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databutler-stats

https://databutler.dev/api/mcp/stats

answers a handshake

Registry name: io.github.physics-star-cat/databutler-stats
Reports itself as: databutler-stats 1.0.0
Protocol version: 2025-06-18
Transport: streamable-http
HTTP status: 200
Latency: 252 ms
Tools: 6
Checked: 2026-09-06T08:25:29Z

Tools it reports

descriptive_stats
distribution
hypothesis_test
confidence_interval
bayes_update
linear_regression

Check it yourself

curl -s -X POST https://databutler.dev/api/mcp/stats \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-06-18","capabilities":{},"clientInfo":{"name":"you","version":"0"}}}'