chrome-devtools-mcp-v0.19.0

ChromeDevTools/chrome-devtools-mcpchrome-devtools-mcp-v0.19.0Mar 5, 2026by browser-automation-bot

AI Summary

A major release introducing parallel multi-agent workflow support via pageId routing, Lighthouse audits integration, and significant refactoring to improve type safety and code organization.

Key Highlights

  • Add pageId routing for parallel multi-agent workflows
  • Integrate Lighthouse audits
  • Add skill which helps with onboarding of the mcp server
  • Refactor to consistently use McpPage in tools
  • Improve type safety for page scoped tools

New Features

  • Parallel multi-agent workflow support
  • Lighthouse audits integration
  • Onboarding skill
  • McpPage standardization
  • Type safety improvements
  • Simplified emulation and script tools

Full Release Notes

## [0.19.0](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v0.18.1...chrome-devtools-mcp-v0.19.0) (2026-03-05)


### 🎉 Features

* add pageId routing for parallel multi-agent workflows ([#1022](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1022)) ([caf601a](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/caf601a32832bb87cfac801a6bbeacb87508412f)), closes [#1019](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1019)
* Add skill which helps with onboarding of the mcp server ([#1083](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1083)) ([7273f16](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/7273f16ec08f6d5b46a2693b0ad4d559086ded89))
* integrate Lighthouse audits ([#831](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/831)) ([dfdac26](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/dfdac2648e560d756a8711ad3bb1fa470be8e7c9))


### 🛠️ Fixes

* improve error messages around --auto-connect ([#1075](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1075)) ([bcb852d](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/bcb852dd2e440b0005f4a9ad270a1a7998767907))
* improve tool descriptions ([#965](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/965)) ([bdbbc84](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/bdbbc84c125bdd48f4be48aa476bec0323de611c))
* repair broken markdown and extract snippets in a11y-debugging skill ([#1096](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1096)) ([adac7c5](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/adac7c537ee304f324c5e7284fb363396d1773f5))
* simplify emulation and script tools ([#1073](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1073)) ([e51ba47](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/e51ba4720338951e621585b77efc6a0e07678d99))
* simplify focus state management ([#1063](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1063)) ([f763da2](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/f763da24a10e27605c0a5069853ce7c92974eec2))
* tweak lighthouse description ([#1112](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1112)) ([5538180](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/55381804ae7ffa8a1e5933b621a9b8390b3000ff))


### 📄 Documentation

* Adapt a11y skill to utilize Lighthouse ([#1054](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1054)) ([21634e6](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/21634e660c346e469ae62116b1824538f51567dd))
* add feature release checklist to CONTRIBUTING.md ([#1118](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1118)) ([0378457](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/03784577ffb6e238bcb2d637bff9ad759723ea7b))
* fix typo in README regarding slim mode ([#1093](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1093)) ([92f2c7b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/92f2c7b48b56a6b1d6ac7c9e2f2e92beb26bcf62))


### 🏗️ Refactor

* clean up more of the context getters ([#1062](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1062)) ([9628dab](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/9628dabcb4d39f0b94d152a0fc419e049246a29d))
* consistently use McpPage in tools ([#1057](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1057)) ([302e5a0](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/302e5a04191ba0558e3c79f1486d01d5eb0f6896))
* improve type safety for page scoped tools ([#1051](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1051)) ([5f694c6](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/5f694c60ffd21f8b022554c92b2ad4cbdb457375))
* make cdp resolvers use McpPage ([#1060](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1060)) ([d6c06c5](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/d6c06c56a7b8e4968318adc9fc7c820ace9f5bd9))
* move dialog handling to McpPage ([#1059](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1059)) ([40c241b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/40c241bbfc80d6282953ab325b30a597d3d85ade))
* move server to a separate file ([#1043](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1043)) ([a8bf3e5](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/a8bf3e585682c3126dfd378e9f98b5dc7ab6045d))
* remove page passing via context ([#1061](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1061)) ([4cb5a17](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/4cb5a17b57f57d8a367cd423c960ba122b9952e3))
* set defaults to performance trace tool ([#1090](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1090)) ([dfa9b79](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/dfa9b79a4ecc9e67f5b043f2dd97f6889d1fee0b))
* simplify the response texts ([#1095](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1095)) ([cb0079e](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/cb0079efbbd41874f6913772fe3f2a037e9f5f8f))
* type-cast as internal CdpPage interface ([#1064](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/1064)) ([2d5e4fa](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/2d5e4fa3579650a384ff21c88c2e6b9cda031e1a))