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swift-architecture — Claude Code skill for Swift architecture

Compare Swift app architecture patterns, inspect state and dependency boundaries, and plan gradual migrations. Use it when designing a feature or reviewing an existing one.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add dpearson2699/swift-ios-skills --skill swift-architecture -a claude-code
Open on GitHub

What swift-architecture does

The skill weighs MV, MVVM, MVI, TCA, Clean Architecture, Coordinator, and VIPER against a feature’s actual needs. It helps map state ownership, dependencies, side effects, and tests before choosing an approach. For a new SwiftUI feature, it starts with MV; a lengthy view alone does not justify a heavier pattern.

For migrations, it recommends pinning down current behavior with tests, then moving one feature boundary or state transition at a time. It also helps decide when responsibilities should move into models, services, or a Coordinator. VIPER is treated as a fit for maintaining established UIKit modules, not as the routine starting point for new SwiftUI work. In Claude Code, the skill is installed at ~/.claude/skills/swift-architecture/SKILL.md.

What it helps with

  • choose an architecture for a new SwiftUI feature
  • make module state ownership and dependencies explicit
  • decide whether MV needs to become MVVM or MVI
  • migrate a feature without changing several boundaries at once
  • spot forwarding layers and objects with too many responsibilities

Example prompts for the agent

  • Review this SwiftUI feature and recommend an architecture based on its state and dependencies.
  • Check who owns state and side effects in this module.
  • Plan a gradual migration of this feature to MV, with a test after each step.

How to install swift-architecture

1Skills CLI (Vercel)

npx skills add dpearson2699/swift-ios-skills --skill swift-architecture -a claude-code

2Manually: put the files in place

~/.claude/skills/swift-architecture/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/swift-architecture/

Step by step, with commands for each platform: How to install skills in Claude Code: five ways

Questions about swift-architecture

How do I install swift-architecture in Claude Code?

Run npx skills add dpearson2699/swift-ios-skills --skill swift-architecture -a claude-code. The skill file is at ~/.claude/skills/swift-architecture/SKILL.md.

What does swift-architecture do?

It helps assess architecture choices for Swift app features and break migrations into smaller steps. Its patterns include MV, MVVM, MVI, TCA, and Clean Architecture.

Which platforms support swift-architecture?

The skill supports Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, and OpenCode.

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