Release / 8 Sep 2026
Chrome DevTools for agents chrome-devtools-mcp-v1.9.0
Choose which directories browser tools may access.
Before you upgrade to chrome-devtools-mcp-v1.9.0 1 to fix
The CLI enables `--allow-unrestricted-paths` by default.
Behavior changed Automate and inspect Chrome from the command line without an MCP client. Affects: Users of the chrome-devtools CLI.
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The default trace buffer is increased to 1.2 GB to match DevTools.
Behavior changed Record browser performance traces and inspect performance insights.
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Chrome WebUI targets are filtered out by default.
Behavior changed Open, select, close and navigate Chrome tabs.
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Supply positive finite viewport dimensions and device-pixel ratio, latitude within -90..90 and longitude within -180..180; invalid values are rejected.
Action required Test pages with CPU throttling, network throttling and different viewport sizes. Affects: Callers supplying invalid viewport or geolocation values.
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What changed in chrome-devtools-mcp-v1.9.0
Explicit filesystem roots and JavaScript restrictions are added; the CLI allows unrestricted paths by default.
Install [email protected] from npm; requires Node.js and Chrome. Optional tools may require flags.
New things you can do
Available in this release.
Added Choose allowed filesystem directories for browser tools.
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Available in this release.
Added Disable JavaScript evaluation tools and script-based navigation in browser automation.
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Fixed and improved
Choose recording frame rate with `--experimental-screencast-fps`.
Improved Record a screencast of a Chrome page.
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Disable DevTools source maps with `--no-source-maps`.
Improved Inspect browser console messages to diagnose page errors.
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`new_page` honors `background` when opening a named isolated context.
Now works Test separate browser sessions with isolated cookies and storage.
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← chrome-devtools-mcp-v1.8.0 All Chrome DevTools for agents releases chrome-devtools-mcp-v1.10.1 → Seeded by
