prompt-engineer

Design prompts for LLM tasks with structured schemas and evaluation rubrics.

16|Updated Apr 19, 2026
One-click install
npx skills add https://github.com/Marwan78888/Neuron-Cli --skill prompt-engineer-marwan78888
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prompt-engineer
Source: https://github.com/Marwan78888/Neuron-Cli/tree/main/scratch/claude-skills-main/skills/prompt-engineer
Command: npx skills add https://github.com/Marwan78888/Neuron-Cli --skill prompt-engineer-marwan78888

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writes, refactors, and evaluates prompts for LLMs — generating optimized prompt templates, structured output schemas, evaluation rubrics, and test suites. This enables practitioners to design prompts for new LLM applications, improve token efficiency, and implement advanced prompting strategies like chain-of-thought or few-shot learning.

Core Features & Use Cases

  • Design and refine prompts for diverse LLM tasks and providers
  • Build structured output schemas (JSON, function calling) and evaluation rubrics
  • Create test suites and documentation to measure model performance and safety

Quick Start

Write a prompt brief: define the task, target model, and desired output structure, then outline a small example to guide the model.

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 that produce reliable structured outputs?

To design LLM prompts for reliable structured outputs, define the task, target model, and desired output structure in a prompt brief, then use structured schemas like JSON or function calling to enforce the format and guide the model.

What is the best way to refactor prompts for token efficiency?

Refactoring prompts for token efficiency involves applying advanced prompting strategies like chain-of-thought or few-shot learning to streamline system prompts, reducing token usage while maintaining or improving output reliability across different models.

Can I build evaluation frameworks to test LLM performance and safety across multiple models?

Yes, you can build evaluation frameworks spanning multiple models by creating structured evaluation rubrics and test suites that systematically measure both performance accuracy and guardrail adherence for various LLM tasks.

How do I write a prompt brief to start optimizing a new LLM application?

To write a prompt brief for optimizing a new LLM application, define the specific task, identify the target model, outline the desired output structure, and provide a small guiding example to steer the prompt design process.

Does this approach support adding guardrails to prevent unsafe AI outputs?

Yes, designing prompts with this approach explicitly maximizes guardrail adherence and safety by integrating evaluation rubrics and test suites that measure and validate model performance against predefined safety constraints.