Which prediction market venues does Parlay cover?
Real-money venues: Polymarket, Kalshi, Limitless. Sentiment-only (architecturally separated): Manifold. Catalog-only: Smarkets, Myriad, Metaculus, Probable, Baozi.
Parlay MCP Server
@parlay-run
关于 Parlay MCP Server
MCP server for prediction markets — search and compare across Polymarket, Kalshi, Limitless, Manifold
Parlay MCP Server 配置
使用下面的配置,将此服务器添加到你的 MCP 客户端。
{
"mcpServers": {
"parlay": {
"type": "streamable-http",
"url": "https://mcp.parlay.run/mcp"
}
}
}Parlay MCP Server 工具
6Search 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 venue, and risk flags. For topic synthesis use `market_brief`; for browsing trending markets use `discover_markets`.
Browse 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 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 excluded because play-money pricing isn't comparable to real-money.
Surface 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 event titles — it does not perform a topic search; for topic-driven retrieval use `discover_markets` or `search_markets`. Pairs with missing volume data on at least one venue are flagged 'volume_unconfirmed'. All results are indicative only — not trade recommendations. Real-money venues only. Orderbook depth is not confirmed in Phase 1.
Generate 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 use `search_markets`.
Inspect 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`.
概览
What is Parlay?
Parlay is a hosted MCP server for searching, comparing, and briefing prediction markets from AI assistants. It is a PMXT-backed aggregator over Polymarket, Kalshi, and Limitless, with Manifold treated separately as a sentiment-only signal. It provides tools that return unified metadata with risk flags and a non-trade-recommendation disclaimer.
How to use Parlay?
Connect via Claude.ai’s Custom Connectors interface by adding the URL https://mcp.parlay.run/mcp and completing OAuth authorization. For JSON-config clients (Cursor, Cline, Claude Code, etc.), generate a personal access token at https://parlay.run/settings/tokens, export PARLAY_TOKEN, then add the server configuration with streamable HTTP transport. Free tier includes 15 tool calls per month; Pro offers 150 calls for $29/month.
Key features of Parlay
- Cross-venue search and comparison of prediction markets
- Synthesized briefs combining real-money signals with community sentiment
- Browse trending, high-volume, fast-moving, or high-disagreement markets
- Surface price discrepancies across venues (informational only)
- Drill into individual venues for detailed analysis
- Read-only design: no order placement or fund custody
Use cases of Parlay
- Search for live prediction markets across Polymarket, Kalshi, and Limitless
- Get a concise brief on a topic with real-money and sentiment signals
- Compare the same event contract side-by-side across venues
- Discover price discrepancies that may indicate market inefficiencies
- Monitor trending or fast-moving contracts without manual polling
常见问题
Can Parlay place trades or manage positions?
No. Parlay is read-only by design. It does not support order placement, position management, or fund custody.
How does Parlay handle user credentials?
Parlay never handles private credentials. It uses OAuth (Claude) or personal access tokens (JSON clients) and does not require users to share venue API keys.
What is Parlay’s pricing?
Free: 15 tool calls per month (search_markets, market_brief). Pro: $29/month, 150 calls. Team: coming soon, 1,500 calls per month.
Why is Manifold treated separately?
Manifold is isolated as a sentiment-only signal. It is mechanically excluded from real-money tools (`compare_markets`, `scan_discrepancies`) and marked with a `sentiment_market_excluded` risk flag when filtered out.
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