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Codex CLI is OpenAI's local coding agent, packaged as a terminal command and distributed through installation scripts, npm, GitHub releases, and Homebrew cask.
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Codex CLI is OpenAI's local coding agent, packaged as a terminal command and distributed through installation scripts, npm, GitHub releases, and Homebrew cask.
The official README frames Codex CLI as the local-computer member of the Codex product family, distinct from the editor integrations, desktop app experience, and cloud-based Codex Web. The repository also links to OpenAI's Codex documentation, install/build notes, contributing information, and an open-source fund.
Codex is packaged for several install paths in its official README: shell install scripts for Mac, Linux, and Windows, npm as @openai/codex, Homebrew cask as codex, and downloadable release binaries. The supplied cask facts identify the Homebrew package as cask:codex.
The package-facing workflow is simple: install the executable, run codex, and authenticate with a ChatGPT plan or API key. Configuration lives under ~/.codex/config.toml, and local authentication state is stored under ~/.codex/auth.json according to the existing curation.
For package nerds, Codex is notable because it ships an AI coding agent as a conventional local CLI while also spanning product surfaces: terminal, IDE, desktop app, and cloud. The Homebrew cask packages a fast-moving OpenAI developer tool as a single codex command rather than a traditional library.