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mcp/harbor
Claude Desktop

server for Claude Desktop

ai.callmcp/server

One MCP tool contract for telephony — any call provider, hosted, local, or BYOK.

client:Claude Desktop transport:stdio runtime:npm

Install server in Claude Desktop

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "server": {
      "command": "npx",
      "args": [
        "-y",
        "@callmcp/server"
      ],
      "env": {
        "CALLMCP_CONFIG": "<CALLMCP_CONFIG>",
        "CALLMCP_DEFAULT_DRIVER": "<CALLMCP_DEFAULT_DRIVER>"
      }
    }
  }
}

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

server in other clients

server MCP server