Level 3: Verified Implementer — Implement and Verify
About 5 minutes
Target audience: Readers who want Codex to complete a small feature or bug fix with verification
Prerequisites: Read Level 2
Level 3 delegates a small feature or bug fix through targeted verification. The request defines both the implementation and how success will be measured.
Define Completion
Section titled “Define Completion”Display the first three tags on each project card.
Preserve the existing layout, then run the targeted test and type check.
Report changed files, command results, and anything unverified.Completion Standard
Section titled “Completion Standard”- Related implementation and tests are updated together
- Required verification commands are run
- Success, failure, and unverified work are distinguished
- A human can review both the diff and test coverage
Next Level
Section titled “Next Level”If the same rules and commands appear in every request, move to Level 4: Context Engineer — Design Context with AGENTS.md.
Quiz