Codex Harness Desktop

Codex Harness Desktop is a standalone application that brings OpenAI Codex into a dedicated desktop environment. It supports parallel multi-session task management, visual diff review, built-in desktop and browser automation, and an ecosystem of skills, plugins, and connectors. The interface requires no command line, offering features like session grouping, AI prompt refinement, context referencing, and real-time model quota synchronization.

Designed for developers and teams, it includes an embedded browser, project tree editor, permission-based sandboxing, and expert team collaboration. The maker indicates it was built with Codex. Additional capabilities span offline voice calls, session backup, terminal integration, and remote bot access via WeChat, Telegram, and other platforms.