Tools & repos

One Command Installs Anthropic's Own Skill Library

One command installs Anthropic’s own skill library into Claude Code. Everything below is copied from the repo, not remembered.

2min read
9sections

What a Skill actually is

A folder with a SKILL.md in it. That is the entire format. YAML frontmatter with a name and a description, then markdown instructions.

---

name: my-skill-name

description: What this does and when to use it

---

# My Skill Name

[instructions Claude follows when this skill is active]

Claude loads a skill only when the description matches what you are doing, so it costs nothing until it is useful. That is the difference between this and a giant system prompt that you pay for on every single message.

The install, one line

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