golang-design-patterns

Refactors Go code by detecting code smells and applying design patterns.

16|2|Updated Jan 21, 2026

Search Tags:#refactoring #design patterns #clean code #maintainability #go #code smells

Ready to run

npx skills add https://github.com/saifoelloh/golang-best-practices-skill --skill golang-design-patterns

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: golang-design-patterns
Source: https://github.com/saifoelloh/golang-best-practices-skill/tree/main/design-patterns
Command: npx skills add https://github.com/saifoelloh/golang-best-practices-skill --skill golang-design-patterns

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses code complexity and maintainability issues in Go by identifying and refactoring code smells, and applying established design patterns to improve code structure and readability.

Core Features & Use Cases

Code Smell Detection: Identifies anti-patterns like God Objects, long parameter lists, and primitive obsession.
Refactoring Guidance: Provides specific refactoring strategies such as Extract Method, Introduce Parameter Object, and replacing type switches with the Strategy pattern.
Design Pattern Application: Guides the application of patterns like Builder, Factory, and Decorator to enhance Go code.
Use Case: You have a large, complex Go function that is difficult to understand and test. This Skill can help you break it down into smaller, more manageable methods and apply a suitable design pattern to improve its structure.

Quick Start

Use the golang-design-patterns skill to refactor the provided Go code for better maintainability.

Frequently Asked Questions about golang-design-patterns

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

FAQPage Schema

How do I refactor Go code to fix a God Object with too many responsibilities?▼

To refactor Go code with a God Object, you can apply design patterns like Builder or Factory to split responsibilities, extract methods, and introduce parameter objects for better structure and maintainability.

What is the best way to handle long parameter lists in Go functions?▼

The best way to handle long parameter lists in Go functions is to introduce a parameter object or apply the Builder pattern, grouping related parameters together to improve code readability and reduce complexity.

How does the Strategy pattern improve Go code testability and maintainability?▼

The Strategy pattern improves Go code testability by replacing cumbersome type switches with isolated, interchangeable algorithm implementations, reducing code smells and making individual components easier to test and maintain.

When should I apply design patterns like Factory or Decorator in Go refactoring?▼

You should apply design patterns like Factory or Decorator in Go refactoring when identifying code smells such as primitive obsession or complex object creation, aiming to enhance code structure and readability.

Can I use automated refactoring techniques to break down a large complex Go function?▼

Yes, you can use refactoring techniques like Extract Method to break down a large complex Go function into smaller, manageable methods, then apply suitable design patterns to improve its overall structure and testability.