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This guide covers the complete picture: what skills are technically, how to plan and design them, the exact file structure and naming rules, how to write instructions that Claude follows reliably, a complete working skill built from scratch, how to test and distribute, and what to do when things go wrong.

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Skill Distillation
29 May 2026
tomtunguz.com

"How a personal AI agent built on markdown skills lets a frontier model teach smaller, local models to do real work, without retraining."

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We Tried 100 Claude Skills. These Are The Best
10 Apr 2026
open.substack.com

Tested, ranked, and ready to use