Awesome Claude Skills A comprehensive and curated list of 1000+ production ready and practical Claude Skills and Plugins for enhancing productivity across usecases on not just Claude.ai, Claude Code, but also across coding agents like Codex, Cursor, Gemini CLI, Antigravity and more. Give your skills real world actions Skills tell your agent how to work. An MCP Gateway gives it secure access to the tools it needs. Composio MCP Gateway provides a single MCP endpoint for 1,000+ integrations with built in authentication, team based access controls, audit logs, and production ready reliability. Quickstart: Connect Claude to 1000+ Apps The connect apps plugin lets Claude perform real actions send emails, create issues, post to Slack. It handles auth and connects to 1000+ apps using Composio under the hood. 1. Install the Plugin [安装/使用命令见下方] 2. Run Setup [安装/使用命令见下方] Paste your API key when asked. (Get a free key at dashboard.composio.dev) 3. Restart & Try It [安装/使用命令见下方] Want skills that do more than generate text? Claude can send emails, create issues, post to Slack, and take actions across 1000+ apps. See how → If you receive the email, Claude is now connected to 1000+ apps. See all supported apps → Contents What Are Claude Skills? Skills Document Processing Development & Code Tools Data & Analysis Business & Marketing Communication & Writing Creative & Media Productivity & Organization Collaboration & Project Management Security & Systems App Automation via Composio Getting Started Creating Skills Contributing Resources License What Are Claude Skills? Claude Skills are reusable instruction packages that teach an AI agent how to handle a specific class of tasks. Each skill is a folder containing a SKILL.md file with YAML frontmatter (name, description) and Markdown instructions, optionally bundled with scripts, references, and assets. Anthropic introduced the format in October 2025 and released it as an open standard in December 2025; it's now supported by Claude Code,