Kalshi Prediction Markets MCP Server: Install & Setup

Install Kalshi Prediction Markets in Claude Code

PyPI (uv)

Claude Code

claude mcp add kalshi-prediction-markets -e KALSHI_API_KEY_ID=... -- uvx kalshi-mcp-server

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "kalshi-prediction-markets": {
      "command": "uvx",
      "args": [
        "kalshi-mcp-server"
      ],
      "env": {
        "KALSHI_API_KEY_ID": "..."
      }
    }
  }
}

Docker

Claude Code

claude mcp add kalshi-prediction-markets -e KALSHI_API_KEY_ID=... -- docker run -i --rm -e KALSHI_API_KEY_ID ghcr.io/cejor6/kalshi-mcp-server:0.1.8

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "kalshi-prediction-markets": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "-e",
        "KALSHI_API_KEY_ID",
        "ghcr.io/cejor6/kalshi-mcp-server:0.1.8"
      ],
      "env": {
        "KALSHI_API_KEY_ID": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Kalshi Prediction Markets MCP server do?

MCP server for Kalshi prediction markets: native RSA-PSS auth, rate limiting, demo/prod safety.

Is the Kalshi Prediction Markets MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Kalshi Prediction Markets run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Kalshi Prediction Markets to Claude Code?

Run: claude mcp add kalshi-prediction-markets -e KALSHI_API_KEY_ID=... -- uvx kalshi-mcp-server

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