
Anthropic Skills
by Anthropic
Anthropic's public repository of example Agent Skills for Claude
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Anthropic's skills repository contains example Agent Skills, folders with a SKILL.md file plus scripts and resources, covering design, development, enterprise, and document tasks. Most skills are Apache-2.0, while the docx, pdf, pptx, and xlsx document skills are source-available.
Key features
- Installable as a Claude Code plugin marketplace
- Document skills for Word, PDF, PowerPoint, Excel
- Skill template and Agent Skills spec
- Examples such as mcp-builder and webapp-testing
Similar tools
skills.sh
Directory and CLI for installing open agent skills

Claude Agent SDK
Build custom agents on the same agent loop and tools as Claude Code

FastMCP
Fast, Pythonic framework for building MCP servers and clients

MCP Inspector
Official visual testing tool for Model Context Protocol servers

MCP Python SDK
Official Python SDK for Model Context Protocol servers and clients

MCP TypeScript SDK
Official TypeScript SDK for building MCP servers and clients