Codex CLI: open-source dev tools | Signal Check (@SignalCheckRae)

What it does

Codex CLI is OpenAI's open-source coding agent for the terminal. It reads your code, makes edits and runs commands in a sandbox, asking before risky steps.

Good for: Developers using OpenAI models who want a local coding agent.

Codex CLI on GitHub (opens in a new tab)

Useful?

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The signals we checked

Licence: Apache-2.0 (OSI-approved open-source licence)
Popularity: Stars: 129,440 (checked 16 Oct 2026)
Last commit: 16 Oct 2026
Open issues and PRs: 22,839
Status: Active (not archived)
Self-host: Easynpm or Homebrew install; needs an OpenAI account or API key.

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No affiliate links on this page, and we are not paid by this project. The summary is our own plain-English description; check the repo for current features before you rely on it.

Stars, licences and commit dates come from the GitHub API, checked 16 Oct 2026. "Last commit" is the last push to the repo. Star counts are a rough popularity signal, not a quality score. There are no affiliate links in this section: links go straight to each project.