solid-principles

Apply SOLID principles to .NET projects with corrective C# patterns.

4|1|Updated Dec 29, 2025
One-click install
npx skills add https://github.com/DoubleslashSE/claude-marketplace --skill solid-principles-doubleslashse
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: solid-principles
Source: https://github.com/DoubleslashSE/claude-marketplace/tree/main/Plugins/dotnet-tdd/skills/solid-principles
Command: npx skills add https://github.com/DoubleslashSE/claude-marketplace --skill solid-principles-doubleslashse

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

SOLID principles provide a blueprint for building maintainable, testable, and extensible .NET code by guiding design decisions.

Core Features & Use Cases

  • Principle-by-principle guidance on SRP, OCP, LSP, ISP, and DIP with practical examples.
  • Refactoring help: identify violations in existing code and apply corrective patterns.
  • Real-world scenarios: design domain models, services, and libraries for backend applications.

Quick Start

Start by reading through each principle and apply the suggested patterns to a sample .NET project to progressively improve structure and testability.

Frequently Asked Questions about solid-principles

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

FAQPage Schema
How do I refactor existing C# code to fix SOLID principle violations?

To refactor C# code for SOLID compliance, identify specific principle violations and apply corrective design patterns. This process transforms rigid backend services into maintainable and testable structures using practical examples.

What is the best way to apply SOLID design principles in .NET backend services?

Applying SOLID design principles in .NET involves using SRP, OCP, LSP, ISP, and DIP to guide structural decisions. This blueprint produces extensible domain models and backend libraries that are easier to test and maintain.

How do SOLID principles improve .NET code quality and testability?

SOLID principles improve .NET code quality by enforcing separation of concerns and dependency inversion. Following these design patterns yields highly testable, extensible code architectures that reduce regression risks during refactoring.

Can I use SOLID principles to design domain models and libraries for .NET applications?

Yes, you can use SOLID principles to design .NET domain models and libraries. They provide real-world scenarios and structural guidance to ensure your backend service components remain extensible and maintainable.

When do I need the Liskov Substitution Principle for refactoring dotnet libraries?

You need the Liskov Substitution Principle when refactoring dotnet libraries to ensure derived classes do not alter base class behavior unexpectedly. Corrective patterns validate adherence and prevent architectural violations in your services.

Does this SOLID guidance cover all five principles with practical C# examples?

Yes, this SOLID guidance covers all five principles with practical C# examples. It validates adherence across SRP, OCP, LSP, ISP, and DIP by providing corrective design patterns and real-world backend scenarios.