OpenWebUI

Connect the Raffle MCP server to Open WebUI via Admin Settings.

Open WebUI supports MCP servers from version 0.6.31 onwards.

Steps

Go to Admin Settings → External Tools.
Click + (Add Server).
Set Type to MCP (Streamable HTTP) — not OpenAPI.
Enter your MCP URL in the Server URL field.
Set authentication to None.
Click Save. Restart Open WebUI if prompted.

Docker environments

Note

If your Open WebUI instance runs in Docker and the MCP server is on the host machine, use http://host.docker.internal:<port> instead of localhost in the URL.

For full documentation, see the Open WebUI MCP guide →

Other clients

OpenWebUI

Steps

Docker environments

Note

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