architecture-patterns

Implement proven backend architecture patterns including Clean Architecture, Hexagonal Architecture, and Domain-Driven Design. Use when architecting complex backend systems or refactoring existing ...

1.17x

Quality

62%

Does it follow best practices?

Impact

94%

1.17x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Optimize this skill with Tessl

npx tessl skill review --optimize ./skills/antigravity-architecture-patterns/SKILL.md

Evaluation results

86%

15%

Inventory Management Backend — Architecture Design

Clean Architecture structure and dependency rules

Criteria

Without context

With context

Standard directory structure

60%

70%

Domain interfaces directory

100%

No framework imports in domain

100%

Dependencies point inward

70%

100%

Rich domain model

100%

Thin controller

90%

100%

Use case orchestrates via interface

100%

Repository entity mapping

25%

37%

Test independence

100%

README describes dependency direction

66%

100%

Value objects in domain

16%

Without context: $0.8451 · 2m 47s · 42 turns · 87 in / 11,856 out tokens

With context: $1.1659 · 3m 30s · 51 turns · 48 in / 14,584 out tokens

100%

Multi-Channel Notification Service — Architecture Design

Hexagonal Architecture ports and adapters

Criteria

Without context

With context

Distinct ports directory

100%

Ports are abstract interfaces

100%

Focused single-channel interfaces

62%

100%

Core depends only on ports

100%

No framework imports in core

100%

Concrete adapter implements port

100%

Mock adapter for testing

100%

Test uses mock adapter

100%

Thin entry-point

100%

README explains ports vs adapters

100%

Adapters in separate directory

100%

Without context: $1.1673 · 3m 59s · 48 turns · 48 in / 18,343 out tokens

With context: $1.4128 · 4m 38s · 50 turns · 297 in / 19,698 out tokens

96%

24%

E-Commerce Order Fulfillment — Domain Model and Resilient Workflow

DDD tactical patterns and durable execution for failure-prone workflows

Criteria

Without context

With context

Value object is immutable

100%

Value object validates itself

100%

Aggregate enforces invariants

100%

Aggregate stores related IDs

100%

Domain events on state change

100%

Repository publishes and clears events

50%

Rich entity behavior

100%

DBOS workflow decorator

100%

DBOS step decorators

100%

Abstract repository interface

100%

README explains aggregate design

100%

No framework imports in domain

100%

Domain events are dataclasses

100%

Without context: $1.4236 · 5m 3s · 44 turns · 50 in / 22,802 out tokens

With context: $1.8256 · 5m 54s · 55 turns · 60 in / 23,922 out tokens

Repository: boisenoise/skills-collections
Commit: 5c5ae21

Evaluated: 16 days ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Inventory Management Backend — Architecture Design Multi-Channel Notification Service — Architecture Design E-Commerce Order Fulfillment — Domain Model and Resilient Workflow

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