Awesome Codex Skills
The largest collection of OpenAI Codex agent skills. Extend your Codex CLI with coding tools, automation workflows, and developer plugins.
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
View all →yuzaixinhuai/developing-mcu-firmware-skill
A safety-focused Codex skill for firmware development across MCU architectures, vendors, RTOSes, and toolchains.
$ npx skills add yuzaixinhuai/developing-mcu-firmware-skillzc4578980-tech/anime-wallpaper-upscaler
Windows wallpaper and Codex skill workflow built on official Real-ESRGAN.
$ npx skills add zc4578980-tech/anime-wallpaper-upscalerxiaopixuan/skill-design-review
Codex skill review / skill 检验 tool for evaluating necessity, baseline lift, rubric score, and keep/simplify/merge/rewrite/delete/patch decisions.
$ npx skills add xiaopixuan/skill-design-reviewzhangcongke/plan-and-delegate
A lightweight Codex skill for adaptive planning and cost-aware subagent delegation.
$ npx skills add zhangcongke/plan-and-delegatebeiming183-cloud/AutoCAD-skills
Agent-neutral AutoCAD and mechanical CAD skill for GB/T drafting, parametric 2D/3D, DRC/DFM, assembly topology, GD&T/GPS, inspection, interoperability, and evidence-based release. Works with Codex, Claude Code, and compatible agents.
$ npx skills add beiming183-cloud/AutoCAD-skillswuisabel-gif/readme-auto-update
Create and refresh evidence-based project or GitHub profile READMEs while your hand-written content stays untouched — an agent skill for Claude Code & Codex, plus a GitHub Action. Privacy-safe.
$ npx skills add wuisabel-gif/readme-auto-updateoil-oil/codex-team-mode
A Codex Skill for coordinating focused custom subagents across development, research, analysis, documents, data, and content work.
$ npx skills add oil-oil/codex-team-moderfdiosuao/AgentSkill
可复用的 OpenClaw、Codex 与 AI Agent Skill 工具箱，附安装、验证和发布工作流
$ npx skills add rfdiosuao/AgentSkillGiaSip/giasip-skills
Evidence-grounded research agent for Claude Code & Codex: every claim gets a confidence rating + source-family tag, and adversarial gates block unsupported claims before they reach your report. Ships with a multi-model dispatcher.
$ npx skills add GiaSip/giasip-skillsmuxso/Shepherd
Shepherd is a Rust-native development platform that supervises AI coding agents (Claude Code, Codex) and verifies requirement completeness—》HumanInTheLoop
$ npx skills add muxso/Shepherdyourconscience/dotagents
Dotfiles for your AI agents: one ~/.agents repo for skills, MCP servers, hooks, and subagent roles — synced to Claude Code, Codex, Droid, Hermes, and Pi. Commit-pinned and audited.
$ npx skills add yourconscience/dotagentstaotaoboom/pdf2md-agent-skill
让 LLM agent 高效读懂任何文档：PDF/Word/PPT/Excel 转 Markdown，PDF 智能分流（文本页 PyMuPDF + 公式页/扫描页视觉 OCR）
$ npx skills add taotaoboom/pdf2md-agent-skillHow to Install Codex Skills
Install with add-skill
The fastest way. Automatically clones and sets up the skill in your workspace.
npx skills add author/skill-repo
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/
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.