Agent-Skills.md

Agent Skills: iOS Localization & Assets

Implement String Catalogs, L10n workflows, and asset management for iOS. Use when adding multi-language support using iOS String Catalogs or L10n workflows. (triggers: **/*.stringcatalog, **/*.xcassets, **/*.strings, LocalizedStringResource, NSLocalizedString, String(localized:))

UncategorizedID: hoangnguyen0403/agent-skills-standard/ios-localization

Repository

hoangnguyen0403/agent-skills-standard
HoangNguyen0403License: Apache-2.0
362103

Install this agent skill to your local

pnpm dlx add-skill https://github.com/HoangNguyen0403/agent-skills-standard/tree/HEAD/skills/ios/ios-localization

Skill Files

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skills/ios/ios-localization/SKILL.md

Skill Metadata

Name
ios-localization
Description
"Implement String Catalogs, L10n workflows, and asset management for iOS. Use when adding multi-language support using iOS String Catalogs or L10n workflows. (triggers: **/*.stringcatalog, **/*.xcassets, **/*.strings, LocalizedStringResource, NSLocalizedString, String(localized:))"

iOS Localization & Assets

Priority: P1

Implementation Workflow

  1. Use String Catalogs — Adopt .stringcatalog files in Xcode 15+ for visual editing and compile-time missing translation checks.
  2. Prefer modern APIs — Use String(localized: "key") or LocalizedStringResource instead of NSLocalizedString.
  3. Handle pluralization — Use String Catalogs' built-in pluralization instead of custom code logic.
  4. Format with locale — Use Formatted API for dates, numbers, and currencies to respect user locale.
  5. Organize assets — Use .xcassets with "Provides Namespace" enabled. Prefer SF Symbols for standard icons.
  6. Complete Base localization — Ensure Base is complete before adding other languages.

See localization and asset catalog examples

Anti-Patterns

  • ❌ Manual currency symbol concatenation — use NumberFormatter or .formatted(.currency)
  • ❌ Loose png/jpg files in repo — always use Asset Catalogs
  • ❌ Placeholder strings left in String Catalogs — ensure 100% translation coverage

References