### Install OpenAI Codex CLI

Source: https://codeproxy.dev/docs

Install the OpenAI Codex CLI tool using npm or brew.

```bash
npm install -g @openai/codex  # or use: brew install codex
```

--------------------------------

### View Codex CLI Help

Source: https://codeproxy.dev/docs

Display command help details for the Codex CLI.

```bash
codex help
```

--------------------------------

### Analyze Code with Codex CLI

Source: https://codeproxy.dev/docs

Analyze a source directory using the Codex CLI.

```bash
codex analyze --files src/
```

--------------------------------

### Configure Codex CLI

Source: https://codeproxy.dev/docs

Configuration for Codex CLI, specifying the model provider, model details, and context window. Requires an OpenAI API key.

```toml
model_provider = "CodeProxy"
model = "gpt-5.4"
model_reasoning_effort = "medium"
disable_response_storage = true
model_context_window =1000000

[model_providers.CodeProxy]
name = "CodeProxy"
base_url = "https://codeproxy.dev/v1"
wire_api = "responses"
requires_openai_auth = true


```

--------------------------------

### Codex CLI Authentication

Source: https://codeproxy.dev/docs

JSON configuration for authenticating with the Codex CLI using an OpenAI API key.

```json
{
  "OPENAI_API_KEY": "your-api-key-here"
}
```

--------------------------------

### Refactor Code with Codex CLI

Source: https://codeproxy.dev/docs

Refactor code in a specified directory using a particular design pattern with the Codex CLI.

```bash
codex refactor --pattern observer src/stores/
```

--------------------------------

### Edit Files with Codex CLI

Source: https://codeproxy.dev/docs

Use the Codex CLI to edit a specified target file.

```bash
codex edit src/components/Button.tsx
```

--------------------------------

### Generate Commit Messages with Codex CLI

Source: https://codeproxy.dev/docs

Automatically generate commit messages by analyzing code changes with the Codex CLI.

```bash
codex commit
```

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