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.

50,028+ 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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lexuanthanhhy/MKT.LANDINGPAGE.SKILLS

Viết Reels 30-90s theo format Untold Stories của Daniel Wall: behind-the-scenes của chủ đề ai cũng biết → reveal 'Oh wait, what?!' moment. Phù hợp topic AI/tech đang hot nhưng viewer chưa biết deep-cut. USE WHEN user says 'viết reels untold stories', 'behind the scenes reels', 'deep cut story reels', 'reveal ít người biết', 'reels format daniel wall', 'viết reels chủ đề hot có twist', 'oh wait what reels'.

$ npx skills add lexuanthanhhy/MKT.LANDINGPAGE.SKILLS
community→

clueso-ai/skills

Clueso MCP multilingual-captions — multi-language caption generation for product videos.

$ npx skills add clueso-ai/skills
community→

Pluviobyte/rnskill

选题全生命周期调度:记录选题、深化选题、选题推荐、立项分发(视频/图文/文章/实操长片/多形态)、发布归档。 Use when the user says 灵感xx, 想法xx, 记录选题, 这个可以做个选题, 先存着这个链接, 深化选题/深化一下xx, 给我N个选题, 帮我出选题, 选题推荐, 立项, 做成视频, 制作视频, 做成文章, 制作文章, 做成图文, 制作图文, 做成实操长片, 图文视频文章都做/都分发, 我要自己出镜讲, xx发布了, xx要改; or when the user gives a link plus a target form (链接+制作视频/文章/图文). Owns the 00-选题池 card system: one topic = one card; user never moves files — this skill does.

$ npx skills add Pluviobyte/rnskill
community→

mohamedzhioua/agent-done-or-not

Catch your AI agent lying about "done" A one-file proof-gate for Claude Code, Cursor & Codex. it must verify before it can finish

$ npx skills add mohamedzhioua/agent-done-or-not
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showheyohtaki/btob-site-workflow

Codex skills for auditing, designing, and implementing Japanese B2B websites end to end

$ npx skills add showheyohtaki/btob-site-workflow
community→

rain200022/open-source-skill-productization

Resumable workflow for turning public open-source signals into validated Codex Skills and UUMit deliverables.

$ npx skills add rain200022/open-source-skill-productization
community→

the-open-agent/openagent

Transcribe audio via OpenAI Audio Transcriptions API (Whisper).

$ npx skills add the-open-agent/openagent
community→

gvastethecreator/spritesheet-expert-skill

Production-grade Codex skills for spritesheets, 2D game assets, backgrounds, UI kits, and visual QA.

$ npx skills add gvastethecreator/spritesheet-expert-skill
community→

decolua/9router

Speech-to-text via 9Router /v1/audio/transcriptions using OpenAI Whisper / Groq / Gemini / Deepgram / AssemblyAI / NVIDIA / HuggingFace models. Use when the user wants to transcribe audio, convert speech to text, or get subtitles from audio files.

$ npx skills add decolua/9router
community→

coding-standards

Baseline cross-project coding conventions for naming, readability, immutability, and code-quality review. Use detailed frontend or backend skills for framework-specific patterns. Use when reviewing code quality or naming with no framework-specific skill that applies.

$ npx skills add affaan-m/everything-claude-code
community→

google/artemis

ARTEMIS turns natural-language instructions into reliable Android automation. It automates end-to-end workflows, captures logs, and integrates seamlessly with AI coding assistants such as Antigravity, Codex, and Claude Code. It also achieves 99%+ success rate on AndroidWorld Benchmark.

$ npx skills add google/artemis
community→

lucidnas/session-recall-agent-skill

Portable agent skill for searching local Claude Code and Codex session history

$ npx skills add lucidnas/session-recall-agent-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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