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 →tuvens/phased-development
Multi-tier orchestration plugin for Claude Code: phase/sprint roles, testing protocol, Codex delegation, Sprint 0 trial pattern. Use for long-running projects (3+ phases expected).
$ npx skills add tuvens/phased-developmenttoktop/toktop
Local-first usage and live status for Claude Code & Codex sessions — skills, MCP servers, and tools.
$ npx skills add toktop/toktopngvoicu/consensflow-cc
Ask other AI coding agents (Claude Code, Codex, Pi, OpenCode) for a second opinion, one at a time, by name - a Claude Code plugin
$ npx skills add ngvoicu/consensflow-ccEdward4226/codex-maxxing
Drop-in AGENTS.md / CLAUDE.md + 3 companion skills distilled from Jason Liu's《Codex-maxxing》(2026-05-10). Executable rules, not a reprint.
$ npx skills add Edward4226/codex-maxxingtyf728777809-hue/tyf-skills
Personal collection of Codex Skills
$ npx skills add tyf728777809-hue/tyf-skillsFA-T-T/codex-skill-academic-slides
Codex skill for academic slides, posters, proofsheets, and architecture diagrams via GPT Image 2
$ npx skills add FA-T-T/codex-skill-academic-slidesmvschwarz/openrig
Multi-agent harness that runs Claude Code and Codex together as one system
$ npx skills add mvschwarz/openrigjomeswang/agnes-ai-skill
Agnes AI skill for text, image, and video APIs with persistent auth and OpenAI-style workflows
$ npx skills add jomeswang/agnes-ai-skillniftymonkey/skills
Custom agent skills for Claude Code, Codex, Cursor, and more. Install via npx skills@latest add niftymonkey/skills
$ npx skills add niftymonkey/skillsDeepu-Thapa/codex-skills
🛠️ Master Java programming with modular skills from Effective Java. Each skill offers concise guidance for best practices and practical application.
$ npx skills add Deepu-Thapa/codex-skillsosamabinIaggin/seniorvibes
Turn one-line directives into reviewed, grounded code blocks — Ollama, OpenAI-compatible, or Claude. A VS Code extension.
$ npx skills add osamabinIaggin/seniorvibessligter/codex-autoloop
Plan and run long-lived autonomous development loops with explicit safety rails, mechanical verification, resumable state, and bounded task scopes.
$ npx skills add sligter/codex-autoloopHow 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.