TL;DR
Bellwether is a Model Context Protocol (MCP) server. Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema. Install with: Remote MCP: https://api.bellwether.markets/mcp. It speaks the Model Context Protocol and works with any compatible client (Claude, Cursor, Cline, Windsurf, Warp and more).
Bellwether
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
Install Command
Remote MCP: https://api.bellwether.markets/mcpFrequently Asked Questions
Bellwether is a Model Context Protocol server that Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
You can install it by running the install command: `Remote MCP: https://api.bellwether.markets/mcp`. It then becomes available to any MCP-compatible client such as Claude, Cursor, Cline, Windsurf.
The Bellwether MCP Server is compatible with any client that speaks the Model Context Protocol — including Claude, Cursor, Cline, Windsurf.
Check the project license on its repository before use.
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- Last Updated
- Aug 12, 2026
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Client Compatibility
Speaks the Model Context Protocol — works with any compatible client.