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.

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.

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.

claude --plugin-dir ./connect-apps-plugin

/connect-apps:setup

Paste your API key when asked. (Get a free key at dashboard.composio.dev)

exit
claude

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 →

• 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

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