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Error while initializing mcp server on Claude Desktop #34

@pimousse1099

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@pimousse1099

Hi ! I'm trying to install iterm-mcp in order to let Claude desktop access my iTerm2 app.

I installed it using smithery: npx -y @smithery/cli install iterm-mcp --client claude
Everything seems to be ok.

When I open Claude I have multiple errors

Image

Checking the server logs make me say that smithery is returning an un-expected response:
mcp-server-iterm-mcp.log

I think there is multiple "issues" here

  • the code might not check response status before trying to decode it
  • in case of decode errors, I encourage you to systematically print the raw response in order to be able to understand what's going on

I hope that helps !


Claude version: Claude 0.14.10 (fe3f56) 2025-10-28T23:18:23.000Z
Apple MacbookPro M4 Max
MacOS 26.1 (25B78)

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