"author:JDSource" matching MCP servers:

• ClearMarket

  JDSource

  A

  license

  -

  quality

  C

  maintenance

  Reference data layer for prediction markets: resolution-clarity grades (A/B/C), named resolution sources with provenance, cross-venue linking, and per-contract eligibility screens across Kalshi and Polymarket. Open,read-only, no key required.

  Last updated 2026-07-30

  3

  MIT