io.github.zaeyasa/gwas-mcp

GWAS Bioinformatics MCP Server

Is the GWAS Bioinformatics MCP server down? Yes. It has given no valid answer since 2026-10-16: crashed on start.

Access 30+ bioinformatics tools from 14 databases.

crashed on start down since 2026-10-16 · probed 2026-11-15 · unchanged since 2026-10-30

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

Run it: uvx gwas-mcp@1.0.2 (stdio, probed in a container with the network off)
Host: pypi.org
Repository: https://github.com/zaeyasa/gwas-mcp
Registry: active, updated 2026-02-09 · registry entry
Changes: 2 recorded, reachable in 0 of them. A row is added when the result, the tool count or the cost changes.

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History

We add a row when the result changes. A server with no change keeps its last row.

Probed	Result	Init	Tools	Claude	o200k
2026-10-30 07:53	crashed on start
2026-10-16 06:31	install failed

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.

Atom feed

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'