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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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this one makes more sense #1624

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response by notgitika · Pull Request #1622 · aws/agentcore-cli · GitHub
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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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notgitika wants to merge 1 commit into
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notgitika:fix/e2e-custom-jwt-regex
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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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notgitika:fix/e2e-custom-jwt-regex

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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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this one makes more sense #1624

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Skip to content

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

Closed
notgitika wants to merge 1 commit into
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notgitika:fix/e2e-custom-jwt-regex
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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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notgitika:fix/e2e-custom-jwt-regex

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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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this one makes more sense #1624

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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this one makes more sense #1624

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
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this one makes more sense #1624

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, 'i'); if (__m === '*' || __re.test(location.href)) { // Auto-enable theater mode on YouTube (function() { function tryTheater() { var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]'); if (btn && !btn.classList.contains('activated')) { btn.click(); } } // Try immediately tryTheater(); // Try after navigation (SPA) var lastUrl = location.href; setInterval(function() { if (location.href !== lastUrl) { lastUrl = location.href; setTimeout(tryTheater, 500); } }, 1000); // Also try on player load var observer = new MutationObserver(tryTheater); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(e2e): broaden CUSTOM_JWT rejection regex to match service response by notgitika · Pull Request #1622 · aws/agentcore-cli · GitHub
Skip to content

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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notgitika:fix/e2e-custom-jwt-regex

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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

@agentcore-devx-automationagentcore-devx-automationBot removed the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@notgitika

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this one makes more sense #1624

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@notgitika@agentcore-cli-automation
, 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' fix(e2e): broaden CUSTOM_JWT rejection regex to match service response by notgitika · Pull Request #1622 · aws/agentcore-cli · GitHub
Skip to content

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

Closed
notgitika wants to merge 1 commit into
aws:mainfrom
notgitika:fix/e2e-custom-jwt-regex
Closed

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
notgitika wants to merge 1 commit into
aws:mainfrom
notgitika:fix/e2e-custom-jwt-regex

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@notgitika

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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

@agentcore-devx-automationagentcore-devx-automationBot removed the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@notgitika

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this one makes more sense #1624

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2 participants

@notgitika@agentcore-cli-automation
, 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); fix(e2e): broaden CUSTOM_JWT rejection regex to match service response by notgitika · Pull Request #1622 · aws/agentcore-cli · GitHub
Skip to content

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response - #1622

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notgitika wants to merge 1 commit into
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notgitika:fix/e2e-custom-jwt-regex
Closed

fix(e2e): broaden CUSTOM_JWT rejection regex to match service response#1622
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notgitika:fix/e2e-custom-jwt-regex

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What

Fixes the harness-custom-jwt.test.ts e2e test that has been failing on mainline since the harness flows were brought into the standard build (PR #1598).

Root Cause

The test deploys a harness with a CUSTOM_JWT authorizer (Cognito), then invokes without an explicit --bearer-token. The CLI auto-attaches a bearer token via the managed OAuth credential. The Cognito access_token lacks a standard aud claim (Cognito uses client_id instead), so the service's HarnessAuthValidator.validateTokenAudience() in YggdrasillDataPlaneService rejects it with:

AgentCore API error (403): {"message":"*** missing required audience claim."}

The test's regex only matched configured for CUSTOM_JWT, authoriz(ation|er).*mismatch, or different.*authorization — none of which match the actual service response.

Fix

Broaden the regex to also accept missing required audience claim. The test's intent (SigV4/invalid-auth is rejected with 403) is unchanged — the exitCode !== 0 assertion still validates the rejection. The negative assertion on line 262 (not.toMatch) remains safe because a successful bearer-token invoke will never contain this message.

Testing

  • Verified the regex matches the actual error from the CI logs
  • The negative assertion (expect(output).not.toMatch(...)) on the bearer-token success path is unaffected since a successful invoke returns the agent response, not an auth error

The harness-custom-jwt e2e test asserts that SigV4 invocations against a
CUSTOM_JWT harness are rejected. The assertion regex did not account for
the actual 403 message returned by the AgentCore service:
"missing required audience claim."
This occurs because the CLI auto-attaches a bearer token (via the
managed OAuth credential) which lacks a standard JWT aud claim — the
Cognito access_token uses client_id instead. The harness's
HarnessAuthValidator.validateTokenAudience() rejects it with this
message rather than the auth-type-mismatch message the regex expected.
Broaden the regex to accept this valid rejection variant. The test's
intent (SigV4/invalid-auth is rejected with 403) remains unchanged.
@notgitika
notgitika requested a review from a teamJune 23, 2026 20:14
@github-actionsgithub-actionsBot added the size/xs PR size: XS label Jun 23, 2026
@github-actionsgithub-actionsBot added the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@agentcore-devx-automationagentcore-devx-automationBot added the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Claude Security Review: no high-confidence findings. (run)

@agentcore-devx-automationagentcore-devx-automationBot removed the claude-security-reviewing Claude Code /security-review in progress label Jun 23, 2026
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Package Tarball

aws-agentcore-0.20.2.tgz

How to install

gh release download pr-1622-tarball --repo aws/agentcore-cli --pattern "*.tgz" --dir /tmp/pr-tarball
npm install -g /tmp/pr-tarball/aws-agentcore-0.20.2.tgz

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LGTM. Targeted one-line regex fix to an e2e test; the root-cause analysis in the PR description matches what I see in the code:

  • The harness test exercises the managed-OAuth path (--client-id/--client-secret on add harness), which causes the CLI to auto-attach a bearer token on the "SigV4-only" invoke. That request reaches the service, which rejects on the audience claim — the existing regex didn't cover that response.
  • The sibling byo-custom-jwt.test.ts patches agentcore.json directly without registering a managed credential, so no token is auto-attached and the rejection happens via a different path that the existing regex already matches. No update needed there.
  • The negative assertion on line 263 (not.toMatch) remains safe — a successful invoke response won't contain "missing required audience claim".

No source/telemetry impact, e2e-test-only change.

@github-actionsgithub-actionsBot removed the agentcore-harness-reviewing AgentCore Harness review in progress label Jun 23, 2026
@notgitika

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this one makes more sense #1624

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