Bellwether
markets.bellwether/prediction-markets
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-05.
What we measured
| Endpoint | https://api.bellwether.markets/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (989 ms) | our check, 2026-10-05 |
| Protocol version | 2025-11-25 | our check, 2026-10-05 |
| Tools (3) | list_markets, get_market, matching_markets | tools/list, 2026-10-05 |
| Registry version | 0.1.0 · active · updated 2026-07-03 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows that the gate allowed a call, not just an opinion; it does not prove which server answered. How to file one.
Connect
claude mcp add --transport http prediction-markets https://api.bellwether.markets/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name markets.bellwether/prediction-markets.