Deno serves as a secure Model Context Protocol (MCP) server, empowering AI assistants such as Claude to execute TypeScript and JavaScript code within a controlled Deno environment. It leverages Deno's robust permission system to ensure secure, isolated code execution, offering full TypeScript and JavaScript support. Developers can easily configure permissions at server startup, providing granular control over what the executed code can access. This fast, lightweight, and MCP-compliant server is designed for seamless integration with AI assistants.