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iOS HIG Design Guide — measured AI agent skill | DecimalAI

davepoon/ios-hig-design-guide

SkillScore64Maintained

Build, update, and apply iOS design specifications using Apple Human Interface Guidelines (HIG) source data. Use when a task asks for iOS UI/UX rules, Apple design standards, component behavior, accessibility constraints, interaction patterns, or feature-level design-spec writing grounded in official HIG pages.

by davepoon

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Design & UX Review pack

decimalai skills pull davepoon-ios-hig-design-guide

Get this skill — curl · raw file

curl -fsSL https://app.decimal.ai/s/davepoon-ios-hig-design-guide/SKILL.md

Raw file: /s/davepoon-ios-hig-design-guide/SKILL.md ↗ · machine-readable summary at /s/davepoon-ios-hig-design-guide.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

22 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 5d ago

Yes — +50% lift+16% tokens0% turns64% of whole cases pass with skill (14/22)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-01	✗→✓	▲ Improved	24%	0%
case-03	✗→✓	▲ Improved	-1%	0%
case-07	✗→✓	▲ Improved	-6%	0%
case-08	✗→✓	▲ Improved	23%	0%
case-11	✗→✓	▲ Improved	-8%	0%

Showing 5 of 22 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

davepoon / buildwithclaude

plugins/all-skills/skills/ios-hig-design-guide/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1Bundled 2 files · scripts

Skill contents

scripts/

references/

SKILL.md

iOS HIG Design Guide

Use this skill to produce iOS design recommendations that stay close to official Apple guidance.

Quick start

Sync official sources.
Read only relevant sections.
Produce a feature-specific spec (not a generic style dump).

Run:

bash
python3 scripts/sync_apple_hig_sources.py --skill-dir .

Source of truth

Full raw index with links and abstracts: references/apple-hig-ios-raw.md
Consolidated text dump of all downloaded pages: references/apple-hig-ios-fulltext.md
Curated text dump for iOS spec writing: references/apple-hig-ios-curated.md
Workflow for selecting relevant HIG pages: references/ios-design-spec-workflow.md
Per-page JSON sources: references/raw/pages/design/human-interface-guidelines/*.json
Crawl metadata and fetch status: references/raw/catalog.json

Workflow

1) Sync and verify

Run sync script before answering "latest" or "current" requests.
Confirm download_error is 0 in references/raw/catalog.json.
If errors exist, report failed paths and continue with successfully downloaded pages.

2) Narrow scope

Start from /design/human-interface-guidelines/designing-for-ios.
Add only sections directly related to the requested feature.
Prioritize foundational constraints (accessibility, layout, typography, color, writing, privacy).
Prefer references/apple-hig-ios-curated.md for day-to-day use; use full dump only when needed.

3) Extract constraints

For each selected page, pull concrete rules into implementable statements:

When to use component/pattern
Required states (loading, empty, error, destructive confirmation)
Accessibility behavior (labels, hints, touch target, dynamic type)
Localization/layout behavior (RTL, truncation, multiline)
Platform-specific caveats (iOS-only vs cross-platform)

4) Produce deliverable

Default output structure:

Feature goal and user scenario
Information architecture and screen inventory
Interaction and state model
Component specification
Accessibility and localization checklist
Open questions and tradeoffs

Output style rules

Cite source page paths for each major rule.
Translate HIG guidance into actionable product decisions.
Avoid copying large raw passages.
Mark inferred recommendations explicitly as inference.

Maintenance

Re-run sync script whenever Apple updates HIG content.
Keep generated raw files in references/; do not hand-edit generated outputs.
Update this SKILL.md only for workflow or quality improvements.

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Other measured skills in the registry, with their headline benchmark lift.