fix(server): give Prime Agent scoped browser tools#78

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Merged
rynfar merged 1 commit into from
Aug 25, 2026
Merged

fix(server): give Prime Agent scoped browser tools #78

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34 changes: 34 additions & 0 deletions apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
EnvironmentId,
PrimeAgentSettings,
ProviderDriverKind,
ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
makePrimeAgentAdapter,
parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
assert.equal(rejectedLaunchArgs._tag, "Failure");

const threadId = ThreadId.make("resume/thread");
const mcpSession = {
providerSessionId: "provider-session-prime-acp-test",
threadId,
environmentId: EnvironmentId.make("environment-prime-acp-test"),
providerInstanceId: ProviderInstanceId.make("primeAgent"),
endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
authorizationHeader: "Bearer scoped-secret",
expiresAt: 4_000_000_000_000,
};
yield* Effect.acquireRelease(
Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
() => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
);
const startupWarning = yield* Deferred.make<void>();
const unavailableResources =
yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
.map((line) => JSON.parse(line) as unknown),
),
);
const newSessionEntry = requestEntries.find(
(entry) =>
typeof entry === "object" &&
entry !== null &&
"method" in entry &&
entry.method === "session/new",
);
assert.isDefined(newSessionEntry);
const newSessionParams = (
newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
).params;
assert.deepEqual(newSessionParams?.mcpServers, [
{
name: "t3-code",
type: "http",
url: mcpSession.endpoint,
headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
},
]);
assert.isTrue(
requestEntries.some(
(entry) =>
Expand Down
19 changes: 19 additions & 0 deletions apps/server/src/provider/Layers/PrimeAgentAdapter.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
ProviderAdapterProcessError,
ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
provider: PROVIDER,
threadId: input.threadId,
});
const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
const acp = yield* makePrimeAgentAcpRuntime({
primeAgentSettings,
...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
sessionDir,
continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
model,
...(mcpSession === undefined
? {}
: {
mcpServers: [
{
type: "http" as const,
name: "t3-code",
url: mcpSession.endpoint,
headers: [
{
name: "Authorization",
value: mcpSession.authorizationHeader,
},
],
},
],
}),
clientInfo: { name: "pylon", version: "0.0.0" },
observeSessionUpdate: (notification) => {
const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down
144 changes: 120 additions & 24 deletions apps/server/src/provider/Layers/ProviderService.test.ts
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
ApprovalRequestId,
EnvironmentId,
EventId,
ProviderDriverKind,
ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
makeSqlitePersistenceLive,
SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
const revokedThreads: Array<ThreadId> = [];

const makeAgentBrowserProviderLayer = (
enableAgentBrowserAccess: boolean,
codex: ReturnType<typeof makeFakeCodexAdapter>,
options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
) => {
const providerAdapterLayer = Layer.succeed(
ProviderAdapterRegistry.ProviderAdapterRegistry,
makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
);
const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
Layer.provide(SqlitePersistenceMemory),
);
const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
return makeProviderServiceLive(options).pipe(
Layer.provide(providerAdapterLayer),
Layer.provide(directoryLayer),
Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
Layer.provide(serverConfigTestLayer),
Layer.provide(AnalyticsService.layerTest),
Layer.provide(
Layer.succeed(
ProviderEventLoggers.ProviderEventLoggers,
ProviderEventLoggers.NoOpProviderEventLoggers,
),
),
);
};

const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
Effect.gen(function* () {
const issued: Array<ThreadId> = [];
const codex = makeFakeCodexAdapter();
const providerAdapterLayer = Layer.succeed(
ProviderAdapterRegistry.ProviderAdapterRegistry,
makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
);
const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
Layer.provide(SqlitePersistenceMemory),
);
const directoryLayer = ProviderSessionDirectoryLive.pipe(
Layer.provide(runtimeRepositoryLayer),
);
const providerLayer = makeProviderServiceLive({
const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
issueMcpCredential: (request) =>
Effect.sync(() => {
issued.push(request.threadId);
return undefined;
}),
revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
}).pipe(
Layer.provide(providerAdapterLayer),
Layer.provide(directoryLayer),
Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
Layer.provide(serverConfigTestLayer),
Layer.provide(AnalyticsService.layerTest),
Layer.provide(
Layer.succeed(
ProviderEventLoggers.ProviderEventLoggers,
ProviderEventLoggers.NoOpProviderEventLoggers,
),
),
);
});

yield* Effect.gen(function* () {
const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
return issued;
});

const issuedBrowserCredential = (threadId: ThreadId) => ({
config: {
environmentId: EnvironmentId.make("environment-browser-test"),
threadId,
providerSessionId: `provider-session-${threadId}`,
providerInstanceId: codexInstanceId,
endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
authorizationHeader: "Bearer scoped-secret",
},
});

// Credential issuance is the observable that matters: it is the only place a
// credential is minted, and `/mcp` accepts nothing else, so withholding it is
// what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
assert.deepEqual(issued, [threadId]);
}).pipe(Effect.provide(NodeServices.layer)),
);

it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
Effect.gen(function* () {
const threadId = asThreadId("thread-browser-terminal");
const codex = makeFakeCodexAdapter();
const revoked = yield* Deferred.make<ThreadId>();
const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
revokeMcpCredential: (revokedThreadId) =>
Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
});

yield* Effect.gen(function* () {
const provider = yield* ProviderService.ProviderService;
yield* provider.startSession(threadId, {
provider: CODEX_DRIVER,
providerInstanceId: codexInstanceId,
threadId,
runtimeMode: "full-access",
});
assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
yield* codex.stopSession(threadId);
yield* Effect.yieldNow;
codex.emit({
type: "session.exited",
eventId: asEventId("evt-browser-terminal"),
provider: CODEX_DRIVER,
createdAt: "2026-01-01T00:00:00.000Z",
threadId,
payload: { exitKind: "error" },
});

assert.equal(yield* Deferred.await(revoked), threadId);
assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
}).pipe(Effect.provide(providerLayer));
}).pipe(Effect.provide(NodeServices.layer)),
);

it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
Effect.gen(function* () {
const threadId = asThreadId("thread-browser-stop-failure");
const codex = makeFakeCodexAdapter();
const revoked = yield* Deferred.make<ThreadId>();
codex.stopSession.mockImplementationOnce(() =>
Effect.fail(
new ProviderAdapterRequestError({
provider: CODEX_DRIVER,
method: "stopSession",
detail: "synthetic stop failure",
}),
),
);
const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
revokeMcpCredential: (revokedThreadId) =>
Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
});

yield* Effect.gen(function* () {
const provider = yield* ProviderService.ProviderService;
yield* provider.startSession(threadId, {
provider: CODEX_DRIVER,
providerInstanceId: codexInstanceId,
threadId,
runtimeMode: "full-access",
});
assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

assert.equal(stopped._tag, "Failure");
assert.equal(yield* Deferred.await(revoked), threadId);
assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
}).pipe(Effect.provide(providerLayer));
}).pipe(Effect.provide(NodeServices.layer)),
);
});
Loading
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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fix(server): give Prime Agent scoped browser tools#78

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to your account

 Merged

rynfar
merged 1 commit into

from

Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(server): give Prime Agent scoped browser tools#78

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 Merged

rynfar
merged 1 commit into

from

Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

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Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

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Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(server): give Prime Agent scoped browser tools#78

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 Merged

rynfar
merged 1 commit into

from

Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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fix(server): give Prime Agent scoped browser tools#78

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rynfar
merged 1 commit into

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Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
fix(server): give Prime Agent scoped browser tools#78

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

rynfar
merged 1 commit into

from

Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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fix(server): give Prime Agent scoped browser tools#78

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rynfar
merged 1 commit into

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Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
Loading
Loading

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
fix(server): give Prime Agent scoped browser tools#78

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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 Merged

rynfar
merged 1 commit into

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Aug 25, 2026
 Merged


fix(server): give Prime Agent scoped browser tools
#78
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34 changes: 34 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import * as Schema from "effect/Schema";
import * as Stream from "effect/Stream";

import {
 EnvironmentId,
 PrimeAgentSettings,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -25,6 +26,7 @@ import {
} from "@t3tools/contracts";

import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makePrimeAgentAdapter,
 parsePrimeAgentResumeMarker,
Expand DownExpand Up@@ -126,6 +128,19 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 assert.equal(rejectedLaunchArgs._tag, "Failure");

 const threadId = ThreadId.make("resume/thread");
 const mcpSession = {
 providerSessionId: "provider-session-prime-acp-test",
 threadId,
 environmentId: EnvironmentId.make("environment-prime-acp-test"),
 providerInstanceId: ProviderInstanceId.make("primeAgent"),
 endpoint: "http://127.0.0.1:4321/mcp/provider-session-prime-acp-test",
 authorizationHeader: "Bearer scoped-secret",
 expiresAt: 4_000_000_000_000,
 };
 yield* Effect.acquireRelease(
 Effect.sync(() => McpProviderSession.setMcpProviderSession(mcpSession)),
 () => Effect.sync(() => McpProviderSession.clearMcpProviderSession(threadId)),
 );
 const startupWarning = yield* Deferred.make<void>();
 const unavailableResources =
 yield* Deferred.make<
Expand DownExpand Up@@ -316,6 +331,25 @@ exec ${process.execPath} ${mockAgentPath} "$@"
 .map((line) => JSON.parse(line) as unknown),
 ),
 );
 const newSessionEntry = requestEntries.find(
 (entry) =>
 typeof entry === "object" &&
 entry !== null &&
 "method" in entry &&
 entry.method === "session/new",
 );
 assert.isDefined(newSessionEntry);
 const newSessionParams = (
 newSessionEntry as { readonly params?: { readonly mcpServers?: unknown } }
 ).params;
 assert.deepEqual(newSessionParams?.mcpServers, [
 {
 name: "t3-code",
 type: "http",
 url: mcpSession.endpoint,
 headers: [{ name: "Authorization", value: mcpSession.authorizationHeader }],
 },
 ]);
 assert.isTrue(
 requestEntries.some(
 (entry) =>
Expand Down

19 changes: 19 additions & 0 deletions
apps/server/src/provider/Layers/PrimeAgentAdapter.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -27,6 +27,7 @@ import type * as EffectAcpSchema from "effect-acp/schema";

import { resolveAttachmentPath } from "../../attachmentStore.ts";
import { ServerConfig } from "../../config.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 ProviderAdapterProcessError,
 ProviderAdapterRequestError,
Expand DownExpand Up@@ -518,6 +519,7 @@ export function makePrimeAgentAdapter(
 provider: PROVIDER,
 threadId: input.threadId,
 });
 const mcpSession = McpProviderSession.readMcpProviderSession(input.threadId);
 const acp = yield* makePrimeAgentAcpRuntime({
 primeAgentSettings,
 ...(options?.environment ? { environment: options.environment } : {}),
Expand All@@ -526,6 +528,23 @@ export function makePrimeAgentAdapter(
 sessionDir,
 continueSession: parsePrimeAgentResumeMarker(input.resumeCursor),
 model,
 ...(mcpSession === undefined
 ? {}
 : {
 mcpServers: [
 {
 type: "http" as const,
 name: "t3-code",
 url: mcpSession.endpoint,
 headers: [
 {
 name: "Authorization",
 value: mcpSession.authorizationHeader,
 },
 ],
 },
 ],
 }),
 clientInfo: { name: "pylon", version: "0.0.0" },
 observeSessionUpdate: (notification) => {
 const update = parsePrimeAgentAcpTerminalUpdate(notification);
Expand Down

144 changes: 120 additions & 24 deletions
apps/server/src/provider/Layers/ProviderService.test.ts

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -16,6 +16,7 @@ import type {
} from "@t3tools/contracts";
import {
 ApprovalRequestId,
 EnvironmentId,
 EventId,
 ProviderDriverKind,
 ProviderInstanceId,
Expand All@@ -29,6 +30,7 @@ import {
import { createModelSelection } from "@t3tools/shared/model";
import { it, assert, describe, vi } from "@effect/vitest";

import * as Deferred from "effect/Deferred";
import * as Effect from "effect/Effect";
import * as Exit from "effect/Exit";
import * as Fiber from "effect/Fiber";
Expand DownExpand Up@@ -59,6 +61,7 @@ import * as ProviderEventLoggers from "./ProviderEventLoggers.ts";
import { ProviderSessionDirectoryLive } from "./ProviderSessionDirectory.ts";
import * as NodeServices from "@effect/platform-node/NodeServices";
import * as ProviderSessionRuntime from "../../persistence/ProviderSessionRuntime.ts";
import * as McpProviderSession from "../../mcp/McpProviderSession.ts";
import {
 makeSqlitePersistenceLive,
 SqlitePersistenceMemory,
Expand DownExpand Up@@ -2551,40 +2554,46 @@ validation.layer("ProviderServiceLive validation", (it) => {
describe("agent browser access", () => {
 const revokedThreads: Array<ThreadId> = [];

 const makeAgentBrowserProviderLayer = (
 enableAgentBrowserAccess: boolean,
 codex: ReturnType<typeof makeFakeCodexAdapter>,
 options: NonNullable<Parameters<typeof makeProviderServiceLive>[0]>,
 ) => {
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(Layer.provide(runtimeRepositoryLayer));
 return makeProviderServiceLive(options).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 };

 const startSessionWith = (enableAgentBrowserAccess: boolean, threadId: ThreadId) =>
 Effect.gen(function* () {
 const issued: Array<ThreadId> = [];
 const codex = makeFakeCodexAdapter();
 const providerAdapterLayer = Layer.succeed(
 ProviderAdapterRegistry.ProviderAdapterRegistry,
 makeAdapterRegistryMock({ [CODEX_DRIVER]: codex.adapter }),
 );
 const runtimeRepositoryLayer = ProviderSessionRuntime.layer.pipe(
 Layer.provide(SqlitePersistenceMemory),
 );
 const directoryLayer = ProviderSessionDirectoryLive.pipe(
 Layer.provide(runtimeRepositoryLayer),
 );
 const providerLayer = makeProviderServiceLive({
 const providerLayer = makeAgentBrowserProviderLayer(enableAgentBrowserAccess, codex, {
 issueMcpCredential: (request) =>
 Effect.sync(() => {
 issued.push(request.threadId);
 return undefined;
 }),
 revokeMcpCredential: (revoked) => Effect.sync(() => void revokedThreads.push(revoked)),
 }).pipe(
 Layer.provide(providerAdapterLayer),
 Layer.provide(directoryLayer),
 Layer.provide(ServerSettings.ServerSettingsService.layerTest({ enableAgentBrowserAccess })),
 Layer.provide(serverConfigTestLayer),
 Layer.provide(AnalyticsService.layerTest),
 Layer.provide(
 Layer.succeed(
 ProviderEventLoggers.ProviderEventLoggers,
 ProviderEventLoggers.NoOpProviderEventLoggers,
 ),
 ),
 );
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
Expand All@@ -2599,6 +2608,17 @@ describe("agent browser access", () => {
 return issued;
 });

 const issuedBrowserCredential = (threadId: ThreadId) => ({
 config: {
 environmentId: EnvironmentId.make("environment-browser-test"),
 threadId,
 providerSessionId: `provider-session-${threadId}`,
 providerInstanceId: codexInstanceId,
 endpoint: `http://127.0.0.1:4321/mcp/provider-session-${threadId}`,
 authorizationHeader: "Bearer scoped-secret",
 },
 });

 // Credential issuance is the observable that matters: it is the only place a
 // credential is minted, and `/mcp` accepts nothing else, so withholding it is
 // what actually denies every provider and external MCP client.
Expand DownExpand Up@@ -2633,4 +2653,80 @@ describe("agent browser access", () => {
 assert.deepEqual(issued, [threadId]);
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential when an adapter session exits on its own", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-terminal");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));
 yield* codex.stopSession(threadId);
 yield* Effect.yieldNow;
 codex.emit({
 type: "session.exited",
 eventId: asEventId("evt-browser-terminal"),
 provider: CODEX_DRIVER,
 createdAt: "2026-01-01T00:00:00.000Z",
 threadId,
 payload: { exitKind: "error" },
 });

 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );

 it.effect("revokes the MCP credential even when explicit adapter stop fails", () =>
 Effect.gen(function* () {
 const threadId = asThreadId("thread-browser-stop-failure");
 const codex = makeFakeCodexAdapter();
 const revoked = yield* Deferred.make<ThreadId>();
 codex.stopSession.mockImplementationOnce(() =>
 Effect.fail(
 new ProviderAdapterRequestError({
 provider: CODEX_DRIVER,
 method: "stopSession",
 detail: "synthetic stop failure",
 }),
 ),
 );
 const providerLayer = makeAgentBrowserProviderLayer(true, codex, {
 issueMcpCredential: (request) => Effect.succeed(issuedBrowserCredential(request.threadId)),
 revokeMcpCredential: (revokedThreadId) =>
 Deferred.succeed(revoked, revokedThreadId).pipe(Effect.asVoid),
 });

 yield* Effect.gen(function* () {
 const provider = yield* ProviderService.ProviderService;
 yield* provider.startSession(threadId, {
 provider: CODEX_DRIVER,
 providerInstanceId: codexInstanceId,
 threadId,
 runtimeMode: "full-access",
 });
 assert.isDefined(McpProviderSession.readMcpProviderSession(threadId));

 const stopped = yield* provider.stopSession({ threadId }).pipe(Effect.result);

 assert.equal(stopped._tag, "Failure");
 assert.equal(yield* Deferred.await(revoked), threadId);
 assert.isUndefined(McpProviderSession.readMcpProviderSession(threadId));
 }).pipe(Effect.provide(providerLayer));
 }).pipe(Effect.provide(NodeServices.layer)),
 );
});
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