Prediction Markets API MCP Server

Prediction market odds from Polymarket. Active markets, probabilities, volume. x402.

Local serverstdio

What is the Prediction Markets API MCP Server?

Prediction market odds from Polymarket. Active markets, probabilities, volume. x402.

What you get

Real-time prediction market odds from Polymarket and Kalshi. Active markets, probabilities, volume, categories. The betting intelligence layer agents need for event forecasting. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

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Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

Recorded tools

Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.

ToolWhat it does
question- the market question
outcomePrices- decimal probabilities per outcome (0.72 = 72% implied probability)
volume- total all-time trading volume in USD
liquidity- current depth of the order book in USD
endDate- when the market resolves
categorystring
active- whether the market is currently open for trading
sourcestring
outcomes- array of possible outcomes with their current probabilities
volume24h- trading volume in the last 24 hours in USD
probability- current implied probability for the leading outcome (decimal)
totalVolume- all-time trading volume in USD
priceChange24h- change in probability over the last 24 hours (e.g. +0.05 = probability rose 5%)
prediction_list_markets
prediction_get_market_odds
prediction_trending_markets
limitnumber
sortstring
marketIdstring
querystring

How to install the Prediction Markets API MCP Server

{
  "mcpServers": {
    "prediction-markets": {
      "url": "https://prediction-markets.api.klymax402.com/mcp"
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Example prompts to try

  • “Use Prediction Markets API to prediction list markets.”
  • “Use Prediction Markets API to prediction get market odds.”
  • “Use Prediction Markets API to prediction trending markets.”

Frequently asked questions

Prediction market odds from Polymarket. Active markets, probabilities, volume. x402. Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.