architecture-patterns

Implements Python architectural patterns like Clean Architecture and DDD.

4|2|Updated Jan 7, 2026
One-click install
npx skills add https://github.com/3commas-io/commas-claude --skill architecture-patterns-3commas-io
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: architecture-patterns
Source: https://github.com/3commas-io/commas-claude/tree/main/skills/architecture-patterns
Command: npx skills add https://github.com/3commas-io/commas-claude --skill architecture-patterns-3commas-io

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and assets (resource) components.

What problem does it solve?

This Skill helps developers design and implement complex backend systems using proven architectural patterns, leading to more maintainable, testable, and scalable applications.

Core Features & Use Cases

  • Architectural Guidance: Provides in-depth explanations and code examples for Clean Architecture, Hexagonal Architecture, and Domain-Driven Design (DDD).
  • Pattern Implementation: Offers practical code snippets and directory structures for applying these patterns in Python.
  • Use Case: When starting a new microservice, use this Skill to understand and implement the Clean Architecture layers to ensure a well-structured and maintainable codebase from the outset.

Quick Start

Use the architecture-patterns skill to generate a Python project structure following Clean Architecture principles.

Frequently Asked Questions about architecture-patterns

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

FAQPage Schema
How do I implement Clean Architecture layers in a Python backend project?

To implement Clean Architecture in Python, you structure your backend project into distinct layers with specific responsibilities, separating core business logic from external interfaces. This Skill provides directory structures and code examples to establish these maintainable boundaries from the outset.

What is the difference between Hexagonal Architecture and Domain-Driven Design?

Hexagonal Architecture isolates domain logic using port-adapter interactions, while Domain-Driven Design provides strategic and tactical patterns to model complex business domains. This Skill details both approaches, explaining how their combined use creates maintainable, testable backend systems.

When do I need to use Domain-Driven Design patterns for backend development?

You need Domain-Driven Design patterns when designing complex backend systems requiring strict alignment between code and business boundaries. This Skill provides comprehensive guidance on applying strategic and tactical DDD patterns to handle system design complexity and ensure scalable architectures.

How do I structure a Python microservice following Clean Architecture principles?

Structuring a Python microservice with Clean Architecture involves defining clear layer responsibilities and isolating business rules. This Skill generates a Python project structure and practical code snippets that enforce maintainable, testable system boundaries for new microservices.

Does this architecture-patterns guidance provide code examples for port-adapter implementations?

Yes, this architecture-patterns guidance provides practical code examples detailing port-adapter interactions within Hexagonal Architecture. It explains how to structure these components in Python to isolate application core logic from external infrastructure dependencies.

What is the best way to refactor a Python backend to use Hexagonal Architecture?

The best way to refactor a Python backend to Hexagonal Architecture is by defining ports and isolating domain logic from adapters. This Skill addresses refactoring challenges and provides architectural standards to transition your codebase into a maintainable, scalable structure.