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AymanKastali
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domain-driven-design

Align software models with business domains using Domain-Driven Design principles.

Updated Feb 24, 2026
Search Tags:#architecture#ddd#domain-driven-design#aggregates#ubiquitous-language#bounded-contexts#domain-events
One-click install
npx skills add https://github.com/AymanKastali/pydentity --skill domain-driven-design-aymankastali
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: domain-driven-design
Source: https://github.com/AymanKastali/pydentity/tree/main/.claude/skills/domain-driven-design
Command: npx skills add https://github.com/AymanKastali/pydentity --skill domain-driven-design-aymankastali

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Domain complexity often outpaces team communication, causing misaligned models, inconsistent terminology, and fragile boundaries. This skill provides a comprehensive blueprint for designing software around business domains using Domain-Driven Design, unifying language, and establishing bounded contexts to improve maintainability and collaboration.

Core Features & Use Cases

  • Ubiquitous Language enforcement across code and conversations to prevent vocabulary drift.
  • Tactical building blocks: Aggregates, Entities, Value Objects, Domain Events, Factories, Repositories, and Specifications to model invariants and intent.
  • Strategic design: Bounded Contexts, Context Maps, Subdomains classification (Core, Supporting, Generic), and ACLs to protect context boundaries.
  • Layered architecture guidance and DIP-aligned boundaries to enable testable domains and swappable infrastructure.
  • Use cases include designing a new domain, reviewing modules for language consistency, and refactoring to introduce explicit boundaries in existing systems.

Quick Start

Configure your project by mapping core domain concepts to aggregates and value objects, define bounded contexts, and draft a context map guided by Evans' DDD framework.

Frequently Asked Questions about domain-driven-design

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

FAQPage Schema
How do I align software models with business domain language using Domain-Driven Design?▼

To align software models using Domain-Driven Design, enforce a ubiquitous language across code and conversations, define bounded contexts to establish explicit boundaries, and map core domain concepts to tactical building blocks like aggregates and value objects.

What is the best way to isolate a domain layer from infrastructure and UI frameworks?▼

The best way to isolate a domain layer is by applying DIP-aligned boundaries and layered architecture guidance, ensuring the domain remains free of infrastructure, UI, and external frameworks by using repository interfaces and domain events.

When do I need bounded contexts and ubiquitous language in software architecture?▼

You need bounded contexts and ubiquitous language when domain complexity outpaces team communication, causing misaligned models and inconsistent terminology, particularly in complex problem spaces requiring strategic design and subdomain classification.

Can I use aggregates and domain events to refactor existing systems for explicit boundaries?▼

Yes, you can refactor existing systems by introducing explicit boundaries through tactical building blocks like aggregates, entities, value objects, and domain events, alongside strategic context maps and ACLs to protect context boundaries.

Does Domain-Driven Design work for reviewing modules and ensuring vocabulary consistency?▼

Domain-Driven Design works for reviewing modules by enforcing ubiquitous language consistency across code and conversations, classifying subdomains into core, supporting, or generic categories, and preventing vocabulary drift within bounded contexts.

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