Claude code skills
Here are the top, most widely used GitHub repositories for Claude Code skills, subagents, and extensions
| Sr No | Name | Description | Link |
|---|---|---|---|
| 1 | The Official Anthropic Repository | Anthropic’s canonical repository of verified, production-grade skills. Highlights: Includes core document handlers (PDF parsing, Word DOCX editing, PPTX generator, XLSX data analysis), web application testing (Playwright), UI design tools, and the meta-skill | Visit Link |
| 2 | Superpowers | One of the most starred repositories in the ecosystem.Focuses on test-driven development (TDD), structured 4-phase debugging, systematic code reviews, and robust long-running agent workflows to prevent multi-step errors. | Visit Link |
| 3 | ECC | A massive collection containing over 100+ agent profiles, security scanners, context management rules, and command shortcuts. AY Automate,Useful if you want ready-to-use commands for code audits, security scanning, token/context optimization, and multi-file management. | Visit Link |
| 4 | gstack | Maintained by Garry Tan, this repository structures Claude Code into specialized virtual team roles. Reusable skills and slash commands that assign Claude roles like CEO, Engineering Manager, UI/UX Designer, and QA Engineer. | Visit Link |
| 5 | AY Skills | A skill is a SKILL.md file (and optional supporting files) that you drop into .claude/skills/ in your project. Claude Code reads it automatically and gains new capabilities — like generating Excalidraw diagrams, creating LinkedIn carousels, or building n8n workflows. | Visit Link |
| 6 | Awesome Agent Skills | A curated directory of specialized subagent definitions for task division.Focuses on role specialization—isolating backend API design, database schema migration, security penetration testing, and DevOps deployment into individual subagents. | Visit Link |
| 7 | Awesome Claude Skills | Integrates Claude Code with third-party software, APIs, and SaaS tools.Pre-built skills for GitHub Actions, Slack automation, social platforms, developer telemetry (LangSmith), and external databases. | Visit Link |
| 8 | awesome-claude-code | The primary community directory indexing skills, hooks, slash commands, agent frameworks, plugins, and helper tools across the GitHub ecosystem. | Visit Link |
| 9 | claude-code-templates Public | Contains configuration templates, preset .claude/ folder structures, and quick-start files for speed and repeatability across new projects. | Visit Link |
| 10 | Agentic Plugin Marketplace | Built with a "single Markdown source" strategy that compiles native configurations for Claude Code alongside Cursor, Gemini CLI, and Codex. It includes domain packs like python-development, security-auditing, and cloud-infrastructure. | Visit Link |
| 11 | Commands, Agents & Skills for Java | An AI-native engineering toolkit tailored for Spring Boot and modern Java enterprise architectures. Includes specialized subagents for Maven dependency resolution, JUnit 5 test generation, and architectural refactoring. | Visit Link |
| 12 | Solana AI Kit | Web3 configurations providing pre-built CLAUDE.md files, security subagents, and smart contract verification tools. | Visit Link |