# Agent Skills (opens in new tab)

# Agent Skills Agent Skills are modular capabilities that extend Claude's functionality. Each Skill packages instructions, metadata, and optional resources (scripts, templates) that Claude uses automatically when relevant. --- This feature is **not** eligible for Zero Data Retention (ZDR). Data is retained according to the feature's standard retention policy. ## Why use Skills Skills are reusable, filesystem-based resources that provide Claude with domain-specific expertise: workflows,...