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Anthropic Skills (Claude Code subagents)

Skill = task-specific prompt + tools bundle. Claude Code's "subagent" pattern.

3 hours1 resources1 prereqs

Anthropic's Skills system (2025): MD files in .claude/skills/. Each skill:

  • Defined for a specific task (e.g. "code review", "API documentation")
  • Specialized system prompt
  • Subset of usable tools
  • Trigger condition (when should Claude use this skill?)

Claude Code picks the right skill for the user request, runs a "subagent" with that skill's prompt. Result returns to the main agent.

Similar to MCP servers but lighter, prompt-centric.

Prerequisites

Resources(1)