Starstruk Logo MarkStarstruk

chrome-devtools-mcp-v1.6.0

diffusionstudio/corechrome-devtools-mcp-v1.6.0Jul 14, 2026by browser-automation-bot

AI Summary

This release focuses on enhancing heap snapshot capabilities, performance improvements in path resolution, and significant refactoring of page management. It also includes updates to Lighthouse and fixes for page ID handling and network request pagination.

Key Highlights

  • Enhanced heap snapshot handling with filtering and object size reporting.
  • Improved performance through concurrent I/O in root path resolution.
  • Refactored page management to keep selected pages open and maintain unique IDs across reconnections.
  • Updated Lighthouse to version 13.4.0.

New Features

  • Add experimentalGcfFormat flag for GCF-encoded tool responses
  • Print object count and total sizes in get_heapsnapshot_details
  • Support --allow-unrestricted-paths configuration
  • Support filter with heap snapshots aggregates
  • Update Lighthouse to 13.4.0

Full Release Notes

## [1.6.0](https://github.com/ChromeDevTools/chrome-devtools-mcp/compare/chrome-devtools-mcp-v1.5.0...chrome-devtools-mcp-v1.6.0) (2026-07-14)


### 🎉 Features

* add experimentalGcfFormat flag for GCF-encoded tool responses ([#2235](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2235)) ([3d21389](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/3d2138945c7d3ee95f95c36680ce7c63d24f672f))
* Print object count and total sizes in get_heapsnapshot_details ([#2325](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2325)) ([15a6b78](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/15a6b789daec20463786ff6d05a8b4d5b058000d))
* support --allow-unrestricted-paths configuration ([#2296](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2296)) ([6e56c02](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/6e56c028cf80ac977c501a94d0958568dea901c2))
* Support filter with heap snapshots aggregates ([#2323](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2323)) ([2812902](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/2812902ba9dca67a320f00983e54d03b741388ce))
* update Lighthouse to 13.4.0 ([#2317](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2317)) ([ffc6060](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/ffc6060acf55c011388c7bfe7adcbcee75d0c479))


### 🛠️ Fixes

* enforce .gz instead of json.gz in performance tools ([#2305](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2305)) ([b06e39b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/b06e39b164f02a30efc58057091436a1329949bd))
* keep a still-open selected page instead of falling back to the first page ([#2328](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2328)) ([c645eee](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c645eee8751ebec9ebaeb18cb01dd11173ef32f2)), closes [#2304](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2304)
* keep page ids unique across browser reconnects ([#2345](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2345)) ([3e8d922](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/3e8d92245c138777b5719e72ac3173dbda0075d7))
* paginate page 0 in list_network_requests and list_console_messages ([#2359](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2359)) ([d0025b3](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/d0025b3908707a5dc1c6c6a82d5d7d9020f3df46))
* release held modifiers when press_key key event fails ([#2347](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2347)) ([78ccb19](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/78ccb193e08137b48cef6f665ad0b3a98c9538da))
* report when the selected page was auto-replaced by the fallback ([#2308](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2308)) ([2c16ac3](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/2c16ac311befd40ef2b0f4ecb27941a5a809c8d3)), closes [#2304](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2304)
* resolve page ids only among listed pages ([#2332](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2332)) ([eb04951](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/eb049513d2724a41083a80db5ed34e7ea1c3c7bc)), closes [#2304](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2304)
* **snapshot:** resolve element ids on the correct snapshot ([#2295](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2295)) ([b703f2c](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/b703f2ce20bbe2ce8af4f0a77e56a6a3e1b9c6d6))
* **telemetry:** resolve enum values through nested schema wrappers ([#2315](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2315)) ([c065fd9](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c065fd90ce0172acf1fd8436e51d4878c7745cdf))
* Wait until daemon is started ([#2327](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2327)) ([ed7e95d](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/ed7e95d3e0fd605cae8515d42e7b781da1e635b2))


### 📄 Documentation

* add Grok Build CLI configuration section ([#2294](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2294)) ([aa4be07](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/aa4be07f7ab09430a601460c3f6cec5deb4c7263))
* update memory leak debugging skill ([#2330](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2330)) ([c1736a0](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c1736a071b8050b3f49dfa7521b5af703948d14a))


### ⚡ Performance

* concurrent I/O in Root Path Resolution ([#2279](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2279)) ([b2c63e6](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/b2c63e644eae3fad6747c1f3d678952fc4d756c0))


### 🏗️ Refactor

* clean up McpContext getters ([#2340](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2340)) ([5b33deb](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/5b33debf1a1c040e24112c146afb573dfcc511d8))
* clean up more of the context interface ([#2335](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2335)) ([9cd734b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/9cd734b0a3c6ab3f1d66549174d5187a3206d997))
* clean up page management ([#2333](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2333)) ([16db01f](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/16db01f79c9b9a1fa0d55226a2193f94d543c943))
* clean up page snapshot generation ([#2348](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2348)) ([68cfce2](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/68cfce2bcb9953d6539aa6d5277e55a75cacd68e))
* make collectors work per page ([#2324](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2324)) ([9bc61b4](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/9bc61b43d6fdb13e775c0fa2d2d3f945475ebc81))
* move and rename files ([#2355](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2355)) ([9c3542b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/9c3542bd74c39e470f8618b51daf251ead7ce913))
* move DevTools universe to McpPage ([#2341](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2341)) ([c006c9b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c006c9ba5e8da4f63401ed83cd9d9ed661bfaa22))
* move remaining McpContext getters ([#2342](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2342)) ([58ba174](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/58ba1742731109a860b9c3ba5a292f7a3b1df3d8))
* remove isolated context getter ([#2336](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2336)) ([8a4ddb3](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/8a4ddb32565b0e4af130e3e9b801269afff0af54))
* Use array instead of Map for idToClassKey ([#2321](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2321)) ([ff53b7b](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/ff53b7bb823cc61ccde0eb6dc235450ff9884d0a))
* use helper for Dialog handle ([#2334](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2334)) ([64005f9](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/64005f924f108a7986d75ff382415da5be5a29d6))
* use response page in formatting ([#2349](https://github.com/ChromeDevTools/chrome-devtools-mcp/issues/2349)) ([c53c1ec](https://github.com/ChromeDevTools/chrome-devtools-mcp/commit/c53c1ec4c9ed58980ab074ba4b59dc31385d263c))