Claude Code Plugin Development

Comprehensive guidance for creating well-structured plugins, skills, hooks, agents, commands, and MCP integrations.

Core Principles (Anthropic Official)

1. Composable - Multiple skills work together seamlessly, Claude coordinates automatically
2. Portable - Same format works across Claude apps, Claude Code, and Claude API
3. Efficient - Progressive disclosure loads only what's needed (description → SKILL.md → references)
4. Powerful - Combines prompts + executable code for complete workflows
5. Secure - Never hardcode secrets, use ${CLAUDE_PLUGIN_ROOT} for paths

Critical Budget Limits