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feat: agentic browsing in lighthouse#1931

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OrKoN merged 6 commits into
ChromeDevTools:mainfrom
lusayaa:lighthouse-agentic-browsing
May 2, 2026
Merged

feat: agentic browsing in lighthouse#1931
OrKoN merged 6 commits into
ChromeDevTools:mainfrom
lusayaa:lighthouse-agentic-browsing

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@lusayaa

@lusayaa lusayaa commented Apr 22, 2026 •
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OrKoN
OrKoN reviewed Apr 22, 2026
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Comment thread src/third_party/LIGHTHOUSE_MCP_BUNDLE_THIRD_PARTY_NOTICES
OrKoN
OrKoN reviewed Apr 23, 2026
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Comment thread src/tools/lighthouse.ts Outdated
@matthiasrohmer

matthiasrohmer commented Apr 23, 2026 •
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A drive-by nit: this seems to fail when chrome://flags/#enable-webmcp-testing is not Enabled. Could that be? With Antigravity I get Protocol error (WebMCP.enable) if use a out of the box Chrome instance. Might be good to handle this error case, as I assume most people don't have it enabled by default and I am not too sure when it will be.

@OrKoN

OrKoN commented Apr 23, 2026

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Interesting, the test tests/tools/lighthouse.test.ts seems to pass but I guess Lighthouse might be sending WebMCP.enable conditionally.

@lusayaa

lusayaa commented Apr 23, 2026 •
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Ah I suppose that was kind of on purpose to surface an error with the backend. Does the whole lighthouse run fail for you or just the specific WebMCP audits? @matthiasrohmer

@matthiasrohmer

matthiasrohmer commented Apr 23, 2026

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Yep the whole run failed, and the agent just stopped. :)

@OrKoN OrKoN force-pushed the lighthouse-agentic-browsing branch from a4cab75 to 4667438 Compare April 27, 2026 12:06
@OrKoN

OrKoN commented Apr 27, 2026

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I am not able to reproduce the error but I do not get a new category in the results (Chrome Canary, launched via build/src/bin/chrome-devtools-mcp.js --channel=canary --chrome-arg='--enable-features=WebMCPTesting,DevToolsWebMCPSupport'):

Screenshot 2026-04-27 at 14 16 52

@OrKoN

OrKoN commented Apr 27, 2026

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I am not able to reproduce the error but I do not get a new category in the results (Chrome Canary, launched via build/src/bin/chrome-devtools-mcp.js --channel=canary --chrome-arg='--enable-features=WebMCPTesting,DevToolsWebMCPSupport'):

Screenshot 2026-04-27 at 14 16 52

I had a stale build somehow.

@OrKoN

OrKoN commented Apr 27, 2026

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Discussed offline: this PR waits for a follow-up Lighthouse update

@lusayaa lusayaa marked this pull request as ready for review May 1, 2026 19:04
@OrKoN OrKoN enabled auto-merge May 2, 2026 07:20
@OrKoN OrKoN added this pull request to the merge queue May 2, 2026
Merged via the queue into ChromeDevTools:main with commit 5fa2750 May 2, 2026
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@browser-automation-bot browser-automation-bot mentioned this pull request Apr 30, 2026
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pull Bot pushed a commit to Mu-L/chrome-devtools-mcp that referenced this pull request May 4, 2026
@browser-automation-bot
chore(main): release chrome-devtools-mcp 0.24.0 (ChromeDevTools#1944)
2dcd641 
🤖 I have created a release *beep* *boop*
---


##
[0.24.0](ChromeDevTools/chrome-devtools-mcp@chrome-devtools-mcp-v0.23.0...chrome-devtools-mcp-v0.24.0)
(2026-05-02)


### 🎉 Features

* agentic browsing in lighthouse
([ChromeDevTools#1931](ChromeDevTools#1931))
([5fa2750](ChromeDevTools@5fa2750))
* **cli:** generate commands for conditional tools
([ChromeDevTools#1962](ChromeDevTools#1962))
([b2b3e99](ChromeDevTools@b2b3e99))
* group identical consecutive console messages in list_console_messages
([ChromeDevTools#1939](ChromeDevTools#1939))
([dbddb2e](ChromeDevTools@dbddb2e))
* support MCP client roots feature
([ChromeDevTools#1945](ChromeDevTools#1945))
([def53dd](ChromeDevTools@def53dd))


### 🛠️ Fixes

* add proactive tool rejection when dialog is open
([ChromeDevTools#1978](ChromeDevTools#1978))
([6ce254e](ChromeDevTools@6ce254e))
* always allow tmpdir access with client roots
([ChromeDevTools#1984](ChromeDevTools#1984))
([a90378a](ChromeDevTools@a90378a))
* **cli:** re-generate cli correctly
([ChromeDevTools#1969](ChromeDevTools#1969))
([8cbdb8d](ChromeDevTools@8cbdb8d))
* handle errors due to open dialogs during tool calls
([ChromeDevTools#1953](ChromeDevTools#1953))
([06b331f](ChromeDevTools@06b331f))
* note about missing elements should not show in verbose mode
([ChromeDevTools#1950](ChromeDevTools#1950))
([80bee1e](ChromeDevTools@80bee1e))
* **telemetry:** bucketize string length
([ChromeDevTools#1972](ChromeDevTools#1972))
([bf3cb58](ChromeDevTools@bf3cb58))

---
This PR was generated with [Release
Please](https://github.com/googleapis/release-please). See
[documentation](https://github.com/googleapis/release-please#release-please).
@triuzzi triuzzi mentioned this pull request May 7, 2026
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3 participants

@lusayaa @matthiasrohmer @OrKoN