Machfive Cold Email

{
  "mcpServers": {
    "machfive": {
      "url": "https://mcp.machfive.io/mcp/{api_key}",
      "variables": {
        "api_key": {
          "description": "Your MachFive API key",
          "isRequired": true
        }
      }
    }
  }
}