Bellwether is a Model Context Protocol (MCP) server: Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema. In practice that means any MCP-compatible AI assistant can call Bellwether's tools directly — the model decides when to use them in a conversation or agent run.
It's a hosted (remote) server — point your client at https://api.bellwether.markets/mcp and you're connected, with nothing to install locally. The current release is v0.1.0.
Bellwether is listed under AI & Agents on mcp.site and works with any MCP client — Claude Desktop, Claude Code, Cursor, VS Code, Windsurf, Zed and the rest of the ecosystem — using the install snippets below. If you maintain Bellwether for bellwether.markets, claim this listing to verify ownership, earn the Verified badge, and keep the details current.
