Add server conformance testing - #1375

Merged
pcarleton merged 4 commits into
mainfrom
server-conformance-tests
Jan 13, 2026
Merged

Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom
server-conformance-tests

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@pcarleton

@pcarletonpcarleton commented Jan 12, 2026

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Summary

Adds server conformance testing alongside the existing client conformance tests.

Changes

  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:
    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies

Test Results

@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton requested a review from a team as a code ownerJanuary 12, 2026 18:45
@changeset-bot

changeset-botBot commented Jan 12, 2026•
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⚠️ No Changeset found

Latest commit: 8856303

Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.

This PR includes no changesets

When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types

Click here to learn what changesets are, and how to add one.

Click here if you're a maintainer who wants to add a changeset to this PR

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npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303

github-advanced-security[bot]
github-advanced-securityAI found potential problems Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
cors({
origin: '*',

Check warning

Code scanning / CodeQL

Permissive CORS configuration Medium

CORS Origin allows broad access due to
permissive or user controlled value
Loading
.
@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton mentioned this pull request Jan 13, 2026
Closed
@pcarleton
pcarletonforce-pushed the server-conformance-tests branch from b739add to 8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton enabled auto-merge (squash) January 13, 2026 12:22
felixweinberger
felixweinberger approved these changes Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/

@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.

E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)

@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.

Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
* MCP Conformance Test Server

@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm

@pcarleton
pcarleton merged commit 0073ab2 into mainJan 13, 2026
21 of 22 checks passed
@pcarleton
pcarleton deleted the server-conformance-tests branch January 13, 2026 17:09
mozmo15 pushed a commit to mozmo15/typescript-sdk that referenced this pull request Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

Assignees

@pcarletonpcarleton

@felixweinbergerfelixweinberger

Labels

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Projects

Conformance: SDK Tiering Kickoff
Status: Done

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Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security
, '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" + '

Skip to content
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

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Member
Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
commented
Jan 12, 2026•

edited

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@pkg-pr-new
pkg-pr-newBot
commented
Jan 12, 2026•

edited

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Open in StackBlitz
npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
pcarletonforce-pushed
the
server-conformance-tests
branch
from
b739add to
8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

Assignees

@pcarletonpcarleton
@felixweinbergerfelixweinberger

Labels


None yet


Projects

Conformance: SDK Tiering Kickoff

Status: Done


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security

, '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
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

Copy link


Copy Markdown

Member
Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
commented
Jan 12, 2026•

edited

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@pkg-pr-new
pkg-pr-newBot
commented
Jan 12, 2026•

edited

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Open in StackBlitz
npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
pcarletonforce-pushed
the
server-conformance-tests
branch
from
b739add to
8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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MemberAuthor
Choose a reason for hiding this comment

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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Choose a reason for hiding this comment

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
Sign up for freeto join this conversation on GitHub.
Already have an account?
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

Assignees

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@felixweinbergerfelixweinberger

Labels


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Projects

Conformance: SDK Tiering Kickoff

Status: Done


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security

, '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('^' + ".*" + '

Skip to content
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

Copy link


Copy Markdown

Member
Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
commented
Jan 12, 2026•

edited

Loading

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Copy Markdown

⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@pkg-pr-new
pkg-pr-newBot
commented
Jan 12, 2026•

edited

Loading

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Open in StackBlitz
npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
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@pcarleton
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enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
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Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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@pcarleton@felixweinberger@github-advanced-security

, '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" + '

Skip to content
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

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Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
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Jan 12, 2026•

edited

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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Jan 12, 2026•

edited

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npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
pcarletonforce-pushed
the
server-conformance-tests
branch
from
b739add to
8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

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Projects

Conformance: SDK Tiering Kickoff

Status: Done


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No milestone


Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security

, '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
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

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Member
Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
commented
Jan 12, 2026•

edited

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@pkg-pr-new
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Jan 12, 2026•

edited

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npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
pcarletonforce-pushed
the
server-conformance-tests
branch
from
b739add to
8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

Assignees

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@felixweinbergerfelixweinberger

Labels


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Projects

Conformance: SDK Tiering Kickoff

Status: Done


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security

, '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('^' + ".*" + '

Skip to content
Add server conformance testing - #1375
Merged
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Conversation
@pcarleton
@pcarletonpcarleton
commented
Jan 12, 2026

Copy link


Copy Markdown

Member
Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
pcarleton
requested a review
from a team
as a code ownerJanuary 12, 2026 18:45
@changeset-bot
changeset-botBot
commented
Jan 12, 2026•

edited

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
When changesets are added to this PR, you'll see the packages that this PR includes changesets for and the associated semver types
Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
@pkg-pr-new
pkg-pr-newBot
commented
Jan 12, 2026•

edited

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npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
Loading
.

@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
pcarletonforce-pushed
the
server-conformance-tests
branch
from
b739add to
8856303CompareJanuary 13, 2026 10:15
@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
View reviewed changes
Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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MemberAuthor
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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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Reviewers

@felixweinbergerfelixweinbergerfelixweinberger approved these changes

Assignees

@pcarletonpcarleton
@felixweinbergerfelixweinberger

Labels


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Projects

Conformance: SDK Tiering Kickoff

Status: Done


Milestone


No milestone


Development

Successfully merging this pull request may close these issues.

3 participants

@pcarleton@felixweinberger@github-advanced-security

, '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); }
})();
})();

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Add server conformance testing - #1375
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pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
Jan 13, 2026
Merged
Add server conformance testing#1375
pcarleton merged 4 commits into
mainfrom 
server-conformance-tests
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@pcarleton
@pcarletonpcarleton
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Jan 12, 2026

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Summary
Adds server conformance testing alongside the existing client conformance tests.
Changes
  • Move conformance server to src/conformance/everything-server.ts
  • Add scripts/run-server-conformance.sh to start server and run tests
  • Add server conformance scripts to package.json:

    • test:conformance:server - run active server tests
    • test:conformance:server:all - run all server tests
    • test:conformance:all - run both client and server tests
  • Update GitHub Actions workflow with both client and server jobs
  • Add src/conformance/README.md with usage instructions
  • Add express, cors, and @modelcontextprotocol/server to root devDependencies
Test Results
@pcarleton
Add server conformance testing
a173c1d
- Move conformance server to src/conformance/everything-server.ts
- Add scripts/run-server-conformance.sh to start server and run tests
- Add server conformance scripts to package.json
- Update GitHub Actions workflow with both client and server jobs
- Add src/conformance/README.md with usage instructions
- Add express, cors, and @modelcontextprotocol/server to root devDependencies
@pcarleton
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as a code ownerJanuary 12, 2026 18:45
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Jan 12, 2026•

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⚠️ No Changeset found
Latest commit: 8856303
Merging this PR will not cause a version bump for any packages. If these changes should not result in a new version, you're good to go. If these changes should result in a version bump, you need to add a changeset.
This PR includes no changesets
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Click here to learn what changesets are, and how to add one.
Click here if you're a maintainer who wants to add a changeset to this PR
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Jan 12, 2026•

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npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/client@1375

npm i https://pkg.pr.new/modelcontextprotocol/typescript-sdk/@modelcontextprotocol/server@1375

commit: 8856303
github-advanced-security[bot]
github-advanced-securityAI
found potential problems
Jan 12, 2026
View reviewed changes
Comment threadsrc/conformance/everything-server.ts
// Configure CORS to expose Mcp-Session-Id header for browser-based clients
app.use(
 cors({
 origin: '*',

Check warning

Code scanning / CodeQL


Permissive CORS configuration

Medium


CORS Origin allows broad access due to 
 permissive or user controlled value
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@pcarleton
Address code review feedback
025a7e4
- Remove unused Tool type import
- Remove unused JSON_SCHEMA_2020_12_INPUT_SCHEMA constant
(SEP-1613 test is pending - SDK validation supports the fields via PR #1135,
but tool registration doesn't yet support generating raw JSON Schema)
- Remove emoji from console.log
- Alphabetize devDependencies in package.json
@pcarleton
Make server conformance script args more flexible
7a74bc0
Pass through all arguments to conformance CLI instead of just suite name.
This allows passing --scenario, --suite, or any other flags.
@pcarleton
Add test:conformance:server:run script
8856303
Runs the conformance server standalone for debugging.
@pcarletonpcarleton
mentioned this pull request
Jan 13, 2026
 Closed

@pcarleton
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@pcarleton
pcarleton
enabled auto-merge (squash)
January 13, 2026 12:22
felixweinberger
felixweinberger
approved these changes
Jan 13, 2026
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Comment thread.gitignore
.idea/

# Conformance test results
results/
@felixweinbergerfelixweinbergerJan 13, 2026

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nit: this feels slightly odd - it makes sense in the conformance repo because it's obvious what results is there, but here it could be slightly confusing.
E.g. src/conformance/results/ or conformance-results (nit only though, not sure if that might require a bunch of refactors)
@pcarletonpcarletonJan 13, 2026

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yea... let me make an issue. i want to just not output the results by default, we don't use them.
Comment threadsrc/conformance/everything-server.ts
#!/usr/bin/env node

/**
 * MCP Conformance Test Server
@felixweinbergerfelixweinbergerJan 13, 2026

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this file seems to be mostly a copy-paste from the everything-server we previously had in the conformance repo so sgtm
@pcarleton
pcarleton
merged commit 0073ab2
into
mainJan 13, 2026

21 of 22 checks passed

@pcarleton
pcarleton
deleted the

server-conformance-tests

branch
January 13, 2026 17:09
mozmo15 pushed a commit
to mozmo15/typescript-sdk
that referenced
this pull request
Mar 30, 2026
@pcarletonmozmo15
Add server conformance testing (modelcontextprotocol#1375)
42216c6
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@felixweinbergerfelixweinbergerfelixweinberger approved these changes

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