
Anthropic Skills
Public repository for Agent Skills.

Open-source tool. Self-hosted setup.
A foundational-capability skill: it grants an agent real browser interaction rather than relying on static fetch requests, which underpins a wide range of downstream tasks from QA testing to live-data research.
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.

Tutorials, guides, and agent skills directories.

817 structured cybersecurity skills for AI agents, mapped to MITRE ATT&CK, NIST CSF 2.0, MITRE ATLAS, D3FEND, NIST AI RMF, and MITRE F3.

An agentic skills framework and software development methodology that works.

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

A library of Agent Skills designed to work with the Stitch MCP server, following the open Agent Skills standard.

A Claude skill that writes accurate prompts for any AI tool with full context and memory retention.

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