use-cases/github-code-reviews.md Codex Docs, 2026-04-13 18:37 UTC → 2026-04-16 00:46 UTC

1# Review pull requests faster | Codex use cases1# Review pull requests faster | Codex use cases

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3Codex use cases

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5![](/assets/OpenAI-black-wordmark.svg)

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7![Codex](/assets/OAI_Codex-Lockup_Fallback_Black.svg)

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9Codex use case

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11# Review pull requests faster

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13Catch regressions and potential issues before human review.

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15Difficulty **Easy**

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17Time horizon **5s**

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19Use Codex in GitHub to automatically surface regressions, missing tests, and documentation issues directly on a pull request.

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21## Best for

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23 - Teams that want another review signal before human merge approval

24 - Large codebases for projects in production

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26# Contents

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3[← All use cases](https://developers.openai.com/codex/use-cases)28[← All use cases](https://developers.openai.com/codex/use-cases)

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30Copy page [Export as PDF](https://developers.openai.com/codex/use-cases/github-code-reviews/?export=pdf)

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5Use Codex in GitHub to automatically surface regressions, missing tests, and documentation issues directly on a pull request.32Use Codex in GitHub to automatically surface regressions, missing tests, and documentation issues directly on a pull request.

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7Easy34Easy

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24 Focus the review on risky surfaces such as secrets, auth, and dependency changes.51 Focus the review on risky surfaces such as secrets, auth, and dependency changes.

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53| Skill | Why use it |

54| --- | --- |

55| [Security Best Practices](https://github.com/openai/skills/tree/main/skills/.curated/security-best-practices) | Focus the review on risky surfaces such as secrets, auth, and dependency changes. |

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26## Starter prompt57## Starter prompt

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28@codex review for security regressions, missing tests, and risky behavior changes.59@codex review for security regressions, missing tests, and risky behavior changes.

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61@codex review for security regressions, missing tests, and risky behavior changes.

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30## How to use63## How to use

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32Start by adding Codex code review to your GitHub organization or repository. See [Use Codex in GitHub](https://developers.openai.com/codex/integrations/github) for more details.65Start by adding Codex code review to your GitHub organization or repository. See [Use Codex in GitHub](https://developers.openai.com/codex/integrations/github) for more details.