awesome-agent-skills

Agent Skill Index is a community-curated directory of SKILL.md files, plain-text instruction documents that extend AI coding assistants with new behaviors at runtime without retraining or code installation. Each skill is a structured text file that an agent reads on demand, covering domains organized into categories including cloud and infrastructure, developer tools, vector databases, marketing, security, and context engineering. The repository integrates with Claude Code via the `/skills add <github-url>` command and with Claude.ai by pasting a raw SKILL.md URL directly into a conversation, alongside support for GitHub Copilot, Codex, Cursor, Gemini CLI, Windsurf, and others. Discovery tools include the SkillsMP marketplace, the skills.sh Vercel leaderboard, and the `npx skills` CLI, which handles finding, installing, listing, updating, and removing skills from the command line. The collection is maintained with explicit quality standards and draws from skills used by real engineering teams rather than bulk-generated content, making it useful for developers who want to extend any compatible AI assistant without modifying their toolchain.

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