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

Open-source tool. Self-hosted setup.
One of the more technically deep diagramming skills in the catalog: 36 distinct tools covering codebase-to-diagram and infra-to-diagram generation, image-to-editable-diagram conversion, and PR diff bots, all with a vision self-check step before export.
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.

A Claude Skill to give your agent the ability to use a web browser.

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.

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

Trail of Bits Claude Code skills for security research, vulnerability detection, and audit workflows.

A skill pack for long- and short-form web fiction writing, covering ranking research, story breakdown, drafting, de-AI-ifying, and cover art.

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

Unified real-time search engine skill for AI agents, supporting general web search, vertical domain search, and parallel batch search.

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows.