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code-review-change-size

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by openai · part of openai/codex

Change size guidance (800 lines)

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🔒 Repo-maintenance skill. It exists to help maintain openai/codex itself — it's only useful if you contribute code to that project.

Change size guidance (800 lines)

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This is the exact playbook injected into your agent when the skill activates — shown here so you can audit it before installing. You don't need to read it to use the skill.

name: code-review-change-size description: Change size guidance (800 lines)

Unless the change is mechanical the total number of changed lines should not exceed 800 lines. For complex logic changes the size should be under 500 lines.

If the change is larger, explain whether it can be split into reviewable stages and identify the smallest coherent stage to land first. Base the staging suggestion on the actual diff, dependencies, and affected call sites.