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.