Gemini in Chrome is about to call WebMCP. The "no agent uses it yet" excuse just got an expiry date.

Short summary

Google announced Gemini in Chrome will support WebMCP APIs, removing the key objection with a mainstream consumer shipping in the default browser. WebMCP implementation requires minimal effort—wrapping existing handlers—with zero risk via feature detection, making it strategically sound for exposing search, checkout, and booking flows to agents. Early instrumentation of tool calls unlocks competitive advantage as agent-driven task completion becomes standard.

• •Gemini in Chrome will support WebMCP APIs—turning theoretical standard into mainstream consumer with hundreds of millions of installs
• •Minimal implementation cost (wrap existing handlers) with zero downside risk via feature detection
• •Early instrumentation of tool calls creates competitive advantage as agent-driven task completion becomes standard

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