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Codex use cases

OpenAI's cloud coding agent, including automatic pull-request reviews. (OpenAI)

CodexSoftware & IT

Ask for a security-focused review on a risky change

Before merging a change to login, payments or file uploads, request a dedicated security review on the pull request and get findings to fix.

Source: OpenAI Codex docs✓ 2026-10-23
CodexSoftware & IT

Get an automatic second review on every pull request

Comment @codex review on a GitHub pull request, or switch on automatic reviews; the agent reads the diff, follows your repository's review rules and posts a review focused on serious problems.

Source: OpenAI Codex docs✓ 2026-10-23

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