Codex CLI
OpenAI's terminal-first coding agent for inspecting, editing, running and reviewing local repository code, with configurable permissions and scriptable execution.
Overview
OpenAI's terminal-first coding agent for inspecting, editing, running and reviewing local repository code, with configurable permissions and scriptable execution.
Inspects and edits local repositories and runs installed tools · Provides configurable permissions, model choice and review workflow · Runs noninteractive tasks via codex exec and supports skills, plugins and subagents
Coding agents & IDEs · Apache-2.0 CLI
Install for free from the official publisher
Original source & installation instructions
Apache-2.0 covers the CLI repository, not model access or separate cloud/app offerings; review local execution permissions and the chosen access arrangement.