Experiment · Agent Skillsinteractive
Agent Skills Explainer
Agent Skills are directories containing a SKILL.md file that give Claude persistent, reusable capabilities — automatically registered as slash commands. Explore how they are structured, what each frontmatter field does, and trace a full invocation from/pr-describeto a generated PR description.
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Agent Skills
interactive explainer
Project workspace
📁.claude/
📁skills/← scanning
📁pr-describe/
📄SKILL.md
⚙️get-diff.sh
📄sample-output.md
Skills are also installable from anthropics/skills — copy the directory and they load automatically.
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1Scan skills directory
At startup, Claude scans .claude/skills/ and finds every subdirectory. Each one is a candidate skill.
Skills format · SKILL.md + YAML frontmatter
anthropic.com/news/skills ↗