← MCP Reliability Index / Finance & Data

Bellwether

markets.bellwether/prediction-markets

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

healthy

status

tools exposed

511ms

connect latency

34ef592faa22

schema fingerprint

Tools (3)

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.

Endpoint

https://api.bellwether.markets/mcp
Category: Finance & Data · Last checked: 2026-07-30T14:02:27Z

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How we measure →

What this means. This server responded to the MCP handshake and listed its tools without authentication. The schema fingerprint lets us flag if tool signatures silently change (schema drift) between checks.