io.github.johnmci/ClaudeSmalltalk

Is the io.github.johnmci/ClaudeSmalltalk MCP server down? Yes. It has given no valid answer since 2026-10-20: crashed on start.

MCP server for AI interaction with live Smalltalk images

crashed on start down since 2026-10-20 · probed 2026-11-14 · unchanged since 2026-10-27

MCP error -32000: Connection closed
AttributeError: 'Server' object has no attribute 'list_tools'
  File "/work/uv/claude-smalltalk/lib/python3.12/site-packages

Run it: uvx claude-smalltalk@1.2.1 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/CorporateSmalltalkConsultingLtd/ClaudeSmalltalk
Registry: active, updated 2026-01-24 · registry entry

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Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

For the publisher

No valid answer since 2026-10-20, in every probe since then.
The process exited on start before it answered initialize. The error output is above.

The cause and the fix, with the code before and after: AttributeError: 'Server' object has no attribute 'list_tools'