Codex Prompts
Copy-ready codex Prompts for the Codex CLI and API.
Top prompts for Codex Prompts
Codex API scaffolder — REST endpoint from a plain-English spec
Describe your endpoint in plain English and Codex builds the full implementation: route handler, request validation, error responses, and a usage example — no boilerplate writing required.
Codex code explainer and refactor — read, diagnose, rewrite clean
Paste any function and Codex returns a plain-English explanation, a list of specific problems, and a refactored version with notes on every change — so you understand what changed and why.
Codex test suite generator — unit and edge-case tests from your code
Point Codex at any function and it writes the full test suite: happy path, edge cases, error conditions, and the mocks — covering what you'd write manually but in a fraction of the time.
Codex CLI script builder — describe the automation, get the script
Tell Codex what you want to automate in plain English and it writes the complete script — with argument parsing, error handling, progress output, and dry-run mode — ready to run without cleanup.
Codex bug hunter — root cause, not just a patch
Paste the buggy code and the error, and Codex diagnoses the root cause, explains why the obvious fix won't work, and gives you the correct fix with a regression test so the bug can never come back silently.
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