solid

Apply SOLID design principles to improve code structure and testability.

6|Updated Jan 14, 2026

Search Tags:#maintenance #software architecture #design principles #coding best practices #solid #object-oriented

Ready to run

npx skills add https://github.com/fellipeutaka/denji --skill solid-fellipeutaka

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: solid
Source: https://github.com/fellipeutaka/denji/tree/main/.agents/skills/solid
Command: npx skills add https://github.com/fellipeutaka/denji --skill solid-fellipeutaka

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Helps software engineers design maintainable, flexible, and scalable code by applying core object-oriented principles.

Core Features & Use Cases

Design Principles: Guides the application of SOLID principles in class, module, and service development.
Architectural Guidance: Provides heuristics and checklists for detecting violations like God classes, tight coupling, and overly broad interfaces.
Use Case: Rewrites complex classes into clean, single-responsibility structures, making codebases easier to extend and test.

Quick Start

Use this skill to understand how applying SOLID principles improves code modularity and maintainability.

Frequently Asked Questions about solid

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

FAQPage Schema

How do I apply SOLID principles to reduce tight coupling in object-oriented code?▼

Applying SOLID principles reduces tight coupling by guiding class and module design to improve code structure and increase testability. It provides heuristics to detect anti-patterns, ensuring adherence to clean coding standards.

What is the best way to refactor a God class into a single-responsibility structure?▼

The best way to refactor a God class is using SOLID design principles to rewrite complex classes into clean, single-responsibility structures. This makes the codebase easier to extend and test while reducing coupling.

How does object-oriented design detect anti-patterns like overly broad interfaces?▼

Object-oriented design detects anti-patterns like overly broad interfaces by providing architectural heuristics and checklists. These guide software engineers in identifying violations and promoting best practices across development projects.

Can I use SOLID principles to improve code modularity for scalable software architecture?▼

Yes, you can use SOLID principles to improve code modularity for scalable software architecture. They facilitate understanding and implementation of design principles that enhance code quality, maintainability, and flexibility.

When do I need SOLID design principles for module development?▼

You need SOLID design principles for module development when targeting class and module design scenarios that require reducing coupling and increasing testability. They help detect anti-patterns and ensure clean coding standards.