Give your AI agents real-time
prediction market intelligence.

Give your AI agents product,real-time prediction market intelligence.

Give your AI agents real-time
prediction market intelligence.

The official Model Context Protocol (MCP) server for Assymetrix. Search markets, read current prices and price history, and look up trades across Polymarket, Kalshi and Limitless, from Claude, Cursor and custom agents.

The official Model Context Protocol (MCP) server for Assymetrix. Search markets, read current prices and price history, and look up trades across Polymarket, Kalshi and Limitless, from Claude, Cursor and custom agents.

The official Model Context Protocol (MCP) server for Assymetrix. Search markets, read current prices and price history, and look up trades across Polymarket, Kalshi and Limitless, from Claude, Cursor and custom agents.

$ npx -y @assymetrix/mcp-server

~/assymetrix-agent — zsh

Works with the tools your users already run

Features

What an agent needs to research prediction markets.

What an agent needs to research prediction markets.

What an agent needs to research prediction markets.

Stop maintaining three separate integrations, three auth flows and three schemas. Assymetrix normalizes every prediction market venue into a single canonical interface for your LLM.

Cross-Venue Canonical Schema

Query Polymarket, Kalshi, and Limitless (with HIP-4 and Predict.fun arriving Q4 2026) using one unified schema, one API key, and one integration.

Cross-Venue Canonical Schema

Query Polymarket, Kalshi, and Limitless (with HIP-4 and Predict.fun arriving Q4 2026) using one unified schema, one API key, and one integration.

Sub-Second L2 Orderbooks

Current order book for a market (Developer plan and above): bids, asks, best bid and ask, spread.

Sub-Second L2 Orderbooks

Current order book for a market (Developer plan and above): bids, asks, best bid and ask, spread.

Tick-Level History

Price candles from 1 minute to 1 day and trade-by-trade history for each market, within your plan's history window.

Tick-Level History

Price candles from 1 minute to 1 day and trade-by-trade history for each market, within your plan's history window.

Full Resolution Audit Trail

Resolution status and winning outcome for resolved markets.

Full Resolution Audit Trail

Resolution status and winning outcome for resolved markets.

On-Chain Trade Fills

Trades with price, size, side and, where the venue provides one, a transaction hash.

On-Chain Trade Fills

Trades with price, size, side and, where the venue provides one, a transaction hash.

Zero-Config MCP Deployment

Add one block to your MCP client config with your API key.

Zero-Config MCP Deployment

Add one block to your MCP client config with your API key.

How it works

From API key to your first query in three steps.

From API key to your first query in three steps.

From API key to your first query in three steps.

01

Get Your API Key

Sign up on the Assymetrix Developer Portal. The Free plan gives you 10,000 requests a month, no credit card required.

export ASSYMETRIX_API_KEY="your_key_here"

02

Install or Run via npx

Run the Assymetrix MCP server directly via npx or install it globally in your agent environment.

$ npx -y @assymetrix/mcp-server

03

Connect Your MCP Client

Add this under "mcpServers" in your Claude Desktop or Cursor config, with   your API key. Then ask your agent about any market.

"assymetrix": {     

"command": "npx",     

"args": ["-y", "@assymetrix/mcp-server"],     

"env": { "ASSYMETRIX_API_KEY": "asy_..." }   }

PRICING

Pricing that scales with you.

Pricing that scales with you.

Start free. Upgrade for more requests, a longer history window and more speed. Enterprise: custom volume and a dedicated support channel.

Start free. Upgrade for more requests, a longer history window and more speed. Enterprise: custom volume and a dedicated support channel.

Free

$0

$0

/ month

10,000 requests per rolling 30 days, 1 request a second. Markets, the live market list, current prices, price history and trades. No credit card required.

Pro

$199

$199

/ month

Pro, $199 a month: 7.5 million requests a month, 100 requests a second, no history window limit, current order books, intraday candles, live endpoints.

Enterprise

Custom

No monthly request quota. Custom data delivery,built per contract. A dedicated support channel.

FAQ

Frequently

Frequently

Asked Questions

Asked Questions

Have questions? Our FAQ section has you covered with
quick answers to the most common inquiries.

Have questions? Our FAQ section has you covered with
quick answers to the most common inquiries.

What is an MCP server?

What prediction markets does @assymetrix/mcp-server support?

How do I connect @assymetrix/mcp-server to Claude Desktop or Cursor?

Do I need a paid plan to use the MCP server?

What historical data is available for backtesting?

Which AI apps does it work with?

How do I connect @assymetrix/mcp-server to Claude Desktop or Cursor?

Is there a Claude Code plugin?

How many requests does it use?

What historical data is available for backtesting?

Is my API key safe?

Is it open source?

How fresh is the data?

Do you offer a Partner or Referral program?

Give your agent prediction market data.

Give your agent prediction market data.

Give your agent prediction market data.

Ship your first cross-venue prediction market query in under a minute. Free tier, real venues, no credit card required.

Ship your first cross-venue prediction market query in under a minute. Free tier, real venues, no credit card required.

npm i @assymetrix/mcp-server
npm i @assymetrix/mcp-server