Bellwether is answering right now. Last checked 14 min ago. It exposes 3 tools.
Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.
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.
Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.
claude mcp add prediction-markets --transport http https://api.bellwether.markets/mcp
{
"mcpServers": {
"prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}
[mcp_servers.prediction-markets]
url = "https://api.bellwether.markets/mcp"
{
"mcpServers": {
"prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}
{
"mcpServers": {
"prediction-markets": {
"url": "https://api.bellwether.markets/mcp"
}
}
}
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
| URL | Transport | State | Latency | Checked |
|---|---|---|---|---|
| https://api.bellwether.markets/mcp | streamable-http | answering | 165 ms | 14 min ago |
Live Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades.
Cross-venue prediction markets for AI agents: Polymarket + Kalshi, costed and attributed
market-spread MCP — cross-venue prediction-market landscape scanner.
arb-alerts — persisted Polymarket/Kalshi cross-venue spread alerts.
Live prediction market data from Polymarket and Kalshi with VWAP pricing and reportability.
Cross-venue Polymarket+Kalshi arbitrage: resolution mismatch, void risk & settlement divergence.
Live Kalshi + Polymarket prices, orderbooks, trades, results. Pay per result via Apify.
Real-time Polymarket and Kalshi data, cross-platform arb detection, strategy signals
Answers built from our own checks of this server.