Release / 27 May 2026 / with chrome-devtools-mcp-v1.1.0
Chrome DevTools for agents chrome-devtools-mcp-v1.1.1
Send additional HTTP headers while testing a browser page.
Before you upgrade to chrome-devtools-mcp-v1.1.1 3 to fix
With `--experimental-page-id-routing`, supply `pageId` for page-scoped calls; CLI calls place required `pageId` first.
Action required Route browser actions to explicit page IDs for concurrent sessions. Affects: Clients enabling experimental page-ID routing. Inferred
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Replace `take_memory_snapshot` calls with `take_heapsnapshot`.
Action required Save a JavaScript heap snapshot for memory investigation. Affects: Clients calling take_memory_snapshot. Inferred
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Use `get_heapsnapshot_details`, `get_heapsnapshot_summary`, `get_heapsnapshot_class_nodes` and `get_heapsnapshot_retainers` instead of the older memory names; class lookup now takes `id`, not `uid`.
Action required Inspect heap statistics, class instances and retainers to investigate memory use. Affects: Clients calling experimental memory inspection tools. Inferred
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Server shutdown on stdin EOF or termination signals closes the browser cleanly.
Behavior changed Launch a dedicated Chrome instance or connect to a running debuggable browser.
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What changed in chrome-devtools-mcp-v1.1.1
Emulation adds `extraHttpHeaders`; heap tool names and page-routing call requirements change.
Install [email protected] from npm; requires Node.js and Chrome. Optional tools may require flags.
Fixed and improved
Set `extraHttpHeaders` through `emulate`; CPU throttling also applies to the secondary debugging session.
Improved Test pages with CPU throttling, network throttling and different viewport sizes.
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← chrome-devtools-mcp-v1.0.1 All Chrome DevTools for agents releases chrome-devtools-mcp-v1.2.0 → Seeded by
