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feat(webmcp): Add experimental tool to list WebMCP tools page exposes#1845

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OrKoN merged 15 commits intoChromeDevTools:mainfrom
beaufortfrancois:webmcp
Apr 16, 2026
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feat(webmcp): Add experimental tool to list WebMCP tools page exposes#1845
OrKoN merged 15 commits intoChromeDevTools:mainfrom
beaufortfrancois:webmcp

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@beaufortfrancois beaufortfrancois commented Apr 10, 2026

image
npx @modelcontextprotocol/inspector node build/src/bin/chrome-devtools-mcp.js --channel=canary --experimentalWebmcp --chrome-arg='--enable-features=WebMCPTesting,DevToolsWebMCPSupport'
image

cc @OrKoN

Comment thread src/tools/ToolDefinition.ts Outdated
Comment thread src/PageCollector.ts Outdated
@beaufortfrancois beaufortfrancois marked this pull request as ready for review April 15, 2026 06:27
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I believe #1845 is now ready for review. I was able to make tests pass locally by using next version of puppeteer.

Comment thread src/tools/pages.ts
Comment thread tests/tools/webmcp.test.ts Outdated
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I think this is the last comment

Comment thread tests/McpResponse.test.ts
@OrKoN OrKoN added this pull request to the merge queue Apr 16, 2026
Merged via the queue into ChromeDevTools:main with commit f97b573 Apr 16, 2026
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wolfib pushed a commit that referenced this pull request Apr 16, 2026
…#1845)

<img width="1305" height="735" alt="image"
src="https://github.com/user-attachments/assets/ea154d81-c1cf-4758-98c2-7dce25d6ad8b"
/>


```
npx @modelcontextprotocol/inspector node build/src/bin/chrome-devtools-mcp.js --channel=canary --experimentalWebmcp --chrome-arg='--enable-features=WebMCPTesting,DevToolsWebMCPSupport'
```

<img width="1728" height="1117" alt="image"
src="https://github.com/user-attachments/assets/133ac10e-7bd3-4eaa-b1e9-25b1283e5761"
/>

cc @OrKoN
OrKoN pushed a commit that referenced this pull request Apr 21, 2026
🤖 I have created a release *beep* *boop*
---


##
[0.22.0](chrome-devtools-mcp-v0.21.0...chrome-devtools-mcp-v0.22.0)
(2026-04-21)


### 🎉 Features

* add update notification to both binaries
([#1783](#1783))
([e01e333](e01e333))
* auto handle dialogs during script evaluation
([#1839](#1839))
([da33cb5](da33cb5))
* ensure extensions for file outputs
([#1867](#1867))
([e7a0d50](e7a0d50))
* experimental click_at(x,y) tool
([#1788](#1788))
([c4f5471](c4f5471))
* support Chrome extensions debugging
([#1922](#1922))
([3ff21cf](3ff21cf))
* support DevTools header redactions as an option
([#1848](#1848))
([5c398c4](5c398c4))
* **webmcp:** Add experimental tool to execute WebMCP tool
([#1873](#1873))
([0aff266](0aff266))
* **webmcp:** Add experimental tool to list WebMCP tools page exposes
([#1845](#1845))
([f97b573](f97b573))


### 🛠️ Fixes

* avoid showing update notification for local builds
([#1889](#1889))
([3f0cf10](3f0cf10)),
closes
[#1886](#1886)
* **cli:** correct WebP MIME type check in handleResponse ('webp' →
'image/webp')
([#1899](#1899))
([e3a5f6b](e3a5f6b)),
closes
[#1898](#1898)
* ignore unmapped PerformanceIssue events
([#1852](#1852))
([ea57e86](ea57e86))
* **network:** trailing data in Network redirect chain
([#1880](#1880))
([2f458c1](2f458c1))
* remove double space in navigate error message
([#1847](#1847))
([429e0ca](429e0ca))


### 📄 Documentation

* clarify tools included into CLI
([#1925](#1925))
([76ab9fa](76ab9fa))
* document network response and request extensions
([#1887](#1887))
([796d6f2](796d6f2))
* fix skill and reference documentation issues
([#1249](#1249))
([9236834](9236834))
* Include Mistral Vibe setup in README
([#1801](#1801))
([582c9e0](582c9e0))
* Rename project and enhance README content
([#1856](#1856))
([c066488](c066488))
* update the README on installing as a VS code agent plugin
([#1796](#1796))
([1b5dcae](1b5dcae))


### 🏗️ Refactor

* move waitForEventsAfterAction to McpPage
([#1780](#1780))
([c7c8f50](c7c8f50))
* use puppeteer Extension API
([#1911](#1911))
([ec895f1](ec895f1))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).
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