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OpenAI Codex - CLI Installation

Install Skills in OpenAI Codex

Follow this guide to install AI skills in OpenAI Codex using the Skilz CLI

Before You Start

You'll need Python 3.10+ and pip installed on your computer. Most modern systems have these pre-installed.

To check: Run python3 --version in your terminal

Learn more about OpenAI Codex at openai.com/codex

1

Install the Skilz CLI

First, install the Skilz CLI tool. Open your terminal and run:

pip install skilz

This only needs to be done once

2

Find a Skill You Want

Browse our marketplace and click on any skill to view its details. Look for the "Installation" section on the skill page - you'll see Codex install commands.

Example: On any skill page, you'll see the Codex install command:

skilz install anthropics_skills/canvas-design --agent codex

The --agent codex flag tells Skilz to install to Codex's skill directory

3

Run the Install Command

Open your terminal and paste the install command, then press Enter.

Ctrl+V or Cmd+V to paste
skilz install anthropics_skills/canvas-design --agent codex

Press Enter to run the command

4

You're Done!

That's it! The skill is now installed in your ~/.codex/skills/ directory and is immediately ready to use in OpenAI Codex.

Skill installed successfully!

Codex now has new capabilities. Try asking about the topic the skill covers!

Pro Tips

  • Use skilz list --agent codex to see all installed Codex skills
  • Use skilz update --agent codex to update all Codex skills
  • Use skilz remove skill-name --agent codex to uninstall a skill
  • Higher-rated skills (green scores) are more reliable and well-maintained

Works with 22+ AI Agents

Skilz supports 22+ AI coding agents including Claude Code, OpenCode, Cursor, Aider, Gemini CLI, Qwen CLI, Kimi CLI, GitHub Copilot, and more.

Still having trouble? We're here to help.

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