Reusable Codex skills organized by category. Engineering is the first category; additional categories can be added as useful workflows emerge. These are personal adaptations, not official releases or endorsements by their upstream authors.
| Skill | Use it for |
|---|---|
| tdd | Small behavior-first red/green test cycles |
| systematic-debugging | Reproducing failures and establishing their root cause |
| property-based-testing | Testing meaningful rules across generated inputs |
| variant-analysis | Finding other instances of a demonstrated defect |
| security-best-practices | Authorized secure coding and security reviews |
| verification-before-completion | Matching completion claims to verified evidence |
| Skill | Use it for |
|---|---|
| watch | YouTube/local video questions, timestamped summaries and documents from captions and FFmpeg frames/audio |