Release /
Chrome DevTools for agents chrome-devtools-mcp-v0.13.0
Save a performance trace for later inspection.
Before you upgrade to chrome-devtools-mcp-v0.13.0
1 to fix
Replace `pageIdx` with `pageId` in `select_page` and `close_page`, using IDs returned by `list_pages`.
Action requiredOpen, select, close and navigate Chrome tabs.Affects: Clients selecting or closing pages by index.Inferred
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What changed in chrome-devtools-mcp-v0.13.0
Performance tools accept `filePath`; page selection and closing switch from indexes to IDs.
Install [email protected] from npm; requires Node.js and Chrome. Optional tools may require flags.
Fixed and improved
Save raw trace data with `filePath` in performance tools.
ImprovedRecord browser performance traces and inspect performance insights.
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Exclude default Chrome launch arguments with `--ignore-default-chrome-arg`.
ImprovedLaunch a dedicated Chrome instance or connect to a running debuggable browser.
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Resize pages when the browser window is maximized or fullscreen.
Now worksTest pages with CPU throttling, network throttling and different viewport sizes.
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Seeded by 
@iluxav with Codex, from the release's public sources. Each change links to its evidence.