Codex CLI
Agent tools Coding agent
OpenAI's lightweight coding agent that runs in your terminal.
Per its own README, as of Oct 30, 2026. Not verified by hand.
Public-signal score
Client compatibility doesn't apply to this project (it is an agent client, framework or specification itself), so the score is computed out of the remaining points.
When a sandbox test is run, the result and logs will appear here, labeled separately from the score.
Quick answers
What is Codex CLI?
OpenAI's lightweight coding agent that runs in your terminal.
Is Codex CLI open source?
GitHub detects the license as Apache-2.0. Check the repository's LICENSE file before relying on that.
Which clients does Codex CLI work with?
Its README names: Cursor, VS Code, Codex, Windsurf. That is not a hands-on compatibility test.
Is Codex CLI actively maintained?
The last push was 2026-10-30 (today), as of Oct 30, 2026.
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