Analyze prediction markets right from Claude and ChatGPT.
Skip the dashboards. Parlay plugs Polymarket, Kalshi, and Manifold into Claude, ChatGPT, Gemini, OpenClaw and more — so you can compare odds and analyze markets in plain English. Trading lands next.
- Market Discovery
- Live Odds
- Cross-Venue Compare
- MCP-Native
- Trading soon
What do you want to know today?
ParlayWhat is Parlay
Parlay is an MCP server that connects AI assistants to prediction markets. Ask Claude, ChatGPT, Gemini, or any MCP-compatible client to research, compare, and forecast across Polymarket, Kalshi, and Manifold — no dashboards, no learning curve. Typed trading tools land next.
One schema, every venue
Query Polymarket, Kalshi, and Manifold through a consistent tool schema today. Opinion.trade joins the same interface next.
Live market data
Real-time prices, order book depth, and historical trades streamed directly into your assistant's context.
Spot mispriced markets
Compare implied probabilities across venues in a single tool call. Let your agent flag dislocations and explain the spread before capital moves.
Works where your agent works
Built on the open Model Context Protocol. Drop Parlay into Claude, ChatGPT, Gemini, OpenClaw, or any MCP-compatible runtime — no custom glue required.
Works with the tools you already use
Bring prediction markets into your AI chat
Research, compare, and analyze prediction markets from any AI client you already use. Trading lands next.
Ask in English, get answers
“What are the odds on the Fed raising rates next month?” — just ask. Market research, live odds, and cross-venue analysis in seconds.
Every venue, one call
Query Polymarket, Kalshi, and Manifold in a single tool call. Compare prices, dedupe overlapping markets, and surface dislocations automatically.
Trading, safely — coming soon
Typed MCP order tools arrive next. Scoped API keys, explicit confirmation, and per-venue limits are wired in from day one — no silent writes.
Live, not lagged
Stream bid/ask, depth, and history into your agent's context the moment odds move. No stale screenshots. No scraping.
Four steps to analyze prediction markets with your agent
Sign up once, then let Claude, ChatGPT, or any MCP-compatible client do the rest.
Sign up for Parlay
Create your account at parlay.run — takes less than a minute. No local installs, no infrastructure to manage.
Connect your AI client
Add Parlay to Claude, ChatGPT, Gemini, OpenClaw, or any MCP-compatible runtime — a quick URL paste or one-line CLI command, then sign in through your browser.
Ask, compare, forecast
Query markets, stream live odds, and compare venues in natural language. Your agent sees every venue through one schema.
Coming soon: one-click trading
Typed MCP order tools arrive next. Connect scoped venue API keys when it lands — with explicit confirmation on every write.
Built for everyone working with prediction markets
Whether you're comparing odds, calibrating forecasts, or wiring up a new agent, Parlay fits the way you work.
For Traders
Compare odds across venues, spot dislocations, and sharpen your edge before you place a trade. One-click trading lands next.
For Researchers
Pull prices, depth, and history into your assistant's context. Compare venues side-by-side without bespoke scrapers.
For Developers
Wire Parlay's typed MCP tools into your agent stack. Works with Claude, ChatGPT, Gemini, OpenClaw, and any MCP-compatible runtime.
Cheaper than a data feed. Faster than rolling your own.
Start wiring prediction markets into your agents today.
Plus
This includes:
- All supported venues (Polymarket, Kalshi, Manifold — Opinion.trade soon)
- 150 tool calls / month (resets monthly)
- Live odds and order books
- Typed MCP tools
- Email support
Pro
This includes:
- All supported venues (Polymarket, Kalshi, Manifold — Opinion.trade soon)
- 600 tool calls / month (resets monthly)
- Real-time streaming odds
- Cross-venue comparison & alerts
- Historical market data
- Priority email support
Max
This includes:
- All supported venues (Polymarket, Kalshi, Manifold — Opinion.trade soon)
- 3,000 tool calls / month (resets monthly)
- Real-time streaming odds
- Cross-venue comparison & alerts
- Full historical market data
- Priority support (24hr SLA)
- Custom venue requests
Frequently asked questions
Everything you want to know before connecting Parlay to your AI.
Bring prediction markets into your AI stack
Connect Parlay to your AI client and start comparing markets today. Trading arrives next.