prompt-engineer

Designs LLM prompts for chain-of-thought, few-shot learning, and structured output generation.

1|Updated Mar 2, 2026
One-click install
npx skills add https://github.com/0xMerl99/FangAI --skill prompt-engineer-0xmerl99
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: prompt-engineer
Source: https://github.com/0xMerl99/FangAI/tree/main/crates/openfang-skills/bundled/prompt-engineer
Command: npx skills add https://github.com/0xMerl99/FangAI --skill prompt-engineer-0xmerl99

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps users create more effective prompts for Large Language Models (LLMs) by leveraging advanced techniques and avoiding common pitfalls, leading to more accurate, reliable, and cost-efficient outputs.

Core Features & Use Cases

  • Prompt Optimization: Designs prompts for chain-of-thought reasoning, few-shot learning, and structured output generation.
  • LLM Behavior Understanding: Provides insights into tokenization, context window management, and model-specific prompt tuning.
  • Use Case: A developer needs to generate consistent JSON output from an LLM for a new API. They can use this Skill to craft a prompt that specifies a JSON schema and provides few-shot examples, ensuring reliable parsing.

Quick Start

Use the prompt-engineer skill to generate a prompt for summarizing technical documents.

Frequently Asked Questions about prompt-engineer

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

FAQPage Schema
What is the best way to get consistent JSON output from an LLM?

The best way to achieve consistent JSON output from an LLM is to use structured output prompting. This involves explicitly specifying a JSON schema within your prompt and providing few-shot examples to ensure reliable parsing and controlled output characteristics.

How do I use few-shot learning and chain-of-thought reasoning together in prompt engineering?

To combine few-shot learning and chain-of-thought reasoning in prompt engineering, you provide examples that explicitly break down the intermediate reasoning steps. This guides the LLM to follow a logical decomposition process before generating the final answer.

Why does my LLM prompt produce inconsistent results across different model families?

LLM prompts produce inconsistent results across model families due to variations in tokenization and context window limits. Applying model-specific prompt tuning, role-task-format structuring, and self-consistency techniques helps mitigate these common prompting pitfalls.

How can I optimize prompt reliability and cost-efficiency for large language models?

You can optimize prompt reliability and cost-efficiency by applying advanced techniques like prompt decomposition and role-task-format structuring. These methods ensure precise instruction following while managing context windows effectively to reduce token usage.

When do I need to use prompt decomposition for LLM optimization?

You need prompt decomposition for LLM optimization when facing complex tasks that exceed the model's reliable instruction following capabilities. Breaking down instructions into smaller, manageable steps improves reproducibility and avoids common prompting pitfalls.