prompt-engineering

Prompt engineering toolkit — prompt design patterns (role, constraints, multi-pass), structured output (tool use, Zod schemas, JSON/XML parsing), few-shot example design (selection strategies, contrastive pairs), chain-of-thought reasoning (CoT, extended thinking, self-consistency, tree of thought), RAG patterns (chunking, vector search, hybrid search, grounding), and LLM evaluation (datasets, LLM-as-judge, regression testing, CI pipelines). 6 skills, 3 commands, 1 agent. No dependencies.