solid-principles

Explain SOLID design principles with Python code examples.

1|Updated Dec 30, 2025
One-click install
npx skills add https://github.com/statick88/dotfiles --skill solid-principles-statick88
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: solid-principles
Source: https://github.com/statick88/dotfiles/tree/main/amp/.agents/skills/solid-principles
Command: npx skills add https://github.com/statick88/dotfiles --skill solid-principles-statick88

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the challenges of creating software that is difficult to understand, modify, and scale by providing clear explanations and examples of the SOLID design principles.

Core Features & Use Cases

  • Understand SOLID: Learn the five core principles (SRP, OCP, LSP, ISP, DIP).
  • Identify Violations: Recognize common anti-patterns that break SOLID.
  • Implement Best Practices: See practical code examples for applying SOLID.
  • Use Case: A developer is struggling to add a new feature to an existing system without breaking other parts. By reviewing the OCP and LSP sections, they can refactor their code to be more extensible and stable.

Quick Start

Explain the Single Responsibility Principle with a Python example.

Frequently Asked Questions about solid-principles

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

FAQPage Schema
What are the SOLID design principles in object-oriented programming?

The SOLID design principles are five core concepts—SRP, OCP, LSP, ISP, and DIP—that improve object-oriented code maintainability, scalability, and testability by guiding software architecture.

How do I identify SOLID principle violations in my Python code?

You can identify SOLID principle violations by recognizing common anti-patterns in your Python code, such as classes handling multiple unrelated responsibilities or interfaces forcing dependencies on unused methods, which hinder maintainability.

How do I refactor an existing system to add new features without breaking other parts?

Refactor an existing system by applying the Open/Closed Principle (OCP) and Liskov Substitution Principle (LSP) to make your code extensible and stable, allowing new features without breaking existing functionality.

Can I see Python examples of correct SOLID implementations versus violations?

Yes, the resource provides practical code examples in Python that directly contrast anti-patterns violating SOLID rules with correct implementations, demonstrating how to apply object-oriented design best practices effectively.

When should I apply the Single Responsibility Principle during refactoring?

Apply the Single Responsibility Principle (SRP) during refactoring when a class handles multiple unrelated tasks, causing difficult modifications; splitting it into distinct classes ensures each has only one reason to change.