prompt-engineer

Design optimal prompts for large language models using zero-shot, few-shot, and chain-of-thought techniques.

4|1|Updated Mar 18, 2026
One-click install
npx skills add https://github.com/xcrrr/claude-skills --skill prompt-engineer-xcrrr
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prompt-engineer
Source: https://github.com/xcrrr/claude-skills/tree/main/skills/ai-ml/prompt-engineer
Command: npx skills add https://github.com/xcrrr/claude-skills --skill prompt-engineer-xcrrr

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Helps practitioners design, iterate, and optimize prompts for large language models to improve accuracy, consistency, and controllability across single-turn and multi-turn interactions.

Core Features & Use Cases

  • Zero-shot and few-shot prompt templates with explicit formatting constraints to drive structured outputs.
  • Role prompting and system prompts to establish persona, tone, and task constraints across single-turn and multi-turn interactions.
  • Structured-output design (JSON, YAML, Markdown) with validation hooks and error handling to reduce hallucinations and ensure reliability.
  • Prompt chaining for multi-step reasoning, iteration, and production-grade prompt templates with testing workflows.
  • Production-ready templates, reusable patterns, and best-practice guidelines for prompt maintenance.

Quick Start

Provide a production-ready prompt template for a given task that enforces a deterministic, structured output and includes example demonstrations.

Frequently Asked Questions about prompt-engineer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design LLM prompts for structured JSON outputs?

To design LLM prompts for structured JSON outputs, you apply explicit formatting constraints within few-shot templates to drive deterministic, structured responses and reduce hallucinations.

What is the difference between zero-shot and few-shot prompt engineering?

The difference between zero-shot and few-shot prompt engineering is that zero-shot relies on direct instructions, while few-shot includes example demonstrations to establish output patterns and improve accuracy.

How do I create a system prompt for multi-turn interactions?

To create a system prompt for multi-turn interactions, you define role prompting parameters to establish a consistent persona, tone, and task constraints throughout the entire conversation context.

What is the best way to implement chain-of-thought prompting for LLMs?

The best way to implement chain-of-thought prompting for LLMs is using prompt chaining techniques to break down multi-step reasoning tasks into sequential, verifiable production-grade templates.

Why does my prompt template produce inconsistent LLM outputs?

Your prompt template produces inconsistent LLM outputs due to missing explicit format constraints and validation hooks, which are needed to enforce deterministic, production-ready structured responses.