What it does
Codex is an AI coding assistant. "Skills" are small instruction bundles that tell it how to do a particular task the way you want it done.
This list collects skills for code review, large code changes, productivity, writing, data analysis and more, with instructions for installing them.
Who it's for
People who use Codex and want to give it new abilities.
Can I use it without coding?
Developers only. Installing skills involves terminal commands and copying folders. New to this? Start here.
Can I run it?
- Cost
- Free, but needs an AI accountThe software is free, but it uses an online AI service (like OpenAI or Anthropic), which usually charges for use.
- Computer
- An ordinary computer is fine
- API key
- Not needed
Try it
- Install OpenAI's Codex coding assistant first.
- Copy a skill folder you like into Codex's skills folder, or use the included installer.
- Restart Codex, then describe your task or mention the skill by name.
Using Claude Code, Cursor or another AI coding assistant? Paste the prompt and it will walk you through the setup.New to this?
Before you install
- Only download from the official GitHub page. Copies with similar names exist for many popular projects.
- No standard license listed. Check the GitHub page before using it for business.
- More on staying safe