senior-prompt-engineer

This skill should be used when the user asks to "optimize prompts", "design prompt templates", "evaluate LLM outputs", "A/B test prompts", "version prompts", "build agentic systems", "implement RAG", "create few-shot examples", "analyze token usage", or "design AI workflows". Covers prompt engineering patterns, A/B prompt testing with regression workflows, prompt versioning and governance, LLM evaluation frameworks, agent architectures, and structured output design.