Update mcp.mdx

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Timothy Jaeryang Baek
2025-10-14 14:34:51 -05:00
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## ❓ FAQ
**Do you support stdio or SSE transports?**
No. Open WebUI only supports **MCP via Streamable HTTP**.
Native MCP support in Open WebUI is **Streamable HTTP only**. This design choice reflects our architecture: Open WebUI is a **web-based, multi-tenant environment**, not a local desktop process.
Browsers operate within strict **sandboxed and event-driven HTTP constraints**, making long-lived stdio or SSE connections difficult to maintain securely across users and sessions.
If you need to bridge those other MCP transports, check out [**mcpo**](https://github.com/open-webui/mcpo) — an open-source proxy that translates **stdio or SSE-based MCP servers into OpenAPI-compatible endpoints**. It effectively lets you run traditional MCP tools inside Open WebUI without modifying their transport layer.
**Is MCP considered stable here?**
Supported and improving. The broader ecosystem is still evolving; expect occasional breaking changes.