What problem does it solve? Writing Claude Code agents requires precise YAML frontmatter, well-structured system prompts, and triggering examples, and mistakes in any of these cause agents to fail to trigger or behave unpredictably. ## Core Features & Use Cases - Agent File Authoring: Provides the complete agent markdown format covering name, description, model, color, and tools frontmatter fields with validation rules. - System Prompt Patterns: Supplies proven templates for analysis, generation, validation, and orchestration agents with process steps, quality standards, and edge-case handling. - Triggering Example Guidance: Explains how to write example blocks with context, user messages, and commentary so agents trigger reliably. - Validation Script: Includes validate-agent.sh to check frontmatter structure, field formats, and system prompt length. - Use Case: When you need to add a code-reviewer agent to a Claude Code plugin, use this Skill to generate the agent file, write triggering examples, and validate the result before testing. ## Quick Start Create a Claude Code agent that reviews pull requests for security issues and validate the generated agent file.