Outline an API change for one field
Codex CLI handles this as a draft: Old, new, and who reads it in the snippets I paste. Do not ship the API.
- Steps
- 4
- Cost
- low
- Time
- Forty minutes
Unverified · learn.chatgpt.com · 15 Oct 2026
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Codex CLI builds a feature described as observable behavior, runs the tests you name, and leaves unrelated files alone.
'Make it faster' is not a line Codex can satisfy honestly. 'The export includes a created_at column' is.
The CLI docs are the install source. If the repo has AGENTS.md, the prompt tells Codex to follow it.
The prompt requires a pointer from line to assertion. Missing pointers go back into the session.
You commit. The prompt refuses to commit on its own.
These are editorial labels so you can compare playbooks. They are not measurements.
No. Status is unverified. Paste the prompt, keep the version that worked, and do not treat the time or cost lines as measurements.
The prompt says to follow it when present. Absence is fine. Do not let the agent invent a new project policy file unless you asked for one.
Official documentation URL, checked when this seed was written. The prompt and steps are an original AI Playbook Gems playbook, not a quotation of a customer story, and have not been re-run.
Machine-readable copy: JSON
Codex CLI handles this as a draft: Old, new, and who reads it in the snippets I paste. Do not ship the API.
Unverified · learn.chatgpt.com · 15 Oct 2026
Codex CLI investigates a single red check, patches it, and shows the command output. It does not rewrite the suite to go green.
Unverified · learn.chatgpt.com · 14 Oct 2026
Codex CLI handles this as a draft: Cases, including the one that should fail today. Do not merge.
Unverified · learn.chatgpt.com · 14 Oct 2026