io.github.tukorama/mcp-server-worldquantbrain
WorldQuant BRAIN (unofficial)
Is the WorldQuant BRAIN (unofficial) MCP server down? It gave no valid answer in the probe of 2026-11-12: crashed on start. One failed probe is not an outage.
Simulate and backtest alphas on WorldQuant BRAIN, browse data fields and operators. Unofficial.
crashed on start no valid answer since 2026-11-12 · probed 2026-11-14 · unchanged since 2026-11-12
MCP error -32000: Connection closed Invalid WQB_ALLOW_SUBMIT: Input should be a valid boolean, unable to interpret input
- Run it
- uvx mcp-server-worldquantbrain@0.2.1 (stdio, probed in a container with the network off)
- Host
- pypi.org
- Repository
- https://github.com/tukorama/mcp-server-worldquantbrain
- Website
- https://pypi.org/project/mcp-server-worldquantbrain/
- Registry
- active, updated 2026-11-11 · 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.
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
- The package did not start as an MCP server at its probe on 2026-11-12. One failed probe is not an outage: the board calls a package down when it fails again at its next probe, a week later.
- The process exited on start before it answered initialize. The error output is above.