io.github.trickyfalcon/mcp-msdefenderkql

Is the io.github.trickyfalcon/mcp-msdefenderkql MCP server down? Yes. It has given no valid answer since 2026-10-16: crashed on start.

Execute KQL queries against Microsoft Defender Advanced Hunting via natural language.

crashed on start down since 2026-10-16 · probed 2026-11-14 · unchanged since 2026-10-30

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

Run it: uvx mcp-msdefenderkql@1.0.2 (stdio, probed in a container with the network off)
Host: pypi.org
Registry: active, updated 2026-03-16 · registry entry

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Badge for the README

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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A mail when this server changes

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 2026-10-16, 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'