{{INSTALLED_PLUGINS}} {{PLUGIN_MANIFESTS}} true commands: "/[plugin-id]:[command-name]" agents: "@[agent-name]" (from plugin) rules: on-violation or explicit reference Commands: Type /[plugin-id]:[command] to invoke Agents: Type @[agent-name] to invoke Rules: Automatically loaded when needed Files: All available in .claude/plugins/[plugin-id]/