io.github.9crusher/mcp-server-kalshi MCP Server

Name: io.github.9crusher/mcp-server-kalshi MCP Server
Author: io.github.9crusher

io.github.9crusher/mcp-server-kalshi

Repository Registry

What is the io.github.9crusher/mcp-server-kalshi MCP server?

MCP server for end-to-end trading on Kalshi prediction markets: discover, research, trade.

How to install io.github.9crusher/mcp-server-kalshi

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

KALSHI_ENV
demo (sandbox) or prod (real money)
KALSHI_API_KEY
secret
Kalshi API key ID; required only for portfolio/order tools
KALSHI_PRIVATE_KEY_PATH
Path to your RSA private key .pem; required for authenticated tools
BASE_URL
Optional explicit REST base override (must include /trade-api/v2)

Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-server-kalshi": {
      "command": "uvx",
      "args": [
        "mcp-server-kalshi"
      ],
      "env": {
        "KALSHI_ENV": "<YOUR_KALSHI_ENV>",
        "KALSHI_API_KEY": "<YOUR_KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<YOUR_KALSHI_PRIVATE_KEY_PATH>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "mcp-server-kalshi": {
      "command": "uvx",
      "args": [
        "mcp-server-kalshi"
      ],
      "env": {
        "KALSHI_ENV": "<YOUR_KALSHI_ENV>",
        "KALSHI_API_KEY": "<YOUR_KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<YOUR_KALSHI_PRIVATE_KEY_PATH>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "mcp-server-kalshi": {
      "command": "uvx",
      "args": [
        "mcp-server-kalshi"
      ],
      "env": {
        "KALSHI_ENV": "<YOUR_KALSHI_ENV>",
        "KALSHI_API_KEY": "<YOUR_KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<YOUR_KALSHI_PRIVATE_KEY_PATH>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "mcp-server-kalshi": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "mcp-server-kalshi"
      ],
      "env": {
        "KALSHI_ENV": "<YOUR_KALSHI_ENV>",
        "KALSHI_API_KEY": "<YOUR_KALSHI_API_KEY>",
        "KALSHI_PRIVATE_KEY_PATH": "<YOUR_KALSHI_PRIVATE_KEY_PATH>",
        "BASE_URL": "<YOUR_BASE_URL>"
      }
    }
  }
}

Claude Code

claude mcp add mcp-server-kalshi --env KALSHI_ENV=<YOUR_KALSHI_ENV> --env KALSHI_API_KEY=<YOUR_KALSHI_API_KEY> --env KALSHI_PRIVATE_KEY_PATH=<YOUR_KALSHI_PRIVATE_KEY_PATH> --env BASE_URL=<YOUR_BASE_URL> -- uvx mcp-server-kalshi