matchwire.win — Mapped Prediction Markets (Kalshi, Polymarket, Predict.fun)

remote

One row per game, matched across Kalshi, Polymarket US/Intl and Predict.fun. Mapping only.

Getting Started

npx @getmcp/cli add win.matchwire/mapping

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

x-api-key
matchwire.win API key (mw_...). Required: every tool result is narrowed to the key's plan exactly like the HTTP API. Keys are issued at https://matchwire.win/#pricing — plans start at $99/month, 14-day trial on Starter.

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "win.matchwire/mapping": {
      "url": "https://api.matchwire.win/mcp",
      "transport": "streamable-http",
      "headers": {
        "x-api-key": ""
      }
    }
  }
}

Claude Desktop MCP documentation