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com.topness/callwright

Official registry Media and design

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

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package callwright
Claude Code 
claude mcp add callwright -e 'RETELL_API_KEY=<your retell_api_key>' -e 'MCP_AUTH_TOKEN=<your mcp_auth_token>' -e 'PORT=<PORT>' -e 'CALLWRIGHT_DATA_DIR=<CALLWRIGHT_DATA_DIR>' -e 'CALLWRIGHT_PUBLIC_URL=<CALLWRIGHT_PUBLIC_URL>' -e 'CLAUDE_ROUTINE_URL=<CLAUDE_ROUTINE_URL>' -e 'CLAUDE_ROUTINE_TOKEN=<your claude_routine_token>' -- npx -y callwright@1.0.4
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "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>",
                "PORT": "<PORT>",
                "CALLWRIGHT_DATA_DIR": "<CALLWRIGHT_DATA_DIR>",
                "CALLWRIGHT_PUBLIC_URL": "<CALLWRIGHT_PUBLIC_URL>",
                "CLAUDE_ROUTINE_URL": "<CLAUDE_ROUTINE_URL>",
                "CLAUDE_ROUTINE_TOKEN": "<your claude_routine_token>"
            }
        }
    }
}

Environment variables

  • RETELL_API_KEY required secret Your Retell secret API key (stays server-side)
  • MCP_AUTH_TOKEN secret Bearer token clients must send; required when exposed beyond localhost
  • PORT Port the HTTP MCP server listens on (default 8787)
  • CALLWRIGHT_DATA_DIR Persistent directory for runtime state such as trigger deduplication
  • CALLWRIGHT_PUBLIC_URL Public Callwright base URL used to configure Retell webhook delivery
  • CLAUDE_ROUTINE_URL Optional complete Claude cloud Routine /fire endpoint URL
  • CLAUDE_ROUTINE_TOKEN secret Optional dedicated bearer token for the configured Claude Routine trigger

Frequently asked questions

What is com.topness/callwright?

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

How do I install com.topness/callwright?

It runs on your machine. In Claude Code: claude mcp add callwright -e 'RETELL_API_KEY=<your retell_api_key>' -e 'MCP_AUTH_TOKEN=<your mcp_auth_token>' -e 'PORT=<PORT>' -e 'CALLWRIGHT_DATA_DIR=<CALLWRIGHT_DATA_DIR>' -e 'CALLWRIGHT_PUBLIC_URL=<CALLWRIGHT_PUBLIC_URL>' -e 'CLAUDE_ROUTINE_URL=<CLAUDE_ROUTINE_URL>' -e 'CLAUDE_ROUTINE_TOKEN=<your claude_routine_token>' -- npx -y callwright@1.0.4. For other clients, paste the JSON configuration from this page into their MCP settings.

Does com.topness/callwright need an API key?

Yes. It expects RETELL_API_KEY, MCP_AUTH_TOKEN, CLAUDE_ROUTINE_TOKEN, which you set in its configuration.

Is com.topness/callwright open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains com.topness/callwright?

It is published by topness. AI.tn lists it but does not maintain or endorse it.

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