Documentation 2026-10-11 23:00 UTC to 2026-10-12 23:01 UTC

20Make sure you have:20Make sure you have:

21 21 

22- A GitHub repository connected to Codex. For legacy integration setup, see [Codex Cloud (Legacy)](https://learn.chatgpt.com/docs/environments/cloud-environment).22- A GitHub repository connected to Codex. For legacy integration setup, see [Codex Cloud (Legacy)](https://learn.chatgpt.com/docs/environments/cloud-environment).

23- Access to [Codex code review settings](https://app.chatgpt.com/settings/code-review).23- Access to [Codex code review settings](https://chatgpt.com/settings/code-review).

24- An `AGENTS.md` file if you want Codex to follow repository-specific review guidance.24- An `AGENTS.md` file if you want Codex to follow repository-specific review guidance.

25 25 

26## Set up Codex code review26## Set up Codex code review

29GitHub push or admin permission for its settings.29GitHub push or admin permission for its settings.

30 30 

311. Connect your GitHub repository to Codex.311. Connect your GitHub repository to Codex.

322. Go to [Codex settings](https://app.chatgpt.com/settings/code-review).322. Go to [Codex settings](https://chatgpt.com/settings/code-review).

333. Choose your repository, then turn on **Automatic review** under **Review code**.333. Choose your repository, then turn on **Automatic review** under **Review code**.

34 34 

35 35 

86## Enable automatic reviews86## Enable automatic reviews

87 87 

88To enable automatic reviews for your pull requests, turn on **Automatic review**88To enable automatic reviews for your pull requests, turn on **Automatic review**

89under **Personal preferences** in [Codex settings](https://app.chatgpt.com/settings/code-review).89under **Personal preferences** in [Codex settings](https://chatgpt.com/settings/code-review).

90Choose when reviews run with **Review trigger**. This applies to repositories90Choose when reviews run with **Review trigger**. This applies to repositories

91with code review enabled and doesn't require an `@codex review` comment.91with code review enabled and doesn't require an `@codex review` comment.

92 92 

155Review](https://learn.chatgpt.com/docs/security/security-review).155Review](https://learn.chatgpt.com/docs/security/security-review).

156 156 

1571. Connect your GitHub repository to Codex.1571. Connect your GitHub repository to Codex.

1582. Go to [Codex settings](https://app.chatgpt.com/settings/code-review).1582. Go to [Codex settings](https://chatgpt.com/settings/code-review).

1593. Choose your repository. Under **Review security vulnerabilities**, turn on1593. Choose your repository. Under **Review security vulnerabilities**, turn on

160 **Auto security review** and choose whose pull requests receive reviews with160 **Auto security review** and choose whose pull requests receive reviews with

161 **Review**. Set **Trigger** to **Whenever code review runs** to run it161 **Review**. Set **Trigger** to **Whenever code review runs** to run it

195 195 

196If Codex doesn't react or post a review:196If Codex doesn't react or post a review:

197 197 

198- Confirm you turned on code review for the repository in [Codex settings](https://app.chatgpt.com/settings/code-review).198- Confirm you turned on code review for the repository in [Codex settings](https://chatgpt.com/settings/code-review).

199- Confirm the pull request belongs to a GitHub repository connected to Codex.199- Confirm the pull request belongs to a GitHub repository connected to Codex.

200- Use the exact trigger `@codex review` in a pull request comment.200- Use the exact trigger `@codex review` in a pull request comment.

201- For automatic reviews, check **Automatic review** under the repository201- For automatic reviews, check **Automatic review** under the repository

202 settings and **Personal preferences** in [Codex settings](https://app.chatgpt.com/settings/code-review). Confirm the pull request event matches your review trigger settings.202 settings and **Personal preferences** in [Codex settings](https://chatgpt.com/settings/code-review). Confirm the pull request event matches your review trigger settings.

29 29 

30## Configure Codex Security Review30## Configure Codex Security Review

31 31 

321. Go to [Codex settings](https://app.chatgpt.com/settings/code-review) and choose a repository.321. Go to [Codex settings](https://chatgpt.com/settings/code-review) and choose a repository.

332. Under **Review security vulnerabilities**, turn on **Auto security review**.332. Under **Review security vulnerabilities**, turn on **Auto security review**.

343. Use **Review** to choose which pull requests get Codex Security Review:343. Use **Review** to choose which pull requests get Codex Security Review:

35 - **Follow personal preferences** lets each contributor opt in with their personal35 - **Follow personal preferences** lets each contributor opt in with their personal

7 7 

8 8 

9 9 

10> Illustration: Welcome to Space, with mock documents and animated collaborator cursors. Move your pointer over the illustration to see a cursor labeled You.10> Illustration: ChatGPT Space with pages, collaborative slides, templates, and a shared launch plan. Move your pointer over the illustration to see a cursor labeled You.

11 11 

12 12 

13 13 

14[Open Space in ChatGPT](https://chatgpt.com/space).

15 

14## Workspaces and spaces16## Workspaces and spaces

15 17 

16Your **ChatGPT workspace** is the personal or organization environment you're18Your **ChatGPT workspace** is the personal or organization environment you're

20Make sure you have:20Make sure you have:

21 21 

22- A GitHub repository connected to Codex. For legacy integration setup, see [Codex Cloud (Legacy)](https://learn.chatgpt.com/docs/environments/cloud-environment).22- A GitHub repository connected to Codex. For legacy integration setup, see [Codex Cloud (Legacy)](https://learn.chatgpt.com/docs/environments/cloud-environment).

23- Access to [Codex code review settings](https://app.chatgpt.com/settings/code-review).23- Access to [Codex code review settings](https://chatgpt.com/settings/code-review).

24- An `AGENTS.md` file if you want Codex to follow repository-specific review guidance.24- An `AGENTS.md` file if you want Codex to follow repository-specific review guidance.

25 25 

26## Set up Codex code review26## Set up Codex code review

29GitHub push or admin permission for its settings.29GitHub push or admin permission for its settings.

30 30 

311. Connect your GitHub repository to Codex.311. Connect your GitHub repository to Codex.

322. Go to [Codex settings](https://app.chatgpt.com/settings/code-review).322. Go to [Codex settings](https://chatgpt.com/settings/code-review).

333. Choose your repository, then turn on **Automatic review** under **Review code**.333. Choose your repository, then turn on **Automatic review** under **Review code**.

34 34 

35 35 

86## Enable automatic reviews86## Enable automatic reviews

87 87 

88To enable automatic reviews for your pull requests, turn on **Automatic review**88To enable automatic reviews for your pull requests, turn on **Automatic review**

89under **Personal preferences** in [Codex settings](https://app.chatgpt.com/settings/code-review).89under **Personal preferences** in [Codex settings](https://chatgpt.com/settings/code-review).

90Choose when reviews run with **Review trigger**. This applies to repositories90Choose when reviews run with **Review trigger**. This applies to repositories

91with code review enabled and doesn't require an `@codex review` comment.91with code review enabled and doesn't require an `@codex review` comment.

92 92 

155Review](https://learn.chatgpt.com/docs/security/security-review).155Review](https://learn.chatgpt.com/docs/security/security-review).

156 156 

1571. Connect your GitHub repository to Codex.1571. Connect your GitHub repository to Codex.

1582. Go to [Codex settings](https://app.chatgpt.com/settings/code-review).1582. Go to [Codex settings](https://chatgpt.com/settings/code-review).

1593. Choose your repository. Under **Review security vulnerabilities**, turn on1593. Choose your repository. Under **Review security vulnerabilities**, turn on

160 **Auto security review** and choose whose pull requests receive reviews with160 **Auto security review** and choose whose pull requests receive reviews with

161 **Review**. Set **Trigger** to **Whenever code review runs** to run it161 **Review**. Set **Trigger** to **Whenever code review runs** to run it

195 195 

196If Codex doesn't react or post a review:196If Codex doesn't react or post a review:

197 197 

198- Confirm you turned on code review for the repository in [Codex settings](https://app.chatgpt.com/settings/code-review).198- Confirm you turned on code review for the repository in [Codex settings](https://chatgpt.com/settings/code-review).

199- Confirm the pull request belongs to a GitHub repository connected to Codex.199- Confirm the pull request belongs to a GitHub repository connected to Codex.

200- Use the exact trigger `@codex review` in a pull request comment.200- Use the exact trigger `@codex review` in a pull request comment.

201- For automatic reviews, check **Automatic review** under the repository201- For automatic reviews, check **Automatic review** under the repository

202 settings and **Personal preferences** in [Codex settings](https://app.chatgpt.com/settings/code-review). Confirm the pull request event matches your review trigger settings.202 settings and **Personal preferences** in [Codex settings](https://chatgpt.com/settings/code-review). Confirm the pull request event matches your review trigger settings.

104 104 

105### Configure code review policies105### Configure code review policies

106 106 

107Configure code review policies in [Codex review settings](https://app.chatgpt.com/settings/code-review?provider=gitlab).107Configure code review policies in [Codex review settings](https://chatgpt.com/settings/code-review?provider=gitlab).

108Choose your repository, then turn on **Automatic review** under **Review code**.108Choose your repository, then turn on **Automatic review** under **Review code**.

109Use **Review** to choose whose merge requests receive reviews and **Trigger** to109Use **Review** to choose whose merge requests receive reviews and **Trigger** to

110choose when reviews run. Repository settings can override personal defaults.110choose when reviews run. Repository settings can override personal defaults.