Adopt100/100
Agent SkillsProduction-grade engineering skills for AI coding agents.
Stars81K
Trust86/100
Audit91/100
Quality100/100
RiskSafe to try
Claude CodeCursorCoding agents
$ npx skills add addyosmani/agent-skillsPlatform shortlist
Best Agent Skills for Codex
A focused guide for builders using Codex-style coding agents: repository inspection, issue triage, implementation planning, testing, and browser verification skills.
Decision prompt
I need Codex skills for repository analysis, patching code, reviewing pull requests, and verifying changes before shipping.
12
Shortlist
best
Intent
CodexCoding agentsUpdated Jun 2026
Recommended shortlist
Start with these skills
Adopt100/100
Skillsaccess to david ondrej's personal agent skills
Stars2.7K
Trust84/100
Audit91/100
Quality100/100
RiskSafe to try
Claude CodeCoding agentsResearch agents
$ npx skills add davidondrej/skillsAdopt100/100
Open Code ReviewOpen-source & free — Battle-tested at Alibaba's scale. Hybrid architecture code review tool: deterministic pipelines + LLM Agent, precise line-level comments, built-in fine-tuned ruleset (NPE, thread-safety, XSS, SQL injection), OpenAI & Anthropic compatible.
Stars11K
Trust89/100
Audit93/100
Quality100/100
RiskSafe to try
Claude CodeOpenAI AgentsCoding agents
$ npx skills add alibaba/open-code-reviewAdopt100/100
Playwright Browser SkillAutomate a real browser from the terminal for navigation, form filling, snapshots, screenshots, extraction, and UI-flow debugging.
Stars24K
Trust83/100
Audit90/100
Quality100/100
RiskSafe to try
Claude CodeOpenAI AgentsCursor
$ npx skills add openai/skills --skill playwrightHow to use this guide
Move from search to adoption
01
Choose a narrow job
Start with one workflow such as PR review, route debugging, or UI smoke testing.
02
Ask the recommendation API
Use the task prompt on this page to generate a ranked plan from the current marketplace.
03
Validate before adding to your default agent setup
Compare the top skill against at least one fallback and inspect repository permissions.
Evaluation notes
What to check before installing
The Codex buying criterion
A useful Codex skill should compress a real engineering loop: understand context, make a scoped change, verify behavior, and explain the result.
- +Look for skills that include verification, not just generation.
- +Favor installable workflows over vague prompt packs.
- +Use the readiness score to decide whether to adopt, shortlist, or prototype.
Where Codex skills create leverage
The highest-value use cases are repetitive engineering chores: PR review, test generation, repo summaries, bug triage, and release note drafting.
- +Use repository-aware skills for codebase onboarding.
- +Use browser and testing skills to verify product behavior.
- +Use GitHub automation skills for recurring team workflows.
FAQ
Common questions
Can Codex use the same skills as Claude Code?
Often yes, but the right choice depends on the workflow, install path, and permissions. Use the decision page to validate each skill before adoption.
Why does the guide include browser and GitHub skills?
Coding agents become more useful when they can verify UI behavior and inspect repository context, not only write code.
More candidates
Additional skills to review
Code Review
Primary pickReview a branch or diff against repository standards and the originating spec in two independent analysis passes.
169K stars100/100 ready
Implement
Primary pickImplement work from an approved spec or ticket set, run focused and full tests, invoke code review, and commit the result to the current branch.
176K stars100/100 ready
Pr Agent
Primary pick🚀 PR Agent: The Original Open-Source PR Reviewer. This project It is not the Qodo free tier.
12K stars100/100 ready
Webapp Testing
Primary pickUse Playwright to interact with and test local web applications, capture screenshots, debug UI behavior, and inspect browser logs.
165K stars100/100 ready
Codex
Primary pickLightweight coding agent that runs in your terminal
91K stars100/100 ready
Open Design
Primary pick🎨 Local-first, open-source Claude Design alternative. 🖥️ Native desktop app. ⚡ 259+ Skills · ✨ 142+ Design Systems 🖼️ Web · desktop · mobile prototypes · slides · images · videos · HyperFrames 📦 Sandboxed preview · HTML/PDF/PPTX/MP4 export 🤖 Claude Code / OpenClaw / Codex / Cursor / OpenCode / Qwen / Copilot / Hermes / Kimi & 17+ CLIs.
82K stars100/100 ready
Vercel React Best Practices
Primary pickReact and Next.js performance guidance for writing, reviewing, and refactoring production UI code.
30K stars100/100 ready
Deploy to Vercel
Primary pickDeploy applications and websites to Vercel, including preview deployments and shareable deployment links.
30K stars100/100 ready
Next guides
Keep building the workflow
Installation guide
Install in Codex
A step-by-step workflow for adding install-ready skills to a Codex-style agent setup while keeping validation, permissions, and rollback in mind.
Platform shortlist
Claude Code skills
A practical shortlist of skills for Claude Code users who want stronger repository analysis, repeatable coding workflows, browser checks, and agent-ready implementation plans.
Use-case shortlist
RAG skills
Find skills for document ingestion, retrieval, embeddings, source-grounded answers, and agent workflows that need reliable private knowledge.