What is the Prompt Engineer skill for Claude Code?

It is a specialized capability that helps you design, optimize, and evaluate prompts for LLM applications with professional engineering rigor.

Does it provide security best practices?

Yes, the skill includes guidance on defending against prompt injection and handling untrusted user input within AI workflows.

Can this skill help with output formatting?

Yes, it provides specific guidance on defining explicit output structures and constraints to ensure consistent model responses for downstream processing.

How does this skill improve AI reliability?

By implementing structured patterns like Chain-of-Thought and few-shot examples, it ensures models follow complex instructions more accurately and consistently.

Prompt Engineer

Name: Prompt Engineer
Author: claudiodearaujo

byclaudiodearaujo

0•

Data Science & ML

Designs and optimizes high-performance prompts to ensure LLM-powered applications follow instructions with precision and consistency.

The Prompt Engineer skill equips Claude with the specialized expertise needed to architect sophisticated instructions for LLM-powered applications. By treating prompts with the same rigor as code, this skill helps developers implement structured system prompts, few-shot learning patterns, and chain-of-thought reasoning to improve model reliability. It is particularly useful for debugging model failures, managing context windows, and defining precise output formats for complex automated workflows, ensuring that intent is accurately translated into executable instructions.

Key Features

01Few-shot example generation and edge-case handling

02Prompt evaluation and systematic iteration

03Context window and token management

04System prompt architecture and structured design

05Chain-of-thought reasoning implementation

060 GitHub stars

Use Cases

01Improving model adherence to complex JSON or markdown output formats

02Designing robust system instructions for an AI agent's core logic

03Reducing hallucinations by implementing reasoning steps and negative constraints

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add claudiodearaujo/izacenter prompt-engineer

For use in Claude.ai and ChatGPT

Download Skill