Prediction market odds from Polymarket. Active markets, probabilities, volume. x402.
Config is the same across clients — only the file and path differ.
{
"mcpServers": {
"io-github-br0ski777-prediction-markets": {
"command": "<see-readme>",
"args": []
}
}
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Real-time prediction market odds and probabilities from Polymarket and Kalshi. Browse active markets, get detailed odds on specific events, and discover trending bets -- all via x402 micropayments. Merges data from both platforms so agents get the most complete view of market sentiment.
No automated test available for this server. Check the GitHub README for setup instructions.
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Real-time prediction market odds and probabilities from Polymarket and Kalshi. Browse active markets, get detailed odds on specific events, and discover trending bets -- all via x402 micropayments. Merges data from both platforms so agents get the most complete view of market sentiment.
| Endpoint | Price | Description |
|---|---|---|
POST /api/markets | $0.005 | List active prediction markets with odds, volume, categories from both Polymarket and Kalshi |
POST /api/odds | $0.005 | Detailed odds for a specific market (by ID or search query) -- searches both platforms |
POST /api/trending | $0.003 | Top trending markets ranked by volume from both sources |
curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
-H "Content-Type: application/json" \
-d '{"category": "politics", "limit": 5, "sort": "volume"}'
{
"markets": [
{
"id": "0x1234...",
"question": "Will Trump win the 2028 presidential election?",
"outcomes": ["Yes", "No"],
"outcomePrices": { "Yes": 0.42, "No": 0.58 },
"volume": 15420000,
"volume24h": 234000,
"liquidity": 890000,
"endDate": "2028-11-06T00:00:00Z",
"category": "politics",
"active": true,
"source": "polymarket"
},
{
"id": "PRES-2028-DEM",
"question": "Will a Democrat win the 2028 presidential election?",
"outcomes": ["Yes", "No"],
"outcomePrices": { "Yes": 0.55, "No": 0.45 },
"volume": 8200000,
"volume24h": 0,
"liquidity": 0,
"endDate": "2028-11-06T00:00:00Z",
"category": "politics",
"active": true,
"source": "kalshi"
}
],
"count": 5,
"sort": "volume",
"category": "politics",
"source": "polymarket+kalshi"
}
Filter by platform:
curl -X POST https://prediction-markets-production.up.railway.app/api/markets \
-H "Content-Type: application/json" \
-d '{"source": "kalshi", "limit": 5}'
curl -X POST https://prediction-markets-production.up.railway.app/api/odds \
-H "Content-Type: application/json" \
-d '{"query": "bitcoin 100k"}'
{
"id": "0xabcd...",
"question": "Will Bitcoin reach $100k by December 2026?",
"outcomes": ["Yes", "No"],
"outcomePrices": { "Yes": 0.65, "No": 0.35 },
"volume": 8900000,
"volume24h": 120000,
"liquidity": 450000,
"endDate": "2026-12-31T00:00:00Z",
"category": "crypto",
"active": true,
"source": "polymarket",
"matchedFrom": 3
}
curl -X POST https://prediction-markets-production.up.railway.app/api/trending \
-H "Content-Type: application/json" \
-d '{"limit": 5}'
{
"trending": [
{
"id": "0x5678...",
"question": "Will the Fed cut rates in July 2026?",
"probability": 0.73,
"outcomePrices": { "Yes": 0.73, "No": 0.27 },
"volume24h": 890000,
"totalVolume": 12500000,
"category": "politics",
"endDate": "2026-07-31T00:00:00Z",
"active": true,
"source": "polymarket"
},
{
"id": "FED-RATE-JUL26",
"question": "Will the Fed cut rates in July 2026?",
"probability": 0.71,
"outcomePrices": { "Yes": 0.71, "No": 0.29 },
"volume24h": 0,
"totalVolume": 5400000,
"category": "politics",
"endDate": "2026-07-31T00:00:00Z",
"active": true,
"source": "kalshi"
}
],
"count": 5,
"source": "polymarket+kalshi"
}