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chore(webmcp): remove enable/disable and toolsChanged event - #43080
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Pavel Feldman (pavelfeldman) merged 1 commit intoOct 2, 2026
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- please check same-origin iframes
- hasDomain??
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WebMCP.tools() and WebMCP.callTool() query the page on demand instead of tracking registrations. Both browsers go through the page's modelContext, Chromium no longer uses the CDP WebMCP domain.
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Test results for "tests 1"5 flaky52518 passed, 1268 skipped Merge workflow run. |
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Test results for "MCP"8937 passed, 1489 skipped Merge workflow run. |
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Summary
WebMCP.enable(),WebMCP.disable(), thetoolschangedevent andWebMCP.waitForEvent();tools()andcallTool()query the page on demand.modelContext(getTools()plusexecuteTool()/invokeTool()); Chromium no longer uses the CDPWebMCPdomain, and the page-side script no longer wrapsregisterTooland friends.callTool()input and result are serialized likeevaluatearguments and results.dom.modelcontext.testing.enabledin addition todom.modelcontext.enabled.