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AI Skills, explained for founders

The AI agent and coding skill packs worth knowing about, translated out of developer jargon. What each one does, when to reach for it, and a free cheat sheet for each so you or your team can start using it today.

Claude Code · 42 skills

GStack

Garry Tan (President and CEO of Y Combinator) open-sources his exact Claude Code setup: over 40 slash-command skills covering planning, design, code review, QA, shipping, documentation, and even native iOS testing. It has passed 119,000 GitHub stars. Here is what it actually does, organized by function, and how to get it working for you, whether you write the code yourself or just manage the people who do.

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More skill packs added as they're worth knowing about.