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Agent skill

Swift Swiftui

by HoangNguyen0403 in HoangNguyen0403/agent-skills-standard

Configure SwiftUI state, view lifecycle, and Property Wrappers correctly.

MITAuto-check passedMobile

Install Swift Swiftui

skills CLI
$ npx skills add HoangNguyen0403/agent-skills-standard --skill swift-swiftui -a claude-code

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

GitHub CLI
$ gh skill install HoangNguyen0403/agent-skills-standard swift-swiftui --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/HoangNguyen0403/agent-skills-standard.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/swift/swift-swiftui .claude/skills/swift-swiftui && 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/

Facts

Skill name
swift-swiftui
GitHub stars
572
Token cost
~527 tokens
SKILL.md length
208 words
Files
3 (incl. references)
Skills in repo
211
Repo updated
First seen
Licence
MIT

At a glance

Configure SwiftUI state, view lifecycle, and Property Wrappers correctly.

  • Managing SwiftUI state
  • SKILL.md covers Priority: P0 (CRITICAL), Implementation Guidelines, Anti-Patterns and References, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md
  • Property wrappers like @State and @Binding

What it does

Swift Swiftui is an agent skill from HoangNguyen0403/agent-skills-standard. Configure SwiftUI state, view lifecycle, and Property Wrappers correctly. Use when managing SwiftUI state, view lifecycle, or property wrappers like @State and @Binding.

Its SKILL.md is about 530 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `evals/evals.json` and `references/implementation.md`).

It sits in Mobile, covering iOS development. It works with SwiftUI. The repository describes itself as: A collection of Agent Skills Standard and Best Practice for Programming Languages, Frameworks that help our AI Agent follow best practies on frameworks and programming laguages. The licence is MIT.

When your agent uses it

  • Managing SwiftUI state
  • Property wrappers like @State and @Binding

Example prompts

  • “/swift-swiftui”

What it can do on your machine

Read from SKILL.md and the folder at commit b529c2d. 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 Swiftui loads about 527 tokens when it runs, and up to ~1.1k if it reads all its reference files. Until then it costs about 46 tokens; SKILL.md has 208 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~46
When it runs · the whole SKILL.md, loaded when a task matches
~527
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.1k

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 HoangNguyen0403/agent-skills-standard at commit b529c2d, republished under its MIT licence (© HoangNguyen0403). 208 words, ~527 tokens.

Download SKILL.mdSave it as .claude/skills/swift-swiftui/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.
name
swift-swiftui
description
Configure SwiftUI state, view lifecycle, and Property Wrappers correctly. Use when managing SwiftUI state, view lifecycle, or property wrappers like @State and @Binding.

SwiftUI Standards

Priority: P0 (CRITICAL)

Implementation Guidelines

State Management
  • @State: @State for data owned by view (e.g., toggle, text input). Private.
  • @Binding: @Binding for data passed down from parent to child. Two-way.
  • @ObservedObject: @ObservedObject when receiving instance from external source.
  • @StateObject: @StateObject when the view is creating the object instance — view owns lifecycle.
  • @EnvironmentObject: @EnvironmentObject to inject data into the view's hierarchy via .environmentObject(). Shared across view hierarchy.
View Composition
  • Extract Subviews: Views < 200 lines. Extract reusable components.
  • View Modifiers: Chain modifiers for styling (.font(), .padding()).
  • Custom Modifiers: Create ViewModifier for reusable styles.
Performance
  • Avoid Heavy Computation: Use @State + .task() for async work.
  • Equatable: Conform views to Equatable to prevent unnecessary re-renders.
  • LazyStacks: LazyVStack/LazyHStack when displaying large number of views in scrolling container to load them only as they appear.

Anti-Patterns

  • No @ObservedObject for owned objects: Use @StateObject.
  • No logic in body: Move to computed properties or methods.
  • No ! in View: Use if-let or nil coalescing.

References

Canonical response anchors

When this skill applies, preserve the following domain terminology or equivalent concrete examples in the answer when relevant:

  • @Binding for data passed down
  • @ObservedObject when receiving
  • @State for data owned
  • inject data into the view's hierarchy
  • large number of views
  • load them only as they appear

© HoangNguyen0403, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 2 other files (references) in skills/swift/swift-swiftui of HoangNguyen0403/agent-skills-standard.

  • SKILL.md
  • evals/evals.json
  • references/implementation.md

Open the folder on GitHubat commit b529c2d

Compare with similar skills

Swift Swiftui next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Swift Swiftui compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Swift Swiftui this skillHoangNguyen0403/agent-skills-standard572—~527Automated safety check: PassMIT
Swiftui Protwostraws/SwiftUI-Agent-Skill5.6k2 repos~1.5kAutomated safety check: PassMIT
Swiftui UI PatternsAFK-surf/OpenBridge4304 repos~887Automated safety check: PassMIT
Swiftui Performance Auditharperreed/dotfiles3348 repos~1.4kAutomated safety check: PassNone
Hig Project Contextraintree-technology/hig-doctor1445 repos~1.2kAutomated safety check: PassMIT
Hig Components Contentraintree-technology/hig-doctor1445 repos~1.3kAutomated safety check: PassMIT

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Works with

Categories

Questions about Swift Swiftui

What does Swift Swiftui do?

Configure SwiftUI state, view lifecycle, and Property Wrappers correctly. Swift Swiftui is an agent skill from HoangNguyen0403/agent-skills-standard. Configure SwiftUI state, view lifecycle, and Property Wrappers correctly.

When should I use Swift Swiftui?

Swift Swiftui fits situations like: managing SwiftUI state; property wrappers like @State and @Binding.

How do I install Swift Swiftui in Claude Code?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill swift-swiftui -a claude-code`. Or copy the skill folder (skills/swift/swift-swiftui in HoangNguyen0403/agent-skills-standard) into .claude/skills/swift-swiftui in your project. Claude Code loads it when a task matches its description.

How do I install Swift Swiftui in Codex?

Run `npx skills add HoangNguyen0403/agent-skills-standard --skill swift-swiftui -a codex`. Or copy the skill folder (skills/swift/swift-swiftui in HoangNguyen0403/agent-skills-standard) into .agents/skills/swift-swiftui in your project. Codex loads it when a task matches its description.

Can I use Swift Swiftui 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 HoangNguyen0403/agent-skills-standard --skill swift-swiftui -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-swiftui, .gemini/skills/swift-swiftui, .github/skills/swift-swiftui and .opencode/skills/swift-swiftui in your project.

What does Swift Swiftui need to run?

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

Does Swift Swiftui 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 Swiftui 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 Swiftui use?

Swift Swiftui 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 Swiftui use?

About 527 tokens (SKILL.md is roughly 2.1k 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 534 tokens, read only when the agent opens those files.

What are the alternatives to Swift Swiftui?

Skills that share tags, products or a category with Swift Swiftui: Swiftui Pro (twostraws/SwiftUI-Agent-Skill, 5.6k stars), Swiftui UI Patterns (AFK-surf/OpenBridge, 430 stars), Swiftui Performance Audit (harperreed/dotfiles, 334 stars) and Hig Project Context (raintree-technology/hig-doctor, 144 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Swift Swiftui?

HoangNguyen0403 (a GitHub user) maintains it in HoangNguyen0403/agent-skills-standard, which has 572 GitHub stars. The repository holds 211 skills in this directory. The repository was last updated on October 9, 2026.

Source: HoangNguyen0403/agent-skills-standard on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.