MCP Predictive Market

What it does

Aggregates data from five major prediction market platforms (Manifold, Polymarket, Metaculus, PredictIt, and Kalshi) to allow AI agents to search markets, compare odds, and detect arbitrage opportunities via natural language.

Tools

• search_markets: Search markets across all platforms by keyword
• list_categories: Get available market categories
• browse_category: Browse markets in a specific category
• get_market_odds: Get current odds for a specific market
• compare_platforms: Side-by-side comparison of similar markets
• track_market: Add a market to your watchlist
• get_tracked_markets: View all tracked markets with current prices
• find_arbitrage: Detect price discrepancies between platforms

Installation

{
  "mcpServers": {
    "prediction-market": {
      "command": "uv",
      "args": ["run", "--directory", "/path/to/mcp-predictive-market", "python", "-m", "mcp_predictive_market.server"]
    }
  }
}

Supported hosts

Claude Desktop, Claude Code, Cursor.