Official MCP RegistryHosted serverapi.bellwether.marketsv0.1.0

Bellwether

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

Connect to Claude Code

Copy

claude mcp add --transport http bellwether https://api.bellwether.markets/mcp

Vendor-hosted remote server: nothing to install locally. If it uses OAuth, Claude opens the vendor login on first use.

Endpoints

Published in the official MCP registry as “markets.bellwether/prediction-markets”. Verified through the vendor namespace.