
Anthropic Skills
Public repository for Agent Skills.

Open-source tool. Self-hosted setup.
This pack targets the meta-problem of building agents rather than using them for a task — context window management, multi-agent architecture patterns, and debugging production agent systems that struggle with effective context handling.
Things to Know About Self-Hosted
Self-hosted tools are open-source apps you install on your own server to replace SaaS products. You get full control and often zero license cost, but you're responsible for setup, security, backups, and uptime.

66 specialized skills for full-stack developers, transforming Claude Code into an expert pair programmer.

Persistent file-based planning for AI coding agents and long-running tasks.

Agent skill that generates rich HTML pages or slide decks for diagrams, diff reviews, plan audits, data tables, and project recaps.

A text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits.

AI-agent skill for generating polished HTML slide decks: editorial magazine and Swiss layouts, image prompts, social covers, and a WebGL presentation runtime.

The #1 Agent Skills library for science, used by 170,000+ scientists worldwide — 161 ready-to-use validated skills plus 100+ scientific databases.