Each skill is a .skill file you can upload in Claude Desktop (Settings → Customize → Skills → +) or unzip into ~/.claude/skills/ for Claude Code. Triggers by description, no wiring.
Claude Code · Skill
Agent Creator
Create Claude Code subagent definitions — the YAML + Markdown files in .claude/agents/ that the main thread delegates tasks to. Interviews you enough to make opinionated choices, then writes a definition that actually triggers.
