
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.
A narrowly scoped but heavily adopted skill: it post-processes agent-written prose to strip the tics that make AI text read as AI text — stock phrasing, over-hedging, repetitive structure — so the output reads like it was written by a person.
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A text-space optimizer that trains reusable natural-language skills for frozen LLM agents through trajectory-driven edits.

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

PM Skills Marketplace: 100+ agentic skills, commands, and plugins from discovery to strategy, execution, launch, and growth.

Claude skill: multi-source content processor for NotebookLM, supporting WeChat articles, web pages, YouTube, PDF, Markdown, and search queries.

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

Agent skills for Obsidian — teach your agent to use Obsidian CLI and open formats including Markdown, Bases, JSON Canvas.

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

AI Skills collection open-sourced by the 'Digital Life' creator Khazix, including leader, neat-freak, hv-analysis, and khazix-writer.