prompt-engineer

Design and optimize prompts with structured schemas and evaluation frameworks.

3|2|Updated Feb 27, 2026
One-click install
npx skills add https://github.com/grasberg/sofia --skill prompt-engineer-grasberg
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prompt-engineer
Source: https://github.com/grasberg/sofia/tree/main/workspace/skills/prompt-engineer
Command: npx skills add https://github.com/grasberg/sofia --skill prompt-engineer-grasberg

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Prompt engineers need a structured approach to design, test, and iterate prompts for diverse AI tasks, ensuring consistent outputs and reducing brittleness.

Core Features & Use Cases

  • System prompt design for clear role, constraints, and output expectations.
  • Few-shot and evaluation frameworks to measure prompt quality, reliability, and safety across models.
  • Guardrails and templates including output schemas, error handling, and strategy for prompt injection defense.
  • Use Case: Enable product teams to rapidly prototype prompts for chat assistants, autonomous agents, and automated workflows with measurable improvements.

Quick Start

Create a prompt design plan, write a system prompt, and run a quick evaluation suite to see how the assistant responds to a representative task.

Frequently Asked Questions about prompt-engineer

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

FAQPage Schema
How do I design system prompts for consistent AI outputs?

To design system prompts for consistent AI outputs, define clear roles, constraints, and output expectations. Using few-shot configurations and structured output schemas helps reduce brittleness and ensures reproducible results across diverse model tasks.

What is the best way to evaluate prompt quality and reliability across LLMs?

The best way to evaluate prompt quality and reliability across LLMs is to run a structured evaluation suite. This involves testing prompts against representative tasks using evaluation rubrics to measure consistency, safety, and performance before deployment.

How do I set up guardrails for prompt injection defense?

Setting up guardrails for prompt injection defense involves creating templates with error handling and specific safety constraints. You define structured output schemas and apply defensive strategies to prevent malicious inputs from manipulating model behavior.

Can I use few-shot configurations to improve prompt engineering for autonomous agents?

Yes, you can use few-shot configurations to improve prompt engineering for autonomous agents. By providing representative examples within the prompt, you establish clear output patterns that help automated workflows maintain measurable improvements and reliability.

Why does my AI prompt produce inconsistent outputs in automated workflows?

Your AI prompt produces inconsistent outputs in automated workflows due to brittleness from unstructured design. Implementing structured output schemas, evaluation frameworks, and clear system constraints ensures reliable, reproducible responses across different model tasks.

Do I need structured output schemas to test prompts for chat assistants?

You need structured output schemas to test prompts for chat assistants because they enforce expected formats and reduce variability. Combining schemas with testing pipelines and guardrails ensures safety and reproducibility during rapid prototyping.