chrome-devtools-mcp-v0.12.0

ChromeDevTools/chrome-devtools-mcpchrome-devtools-mcp-v0.12.0Dec 10, 2025by browser-automation-bot

AI Summary

This release introduces support for auto-connecting to an existing Chrome instance and user data directory, enhancing workflow flexibility. It also includes documentation updates regarding accessibility design principles.

Key Highlights

Support for --auto-connect to a Chrome instance
Support for --user-data-dir with --auto-connect
Added AX design principles documentation
Improved autoConnect documentation

New Features

Auto-connect to Chrome instance
User-data-dir support

Full Release Notes

## [0.12.0](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v0.11.0...chrome-devtools-mcp-v0.12.0) (2025-12-09)


### 🎉 Features

* support --auto-connect to a Chrome instance ([#651](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/651)) ([6ab6d85](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/6ab6d85d50226cf12a62563430f552e783f428b2))
* support --user-data-dir with --auto-connect ([#654](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/654)) ([e3c59bc](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/e3c59bcd9c284f3be99cc15e22116b887f04cdab))


### 🛠️ Fixes

* map channel for resolveDefaultUserDataDir ([#658](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/658)) ([6f59b39](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/6f59b3975abda50536f8b890f3245662b22e3657))


### 📄 Documentation

* Add AX design principles ([#643](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/643)) ([90ed192](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/90ed192c558d36faf9f6300be1c1fd5abd464d8a))
* improve autoConnect docs ([#653](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/653)) ([09111cc](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/09111cc16464bed27cd623f3b345d3885db12521))