prompt-engineering

Optimize and validate LLM prompts with A/B testing and metric tracking.

4|Updated Feb 12, 2026
One-click install
npx skills add https://github.com/rbaumier/skills --skill prompt-engineering-rbaumier
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: prompt-engineering
Source: https://github.com/rbaumier/skills/tree/main/prompt-engineering
Command: npx skills add https://github.com/rbaumier/skills --skill prompt-engineering-rbaumier

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires numpy, and includes scripts (resource) components.

What problem does it solve?

Prompt engineering tackles the challenge of getting high-quality outputs from LLMs by crafting and refining prompts that guide models to reliable, efficient results.

Core Features & Use Cases

  • Design, optimize, and debug prompts for system prompts, few-shot setups, and prompt templates.
  • Run deterministic testing and validation with A/B testing, metrics, and guardrails to improve reliability.
  • Build reusable prompt libraries and workflows that speed up development across projects.

Quick Start

Run an initial prompt optimization pass on a given prompt and report the best variation.

Frequently Asked Questions about prompt-engineering

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

FAQPage Schema
How do I optimize LLM prompts for better reliability?▼

You can optimize LLM prompts by running automated passes that test variations, apply guardrails, and validate outputs against metrics to improve reliability and efficiency.

Can I run A/B testing on system prompts and few-shot configurations?▼

Yes, A/B testing is supported for system prompts and few-shot configurations, allowing you to track metrics and validate which prompt variations perform best.

What is the best way to reduce token usage in prompt templates?▼

The best way to reduce token usage is applying optimization strategies to prompt templates, which streamlines instructions and supports caching to lower operational overhead.

How do I debug a prompt template that is not working?▼

You can debug a prompt template by running deterministic testing and validation to identify failures, applying guardrails, and refining the instructions to improve output reliability.

Does this prompt optimization tooling require specific dependencies?▼

Yes, the prompt optimization tooling requires the numpy dependency to run its scripts for automated prompt validation and metric tracking.

When do I need to build a reusable prompt library?▼

You need to build a reusable prompt library when managing multiple projects, allowing you to speed up development by standardizing validated system prompts and templates.