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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merttcetn/pev-loop

Evidence-gated Planner-Executor-Verifier loops for long-running Codex goals, with fresh role contexts and OS-temp-only run state.

$ npx skills add merttcetn/pev-loop
community

cooksolutions/atomic-nebula-skills

Atomic Nebula Codex skills bundle

$ npx skills add cooksolutions/atomic-nebula-skills
community

xiaolai/cc-suite

One plugin to bridge and delegate across Claude Code, Codex CLI, and Gemini CLI — single-source AGENTS.md, shared skills, mirrored hooks and MCP servers, and full Claude↔Codex bidirectional delegation.

$ npx skills add xiaolai/cc-suite
community

warecattravage-beep/onyx-agent-v3

✦ Onyx Agent Gateway — Standalone, cross-platform AI agent gateway. Multi-messenger (Telegram/Discord/Console), multi-model (Ollama/OpenAI/Claude), plugin skills (coding/terminal/web), config dashboard for Windows/Linux/Android Termux.

$ npx skills add warecattravage-beep/onyx-agent-v3
community

veawho/via54Skills

Personal Hermes Agent / Claude / OpenClaw / OpenCode / Codex skills by veawho. Naming: via54<lowercase-action>. Bilingual README (中文默认 + English).

$ npx skills add veawho/via54Skills
community

kayde3794/agentlens

Debug multi-agent workflows by capturing, replaying, and inspecting LLM calls and tool use in a timeline interface.

$ npx skills add kayde3794/agentlens
community

nguyenthe-hien/brse-workflow-skills

BrSE workflow skills for Japanese-offshore software delivery. 13 cross-platform skills (Claude Code, Desktop, Cowork web, Codex CLI) for requirement clarification, source impact tracing, structured thinking (MECE/Pyramid), Japanese client reporting, and more.

$ npx skills add nguyenthe-hien/brse-workflow-skills
community

JoeHe0x/skill-man

Keyboard-first TUI to manage Agent Skills & MCP configs across Cursor, Claude Code, Codex & Windsurf — browse, preview, bind, toggle.

$ npx skills add JoeHe0x/skill-man
community

danielzbarnes/AI-Powered-Agentic-Workflow-for-Project-Management

AI-Powered Agentic Workflow for Project Management

$ npx skills add danielzbarnes/AI-Powered-Agentic-Workflow-for-Project-Management
community

simai/ai-codex-skill-larena

Agent skill repository for simai/ai-codex-skill-larena.

$ npx skills add simai/ai-codex-skill-larena
community

catcatcatstudio/cat-skills

AI agent skills for Claude Code, Cursor, Codex, and 40+ coding agents — architect, notebook, extract, cleanse

$ npx skills add catcatcatstudio/cat-skills
community

amandeepmittal/skillsbar

Claude Code, Codex, project skills, plugins, collections, and agents in the menu bar on macOS.

$ npx skills add amandeepmittal/skillsbar
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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