
Humanizer
Agent skill that removes signs of AI-generated writing from text.

Open-source tool. Self-hosted setup.
This entry leans more educational than most awesome-lists here — pairing skill directories with tutorials and guides for people who are still learning what agent skills are and how to author their own, not just where to find pre-built ones.
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.

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

Convert documentation websites, GitHub repositories, and PDFs into Claude AI skills with automatic conflict detection.

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

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.