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mcp/harbor
Claude Desktop

bellwether mcp for Claude Desktop

com.bellwethermetrics/bellwether-mcp

Live prediction market data from Polymarket and Kalshi with VWAP pricing and reportability.

client:Claude Desktop transport:stdio runtime:npm

Install bellwether mcp in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json

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{
  "mcpServers": {
    "bellwether-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "bellwether-mcp"
      ],
      "env": {
        "BELLWETHER_API_KEY": "<BELLWETHER_API_KEY>"
      }
    }
  }
}

Settings → Developer → Edit Config opens this file. Restart the app after saving. Claude Desktop docs

bellwether mcp in other clients

bellwether mcp MCP server