Headless Editor provides a language-agnostic, headless code editing environment that uses the Language Server Protocol (LSP) for rich code intelligence and the Model Context Protocol (MCP) for AI-assisted code manipulation. It offers secure file system operations, session-based editing, and supports TypeScript/JavaScript with advanced analysis features. Its architecture includes an LSP Manager, Document Manager, Session Manager, Edit Operation Manager, and File System Manager, ensuring robust and secure code editing workflows.