KitScout

Categories › Business & Finance › Market data, stocks & crypto

Bellwether

MCP serverVerified domain · bellwether.marketsRemote● LiveFree to try

Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.

Install

Remote server: your requests and data go to api.bellwether.markets. Claude Code: claude mcp add --transport http bellwether https://api.bellwether.markets/mcp · Claude app: Settings → Connectors → Add custom connector.

What it can do

The tools this server listed when we connected to it, in its own words.

  • list_markets — List open prediction markets across Kalshi and Polymarket (normalized).
  • get_market — Get one normalized market. venue is 'kalshi' or 'polymarket'.
  • matching_markets — Find the same real-world event on both venues, with the YES price spread.

KitScout test notes

Not tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.

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