WebMCP is a new W3C standard that lets websites expose structured tools for AI agents directly in the browser — no scraping, no brittle DOM automation.
The spec authors listed "Tool discoverability" as an unsolved limitation: agents have no way to know which sites have tools without visiting them directly.
So I built the index.
WebMCP Registry is the public discovery layer for the WebMCP ecosystem:
→ Submit your domain and tool contracts






