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_edgesMispriced prediction-market edges (model fair value vs live price), ranked by edge size, across Kalshi and Polymarket.
mm_marketsLatest normalized market snapshots across venues (title, YES/NO price, 24h volume, close time).
mm_marketA single market's latest snapshot plus any live edges for it.
mm_arbitrageCross-platform price spreads for matched markets — buy-cheap / sell-dear venue per outcome. Indicative, gross of fees and slippage; not guaranteed arbitrage.
mm_whalesRecent large real-money trades (whale fills) across venues, newest first.
mm_statusYour API key's tier, rate limits, and current usage.
MarketMaster: connect to Claude, ChatGPT, Cursor · Connectors.fun