Standards Skills

Claude Code Skills & Plugins — Agent Skills for Every Coding Tool

**192 production-ready Claude Code skills, plugins, and agent skills for 11 AI coding tools.**

The most comprehensive open-source library of Claude Code skills and agent plugins — also works with OpenAI Codex, Gemini CLI, Cursor, and 7 more coding agents. Reusable expertise packages covering engineering, DevOps, marketing, compliance, C-level advisory, and more.

**Works with:** Claude Code · OpenAI Codex · Gemini CLI · OpenClaw · Cursor · Aider · Windsurf · Kilo Code · OpenCode · Augment · Antigravity

[](https://opensource.org/licenses/MIT) [](#skills-overview) [](#agents) [](#personas) [](#commands) [](https://github.com/alirezarezvani/claude-skills/stargazers) [](https://getskillcheck.com)

**5,200+ GitHub stars** — the most comprehensive open-source Claude Code skills & agent plugins library.

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What Are Claude Code Skills & Agent Plugins?

Claude Code skills (also called agent skills or coding agent plugins) are modular instruction packages that give AI coding agents domain expertise they don't have out of the box. Each skill includes:

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**One repo, eleven platforms.** Works natively as Claude Code plugins, Codex agent skills, Gemini CLI skills, and converts to 8 more tools via `scripts/convert.sh`. All 254 Python tools run anywhere Python runs.

Skills vs Agents vs Personas

	Skills	Agents	Personas
Purpose	How to execute a task	What task to do	Who is thinking
Scope	Single domain	Single domain	Cross-domain
Voice	Neutral	Professional	Personality-driven
Example	"Follow these steps for SEO"	"Run a security audit"	"Think like a startup CTO"

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