Codex

OpenAI's CLI-based coding agent. Runs tasks autonomously — point it at a marketing task and let it execute using your installed skills.

Best for

Best for marketers comfortable with the terminal who want an OpenAI-powered alternative to Claude Code.

Example install command

$ npx skills add coreyhaines31/marketingskills

Find the exact command for any skill on its skill page →

1

Install Codex CLI

In your terminal:

npm install -g @openai/codex

2

Open your project

Navigate to your project folder in the terminal.

3

Run the install command

npx skills add coreyhaines31/marketingskills

4

Run Codex with your skills

Codex reads skills from .codex/skills/ automatically. Start a session and describe your marketing task.