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apple-design

apple-design is a skill for Claude Code, Codex from soulmachine/skills. It costs 131 tokens per session (1,884 once invoked), scanned A, original, MIT.

An offline reference to Apple's Human Interface Guidelines, the design rules for Apple platforms, along with related design kits, fonts, symbols, and icon resources.

In plain words
What is it for?
Use it when designing or reviewing interfaces for iPhone, iPad, Mac, Apple Watch, Apple TV, or Vision Pro apps, including SwiftUI, UIKit, or AppKit work.
Why use it?
It gives an agent a local source to consult and cite instead of relying on possibly outdated memory of Apple's interface rules.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is python3 scripts/pull_hig.py # stdlib only; add --cache /tmp/hig-cache to keep the raw JSON.

not rated 3repo 6d ago A scan 131 tokens original MIT

Good fit Use it when designing or reviewing interfaces for iPhone, iPad, Mac, Apple Watch, Apple TV, or Vision Pro apps, including SwiftUI, UIKit, or AppKit work.

Compare 6 skills from other repositories ↓
View source ↗ soulmachine/skills
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/soulmachine/skills
agentmods
npx agentmods add skills/soulmachine/skills/apple-design

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for apple-design

README.md
[![agentmods](https://agentmods.dev/badge/skills/soulmachine/skills/apple-design/github.svg)](https://agentmods.dev/skills/soulmachine/skills/apple-design)
Your own site
<a href="https://agentmods.dev/skills/soulmachine/skills/apple-design"><img src="https://agentmods.dev/badge/skills/soulmachine/skills/apple-design/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for apple-design

Your own site · 80×15
<a href="https://agentmods.dev/skills/soulmachine/skills/apple-design"><img src="https://agentmods.dev/badge/skills/soulmachine/skills/apple-design.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 131 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,884 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00131 $0.01884
Opus 5.5 $0.00052 $0.00754
Sonnet 5.5 $0.00026 $0.00377
Haiku 4.5 $0.00013 $0.00188

Measured 1mo ago against content hash 32ccdf8d8c0f, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

apple-design scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

apple-design/SKILL.md · 106 lines

How it starts

The opening of the file, as written. The whole thing — 106 lines — stays where its author put it; the contents beside it link to each section on GitHub.

apple-design

Apple's design guidance as local reference. The agent's job is to cite: open the page, quote the rule, name the system component. Read before you cite; Apple rewrote large parts of the HIG for Liquid Glass (2025) and reintroduced its design principles (June 2026), so recall is stale.

Path What it is
references/hig-index.md Routing table: every HIG page grouped as Apple groups them, with Apple's one-line summary, platforms, and the date Apple last changed it
references/hig/<slug>.md One file per HIG page, Apple's own wording and headings, all six platforms. ## Specifications sections hold the numbers (type sizes, control sizes, contrast, icon sizes)
references/resources.md The rest of developer.apple.com/design: Figma/Sketch kits, fonts, SF Symbols, Icon Composer, bezels, the learning pathway
scripts/pull_hig.py Regenerates hig/ and hig-index.md from Apple's site. Not needed for a task

Steps

  1. Pin the platform and the artifact. Which platforms (iOS, iPadOS, macOS, watchOS, tvOS, visionOS), which framework, and what is in front of you: a screenshot, a mockup, source, a description, or a question. Say what the artifact cannot show (a code fragment shows no contrast; a JPEG shows no exact colors).

  2. Load the pages, then read them. Start from the always-load set for the branch, add pages from the routing table below, and take anything else from hig-index.md. About ten files, never the whole directory.

    • Review or build a screen: design-principles.md, designing-for-<platform>.md, accessibility.md, layout.md, typography.md, color.md, then the routed pages.
    • Single component or pattern: its page, plus designing-for-<platform>.md if platform behaviour matters.
    • Question about a guideline: the page alone.
    • Resource, kit, font, tool: resources.md.

  3. Do the task against the pages.

    • Review: filter through the eight principles first (Purpose, Agency, Responsibility, Familiarity, Flexibility, Simplicity, Craft, Delight, defined in design-principles.md), then accessibility, platform conventions, visual design, interaction, writing. Each finding is What (with numbers), Why (file.md › Heading plus a short quote), Fix (the system component, modifier, or value to use). Rate Critical for accessibility failures and convention breaks that confuse, High for friction and looks-foreign, Medium for missed system components, Low for polish.
    • Build: reach for the system component before a custom view and name it (TabView, NavigationSplitView, .sheet, .searchable, NSToolbar). A custom control still needs its press, hover, focus, and disabled states, Dynamic Type, both appearances, and safe areas.
    • Question: quote the guideline, cite the file and heading, add the developer link the page gives.

Read the full file on GitHub · 106 lines

Files

What ships with it

60 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 106 lines · 131 tokens per session scan A 32ccdf8d8c0f

Subscribe to this mod's changes

apple-design is a skill published in the GitHub repository soulmachine/skills (3 stars, last pushed 6d ago), licensed MIT. It adds 131 tokens to every session and 1,884 once invoked, about $0.0005 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-16.

Design and UXMobileagent-skillsclaude-skillscodex-skillsopenclaw-skills
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