Architecture Patterns

The architecture-patterns skill provides guidance for implementing proven backend design patterns—including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design—to create maintainable and testable systems. It is for backend engineers designing new microservices, refactoring monolithic applications, or debugging architectural problems like dependency cycles and entangled business logic. The skill solves the problem of building scalable systems with clear separation of concerns, testable code that doesn't require external dependencies, and well-defined boundaries between application layers.

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last updated: Aug 21, 2026

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$ npx -y skills add wshobson/agents --skill architecture-patterns --agent claude-code

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Architecture Patterns

Master proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design to build maintainable, testable, and scalable systems.

Given: a service boundary or module to architect. Produces: layered structure with clear dependency rules, interface definitions, and test boundaries.

When to Use This Skill

Designing new backend services or microservices from scratch
Refactoring monolithic applications where business logic is entangled with ORM models or HTTP concerns
Establishing bounded contexts before splitting a system into services
Debugging dependency cycles where infrastructure code bleeds into the domain layer
Creating testable codebases where use-case tests do not require a running database
Implementing domain-driven design tactical patterns (aggregates, value objects, domain events)