OpenAI Codex Skills Directory

Awesome Codex Skills

The largest collection of OpenAI Codex agent skills. Extend your Codex CLI with coding tools, automation workflows, and developer plugins.

37,167+ skillsBrowse all skills →

What Are Codex Skills?

Codex skills are structured instruction files that extend OpenAI's Codex CLI agent with specialized capabilities. They follow the SKILL.md format and can be loaded into your .codex/skills/ directory to give Codex domain expertise in specific tools, frameworks, and workflows.

  • Extend Codex CLI with domain-specific knowledge
  • Automate code reviews, testing, and documentation
  • Compatible with SKILL.md and AGENTS.md formats
  • Works alongside Claude Code and Cursor skills
  • Git-friendly — share skills across your team
  • Community-driven ecosystem with 1,000+ skills
  • One-line install with npx skills add
  • Structured prompts for reliable, repeatable output

Featured OpenAI Codex Skills

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kokuren333/CodexVaultGenerater

Generater Skills for Codex making Obsidian Vaults.

$ npx skills add kokuren333/CodexVaultGenerater
community

deliuou/originplot-skill

A Codex skill for automating Origin/OriginPro figures from external Python

$ npx skills add deliuou/originplot-skill
community

shenmiguo/coros-data-skill

Query COROS sports watch training data via the Training Hub API - Codex skill

$ npx skills add shenmiguo/coros-data-skill
community

skyrim0624/UOI

跨站识别 UI 术语、搜索前端风格与组件并展示真实预览的 Codex Skill

$ npx skills add skyrim0624/UOI
community

wanxingai/LightAgent

LightAgent: Lightweight AI agent framework with memory, mcp & skill. Supports multi-agent collaboration, self-learning, and major LLMs (OpenAI/DeepSeek/Qwen). Open-source with MCP/SSE protocol integration.

$ npx skills add wanxingai/LightAgent
community

team-attention/ralphthon-icml

Ralphthon @ICML Codex skills for auto research and world-model ideation

$ npx skills add team-attention/ralphthon-icml
community

YinHeBuilder/codex-product-delivery-skill

A Codex skill for product managers that turns product ideas into complete delivery assets, including PRDs, interaction specs, UI directions, HTML prototypes, asset specs, and developer handoff materials.

$ npx skills add YinHeBuilder/codex-product-delivery-skill
community

wiltonesten-web/codeximage-to-editable-ppt-v1

Codex skill for rebuilding image-based PPT/PPTX slides into editable PowerPoint decks.

$ npx skills add wiltonesten-web/codeximage-to-editable-ppt-v1
community

wcsdqx-dot/ppt-design-director

基于 AI prompt 的可编辑 PPTX 生成技能 (Codex Skill)

$ npx skills add wcsdqx-dot/ppt-design-director
community

yangyc03/yangyc-legalai-skills

Reusable Codex skills for Chinese legal workflows, maintained by Yingchao Yang (杨颖超律师).

$ npx skills add yangyc03/yangyc-legalai-skills
community

yaojiayue/prd-gap-reviewer

A Codex skill for reviewing PRDs, finding logic gaps, missing requirements, edge cases, launch risks etc.

$ npx skills add yaojiayue/prd-gap-reviewer
community

yuyeming0115/cut-grid-assets-skill

Codex skill for slicing grid-based AI asset sheets with asset-grid-cutter.

$ npx skills add yuyeming0115/cut-grid-assets-skill
community

How to Install Codex Skills

1

Install with add-skill

The fastest way. Automatically clones and sets up the skill in your workspace.

npx skills add author/skill-repo
2

Or add to .codex/skills/ manually

Clone the repo and copy the SKILL.md into your Codex skills directory.

mkdir -p .codex/skills/
git clone https://github.com/author/skill-repo
cp skill-repo/SKILL.md .codex/skills/
3

Run Codex with skills loaded

Codex CLI automatically reads skills from .codex/skills/ when starting a session. Skills are injected into the agent's context.

Skill Categories

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