CF-Incidents Browser Run - Browser Run adds WebMCP to Kitesurf and moves to document.modelContext

[ENF News Bot]

WebMCP now works in Kitesurf sessions as well as Lab sessions. Both backends use the document.modelContext API from the WebMCP Community Group draft ↗︎. Lab sessions no longer expose navigator.modelContextTesting.

To list and run page tools:

• Chrome DevTools: Use the Application > WebMCP panel in the live view of a Lab session or in the Kitesurf playground ↗︎.
• AI agents: Start Chrome DevTools MCP with the --category-experimental-webmcp flag to add the list_webmcp_tools and execute_webmcp_tool tools.
• CDP clients: Use the WebMCP CDP domain.

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