Overview
Claude Code Skills is an open-source testing skill for Claude Code and Codex, published by levnikolaevich. Its author describes it as: “18 standalone skills for Claude Code and Codex: review, audit, optimization, testing, product discovery, and safe repository publishing.”. The project has 525 stars on GitHub and is available under the MIT license. Add it to your setup with `/plugin marketplace add levnikolaevich/claude-code-skills`.
Best for
Installation
Add Claude Code Skills to your agent with:
/plugin marketplace add levnikolaevich/claude-code-skillsReview a skill’s source before installing it — skills can instruct your agent to run commands. This command comes from the skill’s public repository, which is the source of truth for setup steps. New to skills? Read how to install Claude Code skills.
Supported agents
- Claude Code — named in the skill.md
- Codex — named in the skill.md
License
Claude Code Skills is published under the MIT license.
Strengths
- Clear MIT license — safe to read and adapt within its terms
- Established project with 525 GitHub stars
- Works with Claude Code, Codex
- Actively maintained — repository updated in the last 90 days
Author
Topics
Frequently asked questions
- What does Claude Code Skills do?
- 18 standalone skills for Claude Code and Codex: review, audit, optimization, testing, product discovery, and safe repository publishing.
- How do I install Claude Code Skills?
- Run /plugin marketplace add levnikolaevich/claude-code-skills in your agent, then reload your skills. Review the source at https://github.com/levnikolaevich/claude-code-skills before installing.
- Is Claude Code Skills free to use?
- Yes. Claude Code Skills is free and open source under the MIT license, so you can read, run, and adapt it within that license's terms.
- Which agents does Claude Code Skills work with?
- Claude Code Skills lists Claude Code and Codex — named in its SKILL.md, its plugin marketplace or its repository topics. Skills use the portable SKILL.md format, so other agents that read that format may load it too.
