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principle-ddd

Design domain models with bounded contexts and ubiquitous language.

2|8|Updated Apr 20, 2026
Search Tags:#ddd#bounded context#ubiquitous language#repository pattern#domain events#anti-corruption layer#aggregate modeling
One-click install
npx skills add https://github.com/lugassawan/swe-workbench --skill principle-ddd
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: principle-ddd
Source: https://github.com/lugassawan/swe-workbench/tree/main/skills/principle-ddd
Command: npx skills add https://github.com/lugassawan/swe-workbench --skill principle-ddd

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Domain-Driven Design (DDD) solves the problem of inconsistent business language and tangled models that make complex systems hard to evolve by aligning code structure with real domain concepts.

Core Features & Use Cases

  • Ubiquitous language: Ensures code terms match what domain experts use to avoid “translation tax” across teams and modules.
  • Bounded contexts and context maps: Defines where each term has one meaning, and documents how contexts relate to prevent accidental coupling.
  • Tactical building blocks: Uses entities, value objects, aggregates, repositories, and domain events to enforce invariants and coordinate change safely within consistency boundaries.
  • Use case: When you’re splitting a monolith into services, deciding aggregate boundaries, or handling cross-domain workflows triggered by meaningful business events.

Quick Start

Ask an AI to help you design bounded contexts and aggregate rules for your domain so that each concept has a single meaning and changes are coordinated via domain events.

Frequently Asked Questions about principle-ddd

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

FAQPage Schema
How do I define bounded contexts and aggregate boundaries when splitting a monolith?▼

Ubiquitous language aligns code terminology with domain expert vocabulary, eliminating the translation tax across teams. This keeps domain models consistent with evolving business terminology and prevents tangled modules in complex systems.

What is the best way to coordinate cross-domain workflows triggered by business events?▼

Domain events coordinate cross-domain workflows by capturing meaningful business occurrences and routing them across bounded contexts. Combined with an anti-corruption layer, this strategy prevents external models from corrupting your core domain during integration.

How do I model aggregates and repositories to enforce business rules consistently?▼

Modeling aggregates involves grouping entities and value objects into consistency boundaries where invariants are strictly enforced. Repositories then handle persistence for these aggregate roots, ensuring data integrity and coordinating safe state transitions.

When should I use an anti-corruption layer to prevent model coupling?▼

An anti-corruption layer is needed when integrating with external systems or legacy modules to prevent their models from corrupting your bounded context. It isolates external terminology and rules, keeping your ubiquitous language and domain logic pristine.

Does domain-driven design work for complex domains with constantly evolving business rules?▼

Domain-driven design is specifically built for complex domains with evolving business rules. By aligning code structure with real domain concepts and using tactical building blocks, it ensures systems remain maintainable and adaptable as terminology changes.

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