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Agent Skills for OpenAI Codex CLI (2026) Install and use 192 agent skills with OpenAI Codex CLI. Engineering, marketing, product, and DevOps plugins for Codex.

Agent Skills for OpenAI Codex CLI

Use 192 production-ready agent skills with OpenAI Codex CLI. Every skill in this collection works natively with Codex via the .codex/skills/ directory format.


Quick Install

# Clone the repository
git clone https://github.com/alirezarezvani/claude-skills.git
cd claude-skills

# Option 1: Install all skills for Codex
./scripts/codex-install.sh

# Option 2: Convert specific skills
./scripts/convert.sh --skill frontend-design --tool codex
./scripts/convert.sh --skill autoresearch-agent --tool codex

# Option 3: Convert all skills at once
./scripts/convert.sh --all --tool codex

How It Works

Codex reads agent skills from .codex/skills/<skill-name>/SKILL.md in your project or home directory. The convert.sh script transforms Claude Code's SKILL.md format into Codex-compatible instructions, preserving all workflows, slash commands, and references.


Top Skills for Codex Users

Engineering

Skill Codex Command What It Does
autoresearch-agent /ar:run Autonomous experiment loop — edit, evaluate, keep or revert. Karpathy-inspired.
pr-review-expert /review:full Multi-pass code review catching logic bugs, security issues, missing tests.
frontend-design /design:component Production-grade React/Tailwind UI with high design quality.
tdd-guide /tdd:start Red-green-refactor TDD workflow with coverage tracking.
senior-devops /devops:deploy IaC, CI/CD, monitoring, and incident response playbooks.
docker-development /docker:optimize Dockerfile optimization, multi-stage builds, container security.

Beyond Engineering

Skill Codex Command What It Does
content-creator /content:write SEO-optimized content with brand voice analysis.
cto-advisor /cto:assess Tech debt scoring, team scaling, architecture decisions.
agile-product-owner /po:story User stories, acceptance criteria, sprint planning.
research-summarizer /research:summarize Structured research → summary → citations workflow.

Codex-Specific Tips

AGENTS.md Fallback

If your Codex setup uses AGENTS.md instead of the skills directory, you can use the generated agents file:

# Copy the bundled AGENTS.md to your project
cp claude-skills/agents/AGENTS.md ~/.codex/AGENTS.md

Using with --full-auto

Skills work seamlessly with Codex's auto-approval mode:

# Run a skill in full-auto mode
codex exec --full-auto "Use the frontend-design skill to build a dashboard component"

# Run autoresearch overnight
codex exec --full-auto "Use autoresearch-agent to optimize src/api/search.py for response time"

Project-Level vs Global

# Project-level (only this repo)
cp -r claude-skills/.codex/skills/ ./.codex/skills/

# Global (available everywhere)
cp -r claude-skills/.codex/skills/ ~/.codex/skills/

Full Skill Catalog

All 192 skills organized by domain:

Domain Skills Highlights
Engineering 28 autoresearch-agent, pr-review-expert, database-designer, migration-architect
Engineering Team 15 senior-frontend, senior-backend, senior-devops, senior-security, senior-qa
Marketing 22 content-creator, copywriting, email-sequence, SEO audit, app-store-optimization
Product 12 agile-product-owner, ux-researcher, research-summarizer, analytics-tracking
Business Growth 10 launch-strategy, competitor-alternatives, free-tool-strategy
C-Level Advisory 8 cto-advisor, ceo-advisor, cfo-advisor, marketing-strategy-pmm
Finance 6 financial modeling, fundraising, unit economics
Compliance 8 ISO 27001, ISO 13485, MDR, FDA, GDPR
Project Management 5 Jira expert, sprint planning, retrospective facilitator

Cross-Platform

These same skills work on 10 other coding agents:

Claude Code · Gemini CLI · Cursor · OpenClaw · Aider · Windsurf · Kilo Code · OpenCode · Augment · Antigravity

See the full README for platform-specific install guides.


Last updated: March 2026 · alirezarezvani/claude-skills