com.topness/callwright

Self-hosted MCP voice agent that places phone calls on your behalf via Retell.

Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "callwright": {
      "command": "npx",
      "args": [
        "-y",
        "callwright@1.0.4"
      ],
      "env": {
        "RETELL_API_KEY": "<your RETELL_API_KEY>",
        "MCP_AUTH_TOKEN": "<your MCP_AUTH_TOKEN>",
        "CLAUDE_ROUTINE_TOKEN": "<your CLAUDE_ROUTINE_TOKEN>"
      }
    }
  }
}

Environment variables

RETELL_API_KEYrequiredsecretYour Retell secret API key (stays server-side)
MCP_AUTH_TOKENsecretBearer token clients must send; required when exposed beyond localhost
CLAUDE_ROUTINE_TOKENsecretOptional dedicated bearer token for the configured Claude Routine trigger

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category: AI & ML
Version: 1.0.4
Registry: active
Published: 7/12/2026

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