Best practices for internationalizing Swift/SwiftUI applications using LocalizedStringResource, String Catalogs (.xcstrings), and type-safe localization patterns. Use when implementing multi-language support, adding new UI strings, or refactoring hardcoded text in Swift apps.
Install
npx skills add jamesmontemagno/app-trimly --skill swift-localizationnpx skills add jamesmontemagno/app-trimly --skill swift-localization -a claude-code -gnpx skills add jamesmontemagno/app-trimly --skill swift-localization -a codex -ggemini skills install https://github.com/jamesmontemagno/app-trimly.git --path .github/skills/swift-localizationgh skill install jamesmontemagno/app-trimly swift-localizationgit clone --depth 1 https://github.com/jamesmontemagno/app-trimly /tmp/jamesmontemagno__app-trimly
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/jamesmontemagno__app-trimly/.github/skills/swift-localization ~/.claude/skills/swift-localization # Claude Code
cp -R /tmp/jamesmontemagno__app-trimly/.github/skills/swift-localization ~/.agents/skills/swift-localization # Codex, Cursor, Gemini CLI, Copilot, OpenCode