#927 · Primary category： AI Agents & Automation
WebMCP
Early WebMCP proposal / implementation - since evolved and worked on by much more capable folks that develop the web: https://github.com/webmachinelearning/webmcp
Project last updated：02/15/26
GitHub Stars
779
Forks
52
Contributors
3
License
MIT
Why we included this project
WebMCP is an early proof of concept that lets a website act as an MCP server, handing tools, resources, and prompts to client-side LLMs without sharing API keys. The author is candid that this predates the official W3C spec, which has since moved to the webmachinelearning/webmcp repository, and that this implementation is not compliant with it. What makes it worth a look is the concrete widget approach: a site owner embeds a small widget, and an end user connects by generating an MCP token and pasting it into the site, with the token discarded after registration. If you are building agent experiences or want your site to be usable by AI assistants, this is a useful reference for how in-browser MCP tool exposure works, and a way to experiment with the widget model before adopting the standardized spec.
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