ComposioHQ/awesome-claude-skills Crosses 58,024 Stars — Curated Catalog of Reusable Claude Skill Packages With 500+ App Integrations

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The largest community-maintained directory of Claude Skills — reusable instruction packages (SKILL.md + YAML frontmatter) that teach agents how to handle specific task classes. Notable entries include 'great_cto' (7 specialist subagents orchestrating a full SDLC pipeline with 11 project archetypes), web fuzzing, iOS simulation, and screenshot capture skills. Skills format now supported by Claude Code, OpenAI Codex, Cursor, Gemini CLI, Antigravity, and Windsurf.