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.