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

Open-source tool. Self-hosted setup.
Where vercel-labs/agent-skills is a content pack, this is the delivery mechanism: a zero-install CLI (npx skills) for installing, updating, and managing agent skills from any source, which several other projects in this list depend on for their own install instructions.
npx skills workflow, no global package neededThings 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.

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

Distills books, long videos, and podcasts into high-value, executable Agent Skills.

A frequently updated skills store covering document handling, content creation, programming, machine learning, and workflow automation — 72 curated packs.

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

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

Comprehensive open-source library of AI research and engineering skills for any AI model.

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

Production-grade engineering skills for AI coding agents.