feat: Add retaining paths MCP tool#2187
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Note that I added this as a separate MCP tool. We've discussed merging them but get_heapsnapshot_retaining_paths only prints paths to the GC roots. But it doesn't print all retainers (=incoming edges) of an object like get_heapsnapshot_retainers does. |
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🤖 I have created a release *beep* *boop* --- ## [1.3.0](ChromeDevTools/chrome-devtools-mcp@chrome-devtools-mcp-v1.2.0...chrome-devtools-mcp-v1.3.0) (2026-06-18) ### 🎉 Features * Add get_heapsnapshot_dominators MCP tool ([ChromeDevTools#2215](ChromeDevTools#2215)) ([08c234e](ChromeDevTools@08c234e)) * Add retaining paths MCP tool ([ChromeDevTools#2187](ChromeDevTools#2187)) ([a97c642](ChromeDevTools@a97c642)) * Add the get_heapsnapshot_edges MCP tool ([ChromeDevTools#2180](ChromeDevTools#2180)) ([4f8eb7a](ChromeDevTools@4f8eb7a)) * include page title in list_pages output ([ChromeDevTools#2166](ChromeDevTools#2166)) ([b646feb](ChromeDevTools@b646feb)) * **screenshot:** add CLI options to cap screenshot size at the source ([ChromeDevTools#1823](ChromeDevTools#1823)) ([55c8a54](ChromeDevTools@55c8a54)) * Use HeapSnapshotProxy.nodeIndexById ([ChromeDevTools#2193](ChromeDevTools#2193)) ([6bd8c91](ChromeDevTools@6bd8c91)) ### 🛠️ Fixes * handle missing third-party tool toolGroup description gracefully ([ChromeDevTools#2224](ChromeDevTools#2224)) ([8fe398e](ChromeDevTools@8fe398e)) * handle screencast file extensions case-insensitively and clean up temp dir on failure ([ChromeDevTools#2207](ChromeDevTools#2207)) ([ba80096](ChromeDevTools@ba80096)) * limit windows test concurrency ([ChromeDevTools#2205](ChromeDevTools#2205)) ([e77101e](ChromeDevTools@e77101e)) * Reset toolGroups before gathering toolGroups ([ChromeDevTools#2200](ChromeDevTools#2200)) ([ed02047](ChromeDevTools@ed02047)) * return error message when screencast_stop is called with no active recording ([ChromeDevTools#2209](ChromeDevTools#2209)) ([9e32002](ChromeDevTools@9e32002)) --- 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 adds the
get_heapsnapshot_retaining_pathsMCP tool. This can be used to find the paths from the target object to the GC roots which keep that object alive.