WebMCP Registry
The public index for WebMCP tool contracts
WebMCP Registry launched on June 8, 2026 with 2 votes.
What it does
WebMCP is a new W3C standard that lets websites expose structured tools for AI agents via the browser. But there's no way to discover which sites have tools without visiting them directly — the spec authors flagged this themselves. WebMCP Registry fixes that. Submit your domain, verify ownership via DNS, and your tools become searchable via a free public API. The discovery layer the ecosystem needs.
The public index for WebMCP tool contracts. Search registered domains, explore browser-native AI tools, and submit your own.
A public directory of websites that have opened their functionality to AI assistants. Find them, use them, or list your own. A tool is a named action that a website makes available to AI assistants. Instead of an AI having to click through buttons and forms like a human would, the website says: “here are the things you can do here, and here is exactly how to do them.” Add a product to the cart by name or ID — no need to navigate product pages. Create a new task with a title, assignee, and due date in one step. Search available flights by origin, destination, and date and return structured results. Register your website and describe the actions it supports. Takes about two minutes. Prove you…from webmcp-registry.dev
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