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Best Agent Skills

72 curated skills · OpenAI

Codex skills

The skills worth adding to Codex, picked for taste: decks, websites, videos, writing and more. Every one has plain steps to add it to Codex.

Start with these Codex skills

Free skills that earn their place: the most installed everyday picks.

How to add a skill in Codex

Reads skills from a skills folder on your computer. Ask it to install one of OpenAI's curated skills by name. Checked against Codex’s own documentation on Oct 20, 2026.

  1. In Codex, type $skill-installer followed by a skill name (for example $skill-installer linear) to add a skill from OpenAI's curated list.
  2. For any other skill, paste the install prompt below and Codex puts it in your skills folder.
  3. Type $ or run /skills to pick a skill, or just ask: Codex uses a skill when your request matches it.

Install prompt: paste this into Codex

I downloaded the agent skill "Code Review" as code-review.zip. Unzip it and copy the code-review folder into ~/.agents/skills. Before you finish, list every file it contains, show me any scripts and what they do, and stop if anything asks for passwords, API keys or downloads from other websites.

Example with Code Review, the first pick above. Each skill page has its own prompt and download.

Skills folder:
~/.agents/skills
In one project:
.agents/skills

All 72 skills for Codex

Grouped by what they make. Every one has a page with example prompts and install steps for Codex.

Pitch decks & slides

Reports, PDFs & spreadsheets

Websites & landing pages

Launch & explainer videos

Writing that sounds like you

SEO & marketing

Posters, banners & diagrams

Research & planning

Data & spreadsheets

Coding & workflows

Codex skills, answered

New to skills? Read what a SKILL.md file is and how skills marketplaces work.

What are Codex skills?

Codex skills are folders of written instructions, sometimes with templates and small programs, that teach Codex how to do one kind of job. Codex reads a short description of each skill and opens the full instructions only when your request matches.

How do I add a skill to Codex?

In Codex, type $skill-installer followed by a skill name (for example $skill-installer linear) to add a skill from OpenAI's curated list. For any other skill, paste the install prompt below and Codex puts it in your skills folder. Type $ or run /skills to pick a skill, or just ask: Codex uses a skill when your request matches it. Every skill page on this site repeats these steps for Codex, with the exact folder or button.

Where does Codex keep its skills?

In ~/.agents/skills, or in .agents/skills inside a project to use a skill there only.

Are there free Codex skills?

Yes. 26 of the 72 skills listed here are Free. The rest are Premium, which opens soon, or install from their author or are built into Claude.

Is there a Codex skills marketplace?

This page is a curated one: every skill has its own page, a plain description and install steps for Codex. For how marketplaces and directories compare, read the guide on skills marketplaces.

Skills for other apps

Codex is also searched as OpenAI Codex.