MarketMaster
Read-only prediction-market data for Kalshi and Polymarket: modelled fair-value EV edges, cross-venue arbitrage spreads, market snapshots, and large whale…
Community: Submitted by a user or imported; check the owner before granting accessOnlineNo sign-inGlobalFreeRead-only
What it can do
- Mm Edges: Mispriced prediction-market edges (model fair value vs live price), ranked by edge size, across Kalshi and Polymarket.
- Mm Markets: Latest normalized market snapshots across venues (title, YES/NO price, 24h volume, close time).
- Mm Market: A single market's latest snapshot plus any live edges for it.
What data it sees
Do you need an account
No: the server works without sign-in
Read-only prediction-market data for Kalshi and Polymarket: modelled fair-value EV edges, cross-venue arbitrage spreads, market snapshots, and large whale trades. Free tier: 1,000 requests/month.
Server tool list (6)
Raw names from tools/list. Only developers need these.
| mm_edges | Mispriced prediction-market edges (model fair value vs live price), ranked by edge size, across Kalshi and Polymarket. |
| mm_markets | Latest normalized market snapshots across venues (title, YES/NO price, 24h volume, close time). |
| mm_market | A single market's latest snapshot plus any live edges for it. |
| mm_arbitrage | Cross-platform price spreads for matched markets — buy-cheap / sell-dear venue per outcome. Indicative, gross of fees and slippage; not guaranteed arbitrage. |
| mm_whales | Recent large real-money trades (whale fills) across venues, newest first. |
| mm_status | Your API key's tier, rate limits, and current usage. |