Claude Agent Skills Explained
Video Summary
- Skills are folders of expertise Claude loads automatically when a task matches.
- Only each skill's name and description load at startup; the full SKILL.md loads on demand.
- Compares skills with CLAUDE.md (project facts), MCP (connects to data) and subagents (fixed roles).
On screen: Mostly a code editor: skill .md files, CLAUDE.md, an mcp.json with Playwright, database-migrations.md (model: sonnet), and full-stack-features.md stacking skills.
After watching you can: Tell skills, CLAUDE.md, MCP servers and subagents apart, and know when to use each.
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