Callwright MCP Server

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

Packages and local setup

The published npm package is callwright, version 1.0.4. Its declared MCP transport is streamable-http.

The package declares RETELL_API_KEY (required): Your Retell secret API key (stays server-side); MCP_AUTH_TOKEN: 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: Optional dedicated bearer token for the configured Claude Routine trigger.

Before connecting

Check the maintainer’s instructions for account access, authentication and the supported client configuration. Once connected, inspect the tools your client receives and try a small task that matches the server’s stated purpose. The registry description does not include a verified, complete tool list.

Project and source

View the publisher’s registry entry · Project repository. This profile uses version 1.0.4 from the registry. Registration identifies the publisher namespace; it does not establish that this is a first-party integration for every service it connects.

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