Parlay
@parlay-run
About Parlay
MCP server for prediction markets — search and compare across Polymarket, Kalshi, Limitless, Manifold
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"parlay": {
"type": "streamable-http",
"url": "https://mcp.parlay.run/mcp"
}
}
}Tools
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Overview
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
FAQ from Parlay
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.
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.
Frequently asked questions
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.
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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