Can this skill help with legacy code refactoring?

Yes, it is specifically designed to help identify tight coupling and 'shotgun surgery' anti-patterns in legacy systems, providing actionable steps to move toward a more modular design.

Does this skill help avoid over-engineering?

Yes, the skill includes guidance on anti-patterns, warning against dogmatic application of principles where simple code would suffice, following YAGNI (You Ain't Gonna Need It) logic.

Is this skill restricted to specific programming languages?

While SOLID principles are most commonly applied to object-oriented languages like Java, C#, TypeScript, and Python, the logic and architectural guidance are applicable to any language supporting abstractions.

SOLID Design Principles

Name: SOLID Design Principles
Author: lev-os

bylev-os

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Implements foundational object-oriented design principles to create maintainable, flexible, and modular software architectures.

The SOLID Design Principles skill empowers Claude to apply the five essential rules of object-oriented design—Single Responsibility, Open-Closed, Liskov Substitution, Interface Segregation, and Dependency Inversion—directly to your development workflow. By guiding Claude to evaluate class structures and module boundaries, this skill helps reduce technical debt, minimize tight coupling, and ensure your software remains adaptable to evolving requirements. It is an indispensable tool for refactoring legacy code, conducting architectural reviews, and establishing high-quality design patterns in new projects.

主な機能

01Automated identification of SRP violations and class responsibility splitting

02Polymorphic refactoring to satisfy the Open-Closed Principle

030 GitHub stars

04Dependency Inversion implementation to decouple high-level logic from implementation details

05Interface optimization to eliminate forced dependencies via ISP

06Inheritance hierarchy validation using Liskov Substitution standards

ユースケース

01Refactoring monolithic classes into modular, testable components

02Designing extensible plugin architectures that allow new features without modifying core code

03Auditing existing codebases for design anti-patterns like 'shotgun surgery'

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add lev-os/agents solid-principles

For use in Claude.ai and ChatGPT

Download Skill