feat: support MCP client roots feature#1945
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wolfib
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I realized I might have had a bug in index.ts. PT(another)L. |
wolfib
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Sorry, I realised again that we should treat empty roots differently from undefined roots (rejecting any file access with empty roots). PTAL |
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🤖 I have created a release *beep* *boop* --- ## [0.24.0](ChromeDevTools/chrome-devtools-mcp@chrome-devtools-mcp-v0.23.0...chrome-devtools-mcp-v0.24.0) (2026-05-02) ### 🎉 Features * agentic browsing in lighthouse ([ChromeDevTools#1931](ChromeDevTools#1931)) ([5fa2750](ChromeDevTools@5fa2750)) * **cli:** generate commands for conditional tools ([ChromeDevTools#1962](ChromeDevTools#1962)) ([b2b3e99](ChromeDevTools@b2b3e99)) * group identical consecutive console messages in list_console_messages ([ChromeDevTools#1939](ChromeDevTools#1939)) ([dbddb2e](ChromeDevTools@dbddb2e)) * support MCP client roots feature ([ChromeDevTools#1945](ChromeDevTools#1945)) ([def53dd](ChromeDevTools@def53dd)) ### 🛠️ Fixes * add proactive tool rejection when dialog is open ([ChromeDevTools#1978](ChromeDevTools#1978)) ([6ce254e](ChromeDevTools@6ce254e)) * always allow tmpdir access with client roots ([ChromeDevTools#1984](ChromeDevTools#1984)) ([a90378a](ChromeDevTools@a90378a)) * **cli:** re-generate cli correctly ([ChromeDevTools#1969](ChromeDevTools#1969)) ([8cbdb8d](ChromeDevTools@8cbdb8d)) * handle errors due to open dialogs during tool calls ([ChromeDevTools#1953](ChromeDevTools#1953)) ([06b331f](ChromeDevTools@06b331f)) * note about missing elements should not show in verbose mode ([ChromeDevTools#1950](ChromeDevTools#1950)) ([80bee1e](ChromeDevTools@80bee1e)) * **telemetry:** bucketize string length ([ChromeDevTools#1972](ChromeDevTools#1972)) ([bf3cb58](ChromeDevTools@bf3cb58)) --- This PR was generated with [Release Please](https://github.com/googleapis/release-please). See [documentation](https://github.com/googleapis/release-please#release-please).
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This PR implements https://modelcontextprotocol.io/specification/2025-11-25/client/roots If client specifies roots, all reads and writes to the file system originating in tool calls will denied (including tmp files). The client specified empty list of roots, all filesystem access will be restricted.
Closes #1860