Skip to content

Framework

MCP Python SDK errors and fixes: 2 guides

Real MCP Python SDK failures, each with the error you'll see, the cause and steps that worked. 0 of 2 fixed upstream. Search within MCP Python SDK.

Workaround: 1

MCP Python SDKWorkaround
Stateless MCP server logs ERROR every time a client disconnects
Two ERROR records appear whenever a client cancels a request, and alerts fire.
Last checked 2026-10-15#error-messages#transport3 steps →

Open: 1

MCP Python SDKOpen
Streamable HTTP client keeps reconnecting past its retry limit
A long-running request never resolves. The client keeps reconnecting.
Last checked 2026-10-15#transport2 steps →

Get 3 fixes every Monday in the Weekly Fix →