solid

Enforce SOLID, TDD, and clean-code practices across software projects.

4|Updated Feb 6, 2026

Search Tags:#tdd #architecture #refactoring #design-principles #solid #software-engineering #clean-code

Ready to run

npx skills add https://github.com/TTAWDTT/Aelin --skill solid-ttawdtt

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: solid
Source: https://github.com/TTAWDTT/Aelin/tree/main/backend/deepagents_skills/solid
Command: npx skills add https://github.com/TTAWDTT/Aelin --skill solid-ttawdtt

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

The Solid Skill guides developers to elevate code quality by applying SOLID principles, TDD, and clean-code practices, transforming junior-level implementations into production-grade software.

Core Features & Use Cases

Enforces SRP, OCP, LSP, ISP, and DIP across modules to improve maintainability and testability.
Provides a structured approach to TDD with a rule-based workflow and design considerations.
Useful for code reviews, architecture planning, refactoring, and new feature development in any software project.

Quick Start

Start a TDD workflow: write a failing test that captures a simple behavior, implement just enough production code to pass, then refactor for clarity 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 when refactoring code to improve maintainability?▼

To apply SOLID principles during refactoring, enforce SRP, OCP, LSP, ISP, and DIP across your modules to reduce coupling and improve testability. This structured approach transforms junior-level implementations into robust, maintainable systems.

What is the best way to start a test-driven development workflow for a new feature?▼

Start a TDD workflow by writing a failing test that captures a simple behavior, implement just enough production code to pass the test, then refactor for clarity and maintainability to ensure clean-code practices and disciplined design.

Can I use clean-code practices for architecture planning and code reviews?▼

Yes, you can use clean-code practices for architecture planning, code reviews, refactoring, and new feature development. Enforcing SOLID adherence and maintainable code produces robust, disciplined software designs across any project.

When do I need to enforce TDD and design principles in software engineering?▼

You need to enforce TDD and design principles when elevating junior code to senior quality. This streamlines professional software development by ensuring testability, SOLID adherence, and maintainable code across your software projects.

Why does my refactored code still lack testability and maintainability?▼

Your refactored code may lack testability if SOLID principles like DIP and SRP are not properly enforced across modules. Applying a structured TDD workflow ensures disciplined design and produces robust, maintainable systems.