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Looking for proper internationalization without rolling your own translation layer? This server hooks into Lingo.dev's i18n infrastructure and brings ICU MessageFormat support directly into Claude. You get structured message formatting with pluralization, gender selection, and number formatting out of the box. Reach for this when you're building multilingual features and need Claude to work with translation keys, generate localized content, or validate message syntax against ICU standards. It beats hardcoding locale logic or maintaining separate prompt templates for each language.