Best Skills AI Tools
Skill packs, rules, and MCP integrations that teach your AI assistant new abilities
11 tools
Production-grade engineering skills for AI coding agents
Free and open source
The open format for packaging reusable skills for AI agents
Free open specification
Anthropic's official library of example Agent Skills
Free; skills used with Claude plans priced separately
- Free
Official guide to project rules that steer Cursor's AI
Free feature of Cursor; Cursor plans priced on cursor.com
- Free
OpenAI's store of custom GPTs for specific tasks
Browse free; some GPTs and features require a ChatGPT plan
Official reference servers for the Model Context Protocol
Free and open source
- Free
Official registry of publicly available MCP servers
Free
OpenAI's skills catalog and docs for Codex
Free; Codex usage priced by OpenAI plans
Find and install agent skills with one command
Free and open source
- Free
Directory and hosting for MCP servers and agent skills
Free to browse; see smithery.ai for hosting terms
- Free
Agentic skills framework that helps coding agents plan before they build
Free and open source
How we chose these tools
We review each tool's public pricing and features. A tool can appear in more than one category.
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