Parlay
Read-only MCP server for live Polymarket, Kalshi, Limitless odds; Manifold sentiment.
Connect it
Settings → Connectors → Add custom connector
URL: https://mcp.parlay.run/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://mcp.parlay.run/mcp{
"mcpServers": {
"parlay": {
"url": "https://mcp.parlay.run/mcp"
}
}
}claude mcp add --transport http parlay https://mcp.parlay.run/mcp{
"servers": {
"parlay": {
"type": "http",
"url": "https://mcp.parlay.run/mcp"
}
}
}6 tools, verified live
search_marketsread-onlySearch live prediction markets and event contracts across Polymarket, Kalshi, Limitless (real-money) and Manifold (sentiment). Use for queries on election odds, political markets, Fed rate decisions, crypto prices, sports outcomes, geopolitics, and other binary markets with crowd-sourced probabilities. Returns unified results with title, current probability, volume, liquidity, expiration, source v
discover_marketsread-onlyBrowse trending, high-volume, fast-moving, or high-disagreement prediction markets across Polymarket, Kalshi, Limitless, and Manifold. Use when the user wants to explore what's happening — "what's hot on Polymarket today", "show me biggest political markets", "what events are ending soon" — rather than search a specific topic. Filter by category and sort by volume, newest, or ending soon.
compare_marketsread-onlyCompare the same event contract across Polymarket, Kalshi, and Limitless side-by-side: probability, liquidity, settlement rules, and venue type. Use when the user wants to know "what's the spread between Polymarket and Kalshi on X" or "which venue has better liquidity for Y". Returns match confidence buckets (high/medium/low) and explains any mismatches. Real-money venues only — Manifold is exclud
scan_discrepanciesread-onlySurface cross-venue price discrepancies between Polymarket, Kalshi, and Limitless as a discovery feed for price discovery and divergence detection. Default threshold is 0.5% spread, below typical round-trip fees — most results are informational, not tradable arbitrage. Raise `min_spread` to 0.03+ for after-fee opportunities. The optional `query` parameter post-filters results by topic keywords on
market_briefread-onlyGenerate a synthesized brief for a topic, combining real-money signals from Polymarket, Kalshi, and Limitless with Manifold community sentiment. Use for analytical queries like "what do markets think about the 2028 election", "odds on a Fed rate cut", or "how is crypto priced for year-end". Returns top markets by volume, cross-venue divergences, venue coverage, and risk flags. For raw market lists
inspect_platformread-onlyInspect a single named venue. Returns available capabilities, market data for the query, and metadata quality flags. Use when the user explicitly names a venue — "show me Polymarket markets on AI", "what's on Kalshi for Q4 inflation", "Manifold markets about geopolitics". For cross-venue queries use `search_markets` or `compare_markets`.
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