Agent skill

Swift UI Architect

Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps using local SPM package boundaries.

MITAuto-check passedMobile

Install Swift UI Architect

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .claude/skills/swift-ui-architect && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Paste into Claude Code

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .claude/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .agents/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .agents/skills/swift-ui-architect && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .agents/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .cursor/skills/swift-ui-architect && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .cursor/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/pproenca/dot-skills.git --path skills/.experimental/swift-ui-architect

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .gemini/skills/swift-ui-architect && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .gemini/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .github/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .github/skills/swift-ui-architect && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .github/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add pproenca/dot-skills --skill swift-ui-architect -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install pproenca/dot-skills swift-ui-architect --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/pproenca/dot-skills.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/skills/.experimental/swift-ui-architect .opencode/skills/swift-ui-architect && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "swift-ui-architect" agent skill from https://github.com/pproenca/dot-skills/tree/master/skills/.experimental/swift-ui-architect into .opencode/skills/swift-ui-architect/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "swift-ui-architect", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: swift-ui-architect
GitHub stars: 215
Token cost: ~2.5k tokens
SKILL.md length: 746 words
Files: 47 (incl. references, assets)
Skills in repo: 41
Repo updated: Aug 15, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps using local SPM package boundaries.

Works in 8 steps: View Identity & Diffing (CRITICAL) → State Architecture (CRITICAL) → View Composition (HIGH) → …
Refactoring SwiftUI architecture
SKILL.md covers Mandated Architecture Stack, Clinic Architecture Contract…, When to Apply and Non-Negotiable Constraints…, plus 4 more sections
Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Swift UI Architect is an agent skill from pproenca/dot-skills. Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps using local SPM package boundaries. Enforces App-target DependencyContainer + route shells, @Observable ViewModels/coordinators, Domain repository/coordinator/error-routing protocols, Data-owned I/O, stale-while-revalidate reads, and optimistic queued sync. Use when writing, reviewing, or refactoring SwiftUI architecture, navigation, dependency wiring, or repository boundaries.

Its SKILL.md is about 2.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 49 other files, including reference files and assets (for example `assets/templates/_template.md`, `metadata.json` and `references/_sections.md`).

It sits in Mobile, covering iOS development. It works with SwiftUI, Swift and iOS. The repository describes itself as: A collection of AI agent skills following the Agent Skills open format. The licence is MIT.

When your agent uses it

Refactoring SwiftUI architecture
Dependency wiring
Repository boundaries

Example prompts

“/swift-ui-architect”

Workflow steps

8 steps, taken from the step headings in SKILL.md.

View Identity & Diffing (CRITICAL)
State Architecture (CRITICAL)
View Composition (HIGH)
Navigation & Coordination (HIGH)
Layer Architecture (HIGH)
Dependency Injection (MEDIUM-HIGH)
List & Collection Performance (MEDIUM)
Async & Data Flow (MEDIUM)

What it can do on your machine

Read from SKILL.md and the folder at commit cf93c57. It shows what the files ask for, not the result of running them.

Tool permissions
Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.
From allowed-tools in the SKILL.md frontmatter.
Runs code
No scripts in the folder and no shell commands in SKILL.md.
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md.
From URLs in SKILL.md, links to its own repository left out.
Credentials
Names no API keys, tokens, secrets or passwords.
From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Swift UI Architect loads about 2.5k tokens when it runs, and up to ~42k if it reads all its reference files. Until then it costs about 124 tokens; SKILL.md has 746 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~124
When it runs · the whole SKILL.md, loaded when a task matches: ~2.5k
With references · SKILL.md plus every file in references/, read only if the agent opens them: ~42k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from pproenca/dot-skills at commit cf93c57, republished under its MIT licence (© pproenca). 746 words, ~2,525 tokens.

Download SKILL.mdSave it as .claude/skills/swift-ui-architect/SKILL.md (or your agent's skills folder). This skill also uses 46 other files; get the full folder from GitHub.

name: swift-ui-architect
description: Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps using local SPM package boundaries. Enforces App-target `DependencyContainer` + route shells, @Observable ViewModels/coordinators, Domain repository/coordinator/error-routing protocols, Data-owned I/O, stale-while-revalidate reads, and optimistic queued sync. Use when writing, reviewing, or refactoring SwiftUI architecture, navigation, dependency wiring, or repository boundaries.

SwiftUI Modular MVVM-C Architecture

Opinionated architecture enforcement for SwiftUI clinic-style apps. This skill aligns to the iOS 26 / Swift 6.2 clinic architecture: modular MVVM-C in local SPM packages, concrete coordinators and route shells in the App target, pure Domain protocols, and Data as the only I/O layer.

Mandated Architecture Stack

┌───────────────────────────────────────────────────────────────┐
│ App target: DependencyContainer, Coordinators, Route Shells   │
├───────────────┬───────────────┬───────────────┬──────────────┤
│ Feature* SPM  │ Feature* SPM  │ Feature* SPM  │ Feature* SPM │
│ View + VM     │ View + VM     │ View + VM     │ View + VM    │
├───────────────────────────────────────────────────────────────┤
│ Data SPM: repository impls, remote/local, retry, sync queue   │
├───────────────────────────────────────────────────────────────┤
│ Domain SPM: models, repository protocols, coordinator protocols│
│ and ErrorRouting/AppError                                      │
├───────────────────────────────────────────────────────────────┤
│ Shared SPMs: DesignSystem, SharedKit                           │
└───────────────────────────────────────────────────────────────┘

Dependency Rule: Feature modules import Domain + DesignSystem only. Features never import Data or other features. App target is the only convergence point.

Clinic Architecture Contract (iOS 26 / Swift 6.2)

All guidance in this skill assumes the clinic modular MVVM-C architecture:

Feature modules import Domain + DesignSystem only (never Data, never sibling features)
App target is the convergence point and owns DependencyContainer, concrete coordinators, and Route Shell wiring
Domain stays pure Swift and defines models plus repository, *Coordinating, ErrorRouting, and AppError contracts
Data owns SwiftData/network/sync/retry/background I/O and implements Domain protocols
Read/write flow defaults to stale-while-revalidate reads and optimistic queued writes
ViewModels call repository protocols directly (no default use-case/interactor layer)

When to Apply

Reference these guidelines when:

Building or refactoring feature modules under local SPM packages
Wiring coordinators, route shells, and dependency container factories
Defining Domain protocols for repositories, coordinators, and error routing
Enforcing Data-only ownership of networking, persistence, and sync
Reviewing stale-while-revalidate reads and optimistic queued writes

Non-Negotiable Constraints (iOS 26 / Swift 6.2)

@Observable for ViewModels/coordinators, ObservableObject / @Published never
No dedicated use-case/interactor layer: ViewModels call Domain repository protocols directly
Coordinator protocols live in Domain; concrete coordinators own NavigationPath in App target
Route shells live in App target and own .navigationDestination mapping
AppError + ErrorRouting drive presentation policy; ViewModels do not hardcode global error UI
SwiftData / URLSession / retry / sync queue logic stays in Data package only

Rule Categories by Priority

Priority	Category	Impact	Prefix	Rules
1	View Identity & Diffing	CRITICAL	`diff-`	6
2	State Architecture	CRITICAL	`state-`	7
3	View Composition	HIGH	`view-`	6
4	Navigation & Coordination	HIGH	`nav-`	5
5	Layer Architecture	HIGH	`layer-`	6
6	Dependency Injection	MEDIUM-HIGH	`di-`	4
7	List & Collection Performance	MEDIUM	`list-`	4
8	Async & Data Flow	MEDIUM	`data-`	5

Quick Reference

1. View Identity & Diffing (CRITICAL)

diff-equatable-views - Apply @Equatable macro to every SwiftUI view
diff-closure-skip - Use @SkipEquatable for closure/handler properties
diff-reference-types - Never store reference types without Equatable conformance
diff-identity-stability - Use stable O(1) identifiers in ForEach
diff-avoid-anyview - Never use AnyView — use @ViewBuilder or generics
diff-printchanges-debug - Use _printChanges() to diagnose unnecessary re-renders

2. State Architecture (CRITICAL)

state-observable-class - Use @Observable classes for all ViewModels
state-ownership - @State for owned data, plain property for injected data
state-single-source - One source of truth per piece of state
state-scoped-observation - Leverage @Observable property-level tracking
state-binding-minimal - Pass @Binding only for two-way data flow
state-environment-global - Use @Environment for app-wide shared dependencies
state-no-published - Never use @Published or ObservableObject

Show full SKILL.md (307 more words)Show less

3. View Composition (HIGH)

view-body-complexity - Maximum 10 nodes in view body
view-extract-subviews - Extract computed properties/helpers into separate View structs
view-no-logic-in-body - Zero business logic in body
view-minimal-dependencies - Pass only needed properties, not entire models
view-viewbuilder-composition - Use @ViewBuilder for conditional composition
view-no-init-sideeffects - Never perform work in View init

nav-coordinator-pattern - Every feature has a coordinator owning NavigationStack
nav-routes-enum - Define all routes as a Hashable enum
nav-deeplink-support - Coordinators must support URL-based deep linking
nav-modal-sheets - Present modals via coordinator, not inline
nav-no-navigationlink - Never use NavigationLink(destination:) — use navigationDestination(for:)

5. Layer Architecture (HIGH)

layer-dependency-rule - Domain layer has zero framework imports
layer-usecase-protocol - Do not add a use-case layer; keep orchestration in ViewModel + repository protocols
layer-repository-protocol - Repository protocols in Domain, implementations in Data
layer-model-value-types - Domain models are structs, never classes
layer-no-view-repository - Views never access repositories directly; ViewModel calls repository protocols
layer-viewmodel-boundary - ViewModels expose display-ready state only

6. Dependency Injection (MEDIUM-HIGH)

di-environment-injection - Inject container-managed protocol dependencies via @Environment
di-protocol-abstraction - All injected dependencies are protocol types
di-container-composition - Compose DependencyContainer in App target and expose VM factories
di-mock-testing - Every protocol dependency has a mock for testing

7. List & Collection Performance (MEDIUM)

list-constant-viewcount - ForEach must produce constant view count per element
list-filter-in-model - Filter/sort in ViewModel, never inside ForEach
list-lazy-stacks - Use LazyVStack/LazyHStack for unbounded content
list-id-keypath - Provide explicit id keyPath — never rely on implicit identity

8. Async & Data Flow (MEDIUM)

data-task-modifier - Use .task(id:) as the primary feature data-loading trigger
data-async-init - Never perform async work in init
data-error-loadable - Model loading states as enum, not booleans
data-combine-avoid - Prefer async/await over Combine for new code
data-cancellation - Use .task automatic cancellation — never manage Tasks manually

How to Use

Read individual reference files for detailed explanations and code examples:

Section definitions - Category structure and impact levels
Rule template - Template for adding new rules

Reference Files

File	Description
references/_sections.md	Category definitions and ordering
assets/templates/_template.md	Template for new rules
metadata.json	Version and reference information

Files

SKILL.md and 46 other files (references, assets) in skills/.experimental/swift-ui-architect of pproenca/dot-skills.

SKILL.md
assets/templates/_template.md
metadata.json
references/_sections.md
references/data-async-init.md
references/data-cancellation.md
references/data-combine-avoid.md
references/data-error-loadable.md
references/data-task-modifier.md
references/di-container-composition.md
references/di-environment-injection.md
references/di-mock-testing.md
references/di-protocol-abstraction.md
references/diff-avoid-anyview.md
references/diff-closure-skip.md
references/diff-equatable-views.md
references/diff-identity-stability.md
references/diff-printchanges-debug.md
… and 29 more

Open the folder on GitHubat commit cf93c57

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Questions about Swift UI Architect

What does Swift UI Architect do?

Opinionated SwiftUI architecture enforcement for iOS 26 / Swift 6.2 clinic modular MVVM-C apps using local SPM package boundaries. Swift UI Architect is an agent skill from pproenca/dot-skills.2 clinic modular MVVM-C apps using local SPM package boundaries.

When should I use Swift UI Architect?

Swift UI Architect fits situations like: refactoring SwiftUI architecture; dependency wiring; repository boundaries.

How do I install Swift UI Architect in Claude Code?

Run `npx skills add pproenca/dot-skills --skill swift-ui-architect -a claude-code`. Or copy the skill folder (skills/.experimental/swift-ui-architect in pproenca/dot-skills) into .claude/skills/swift-ui-architect in your project. Claude Code loads it when a task matches its description.

How do I install Swift UI Architect in Codex?

Run `npx skills add pproenca/dot-skills --skill swift-ui-architect -a codex`. Or copy the skill folder (skills/.experimental/swift-ui-architect in pproenca/dot-skills) into .agents/skills/swift-ui-architect in your project. Codex loads it when a task matches its description.

Can I use Swift UI Architect in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add pproenca/dot-skills --skill swift-ui-architect -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/swift-ui-architect, .gemini/skills/swift-ui-architect, .github/skills/swift-ui-architect and .opencode/skills/swift-ui-architect in your project.

What does Swift UI Architect need to run?

SKILL.md names no scripts, command-line tools or credentials: Swift UI Architect is instructions for the agent only.

Does Swift UI Architect access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Swift UI Architect safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Swift UI Architect use?

Swift UI Architect is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Swift UI Architect use?

About 2.5k tokens (SKILL.md is roughly 10k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 40k tokens, read only when the agent opens those files.

What are the alternatives to Swift UI Architect?

Skills that share tags, products or a category with Swift UI Architect: Swiftui Expert Skill (AFK-surf/OpenBridge, 430 stars), Swiftui Animation (AstraFoundry/KumoApp, 290 stars), Snapshot Tests (microsoft/SwiftStreamingMarkdown, 378 stars) and Bootstrap iOS (RayFernando1337/rayfernando-skills, 130 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Swift UI Architect?

pproenca (a GitHub user) maintains it in pproenca/dot-skills, which has 215 GitHub stars. The repository holds 41 skills in this directory. The repository was last updated on August 15, 2026.

Source: pproenca/dot-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Swift UI Architect

Facts

At a glance

What it does

When your agent uses it

Example prompts

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

SwiftUI Modular MVVM-C Architecture

Mandated Architecture Stack

Clinic Architecture Contract (iOS 26 / Swift 6.2)

When to Apply

Non-Negotiable Constraints (iOS 26 / Swift 6.2)

Rule Categories by Priority

Quick Reference

1. View Identity & Diffing (CRITICAL)

2. State Architecture (CRITICAL)

3. View Composition (HIGH)

4. Navigation & Coordination (HIGH)

5. Layer Architecture (HIGH)

6. Dependency Injection (MEDIUM-HIGH)

7. List & Collection Performance (MEDIUM)

8. Async & Data Flow (MEDIUM)

How to Use

Reference Files

Files

Compare with similar skills

Similar skills

More from pproenca/dot-skills

Related

Questions about Swift UI Architect