Bellwether is answering right now. Last checked moments ago. It exposes 3 tools.
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
Nothing serious here today
Today is the operative word: we check Bellwether every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 0 min ago.
claude mcp add prediction-markets --transport http https://api.bellwether.markets/mcphttps://api.bellwether.markets/mcp[mcp_servers.prediction-markets]
url = "https://api.bellwether.markets/mcp"{
"mcpServers": {
"prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}{
"servers": {
"prediction-markets": {
"type": "http",
"url": "https://api.bellwether.markets/mcp"
}
}
}Available tools 3
Read directly from the server with tools/list, grouped by what they act on.
If a tool disappears, we record the date.
get_market
list_markets
matching_markets
Endpoints
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://api.bellwether.markets/mcp | streamable-http | answering | 133 ms | 0 min ago |
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Bellwether — questions
Answers built from our own checks of this server.