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Fetch MCP fails with McpError.__init__() takes 2 positional arguments but 3 were given #5

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0anton opened this issue Jan 8, 2025 · 0 comments

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0anton commented Jan 8, 2025

Concerning: https://github.com/docker/mcp-servers/tree/main/src/fetch

I'm trying to fetch https://github.com/python/mypy/tags

The server fails with the error:

McpError.__init__() takes 2 positional arguments but 3 were given

Repro:

  1. Start server using npx @modelcontextprotocol/inspector uvx mcp-server-fetch
  2. Try to fetch the URL above.
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