io.github.andylbrummer/molecular-mcp

Is the io.github.andylbrummer/molecular-mcp MCP server down? Yes. It has given no valid answer since 2026-10-18: crashed on start.

GPU-accelerated MCP server for molecular dynamics, N-body simulations, and particle systems

crashed on start down since 2026-10-18 · probed 2026-11-14 · unchanged since 2026-11-01

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

Run it: uvx scicomp-molecular-mcp@0.1.6 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/andylbrummer/math-mcp
Website: https://andylbrummer.github.io/math-mcp/api/molecular-mcp
Registry: active, updated 2026-01-05 · registry entry

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For the publisher

No valid answer since 2026-10-18, 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'