Directory · Skills

Claude Skills

Large MIT-licensed library of skills, agents, and slash commands for Claude Code, Codex, Gemini CLI, Cursor, and other coding agents.

★ 28,167 stars · last updated 2026-08-30 · Free, open source · View on GitHub

Best for

• Claude Code users who want domain plugins installable from a marketplace
• Teams using several coding agents who want one skill set converted to each tool's format
• Non-engineering workflows such as marketing, product, compliance, and C-level advisory prompts
• Engineering tasks like architecture, DevOps, Playwright testing, and security auditing

Install

/plugin marketplace add alirezarezvani/claude-skills
/plugin install engineering-skills@claude-code-skills

Our take

Covers roughly 380+ skills across 20 domains, each with a SKILL.md, plus stdlib-only Python scripts and reference docs. A conversion script generates native formats for Cursor, Aider, Windsurf, Kilo Code, OpenCode, Augment, and others, while Hermes Agent and Mistral Vibe need a local sync step. Counts in the README are inconsistent (345, 380, 388 skills; 5,200+ vs 28k stars), and the breadth means quality likely varies by skill, so installing individual domain plugins rather than everything is sensible.

Similar skills

• Karpathy-Inspired Claude Code Guidelines: A single CLAUDE.md with four principles to curb overengineering, silent assumptions, and unrelated edits in Claude Code.
• Scientific Agent Skills: Library of 177 Agent Skills for scientific work in biology, chemistry, medicine, and more, for Claude Code, Cursor, Codex and others.
• reverse-skill: Skill router pack for reverse engineering, pentesting, and security research that routes AI coding agents to the right methodology and toolchain.
• book-to-skill: Converts technical books and document folders (PDF, EPUB, DOCX, MD, HTML and more) into on-demand agent skills for Claude Code and others.
• Hallmark: Design skill for Claude Code, Cursor, and Codex that builds, audits, and redesigns UI while avoiding generic AI-generated looks.
• Planning with Files: Agent skill that keeps task_plan.md, findings.md, and progress.md on disk so coding agents can resume after /clear, compaction, or crashes.