# Bellwether MCP server

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

## Links
- Registry page: https://www.getdrio.com/mcp/markets-bellwether-prediction-markets
- Website: https://bellwether.markets

## Install
- Endpoint: https://api.bellwether.markets/mcp
- Auth: Not captured

## Setup notes
- Remote header: X-API-Key (secret)
- Remote endpoint: https://api.bellwether.markets/mcp
- Header: X-API-Key

## Tools
- list_markets - List open prediction markets across Kalshi and Polymarket (normalized). Endpoint: https://api.bellwether.markets/mcp
- get_market - Get one normalized market. venue is 'kalshi' or 'polymarket'. Endpoint: https://api.bellwether.markets/mcp
- matching_markets - Find the same real-world event on both venues, with the YES price spread. Endpoint: https://api.bellwether.markets/mcp

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: markets.bellwether
- Version: 0.1.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Jul 3, 2026
- Source: https://registry.modelcontextprotocol.io