Lightweight coding agent that runs in your terminal
$ curl -fsSL https://chatgpt.com/codex/install.sh | sh$ powershell -ExecutionPolicy ByPass -c "irm https://chatgpt.com/codex/install.ps1 | iex"$ npm install -g @openai/codex$ brew install --cask codex
Codex is a specialized, lightweight coding agent designed to run directly in your terminal, providing AI-powered assistance for software engineering tasks.
It streamlines development by handling code editing, debugging, and test execution while allowing for integration into various IDEs and desktop environments.
Recent updates have unified the Codex and ChatGPT ecosystems, offering a professional-grade agent capable of managing multi-step tasks across complex repositories.
Maintain codex? Add this badge to your README: listings that link back are marked verified and ranked first in the directory. It's checked once a day.
[](https://cli.masoko.net/tools/codex/)<a href="https://cli.masoko.net/tools/codex/"><img src="https://cli.masoko.net/badge/codex.svg" alt="codex on The Terminal Index"></a>to comment.
The open source coding agent.
agent multiplexer that lives in your terminal.
mission control for agent skills
Tmux-native orchestrator for AI agent sessions.
The modern API client that lives in your terminal.
Natural-language QA with persistent memory and evidence-gated self-improvement