composiohq/awesome-claude-skills

Awesome Claude Skills is a curated directory of reusable instruction packages, called skills, that can be added to Claude AI agents to give them specific capabilities. The problem it solves is discoverability: as the ecosystem of Claude skills has grown, developers need a single organized reference to find pre-built skills for tasks they need without starting from scratch. The repository lists over a thousand production-ready skills covering areas like document processing, code development, data analysis, business automation, creative work, security, and integration with external applications. A Claude skill, as the README explains, is a folder containing a SKILL.md file with a name, a short description, and detailed instructions written in Markdown. When an agent starts up, it loads only the short descriptions of all available skills into its context window, using roughly 100 tokens per skill. When it encounters a task that matches a skill, it loads the full instructions on demand. This progressive loading means an agent can host hundreds of skills without using up all its available memory. Skills are distinct from tools (specific functions the agent can call) and from MCP servers (the connection layer to external services); skills define the workflow and decision logic that sits on top of those lower layers. The repository also includes a plugin from Composio that connects Claude to over five hundred external apps including Gmail, Slack, GitHub, and Notion, allowing the AI to send emails, create issues, and post messages as real actions rather than just generating text. The project is compatible with Claude Code, Claude.ai, and several other coding agents. You would use this repository when building an AI workflow and wanting to adopt community-contributed skill packages rather than writing behavior instructions from scratch.