open-webui/mcpo

About

Expose any MCP tool as an OpenAPI-compatible HTTP server—instantly.

mcpo is a dead-simple proxy that takes an MCP server command and makes it accessible via standard RESTful OpenAPI, so your tools "just work" with LLM agents and apps expecting OpenAPI servers.

No custom protocol. No glue code. No hassle.

MCP servers usually speak over raw stdio, which is:

What feels like "one more step" is really fewer steps with better outcomes.

mcpo makes your AI tools usable, secure, and interoperable—right now, with zero hassle.

We recommend using uv for lightning-fast startup and zero config.

To use an SSE-compatible MCP server, simply specify the server type and endpoint:

You can also provide…

Excerpted from github.com/open-webui/mcpo