Customization · Skills

Writing a Skill

Video + articles

Video

Building Great Agent Skills: The Missing Manual

AI Engineer · 21 min · June 29, 2026

Articles

Skill authoring best practices

Claude Platform Docs · Anthropic

Evaluating skill output quality

Agent Skills · Agent Skills (open standard)

Improving skill-creator: Test, measure, and refine Agent Skills

Claude by Anthropic (blog) · Anthropic · March 3, 2026

Supplementary

Full Walkthrough: Writing & Using Skills — Nick Nisi and Zack Proser

AI Engineer · 1 hr 21 min · May 6, 2026

How I deleted 95% of my agent skills and got better results — Nick Nisi, WorkOS

AI Engineer · 18 min · May 30, 2026