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codex-system

Document Codex CLI usage, essential flags, and approval modes.

Updated Feb 18, 2026
Search Tags:#developer tools#cli#codex#reference#openai#ai coding
One-click install
npx skills add https://github.com/kousaku-maron/Carbon --skill codex-system-kousaku-maron
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: codex-system
Source: https://github.com/kousaku-maron/Carbon/tree/main/.claude/skills/codex-system
Command: npx skills add https://github.com/kousaku-maron/Carbon --skill codex-system-kousaku-maron

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill provides quick access to the fundamental commands and options for using the Codex CLI, enabling users to efficiently interact with the AI coding agent.

Core Features & Use Cases

  • Basic Usage: Learn how to initiate a conversation with Codex for code analysis and modification.
  • Key Flags: Understand and utilize essential flags like --model, --approval-mode, and --json for fine-tuned control.
  • Approval Modes: Differentiate between suggest, auto-edit, and full-auto modes for managing AI actions.
  • Use Case: A developer needs to quickly understand how to tell Codex to automatically apply suggested code changes without further prompts.

Quick Start

Use the codex system skill to learn how to run codex with the auto-edit approval mode.

Frequently Asked Questions about codex-system

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I use the Codex CLI to automatically apply suggested code changes?▼

To use the Codex CLI for automatic code changes, initiate the tool with the `--approval-mode` flag set to `auto-edit`. This mode allows the AI coding agent to apply suggested modifications directly without prompting for further manual confirmation.

What are the available approval modes in the Codex CLI?▼

The Codex CLI features three approval modes: `suggest`, `auto-edit`, and `full-auto`. These modes manage AI actions by controlling the level of autonomy the agent has when executing commands or modifying code.

How do I specify a different AI model when using Codex CLI?▼

You can specify a different AI model in the Codex CLI by using the `--model` flag. This allows you to fine-tune the AI coding agent's operations for specific code analysis and modification tasks.

Can I get structured output from the Codex CLI?▼

Yes, you can get structured output from the Codex CLI by using the `--json` flag. This facilitates controlled AI operations and allows you to parse the agent's responses programmatically for code analysis workflows.

What is the best way to start a conversation with the Codex AI for code modification?▼

The best way to start a conversation with the Codex AI is by using the basic CLI command syntax detailed in the Codex reference. This initiates an interaction for efficient code analysis, modification, and command execution.

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