MCP server for interacting with Xcode String Catalog (.xcstrings) files
npm install string-catalog-mcpAn MCP server for working with Xcode String Catalog (.xcstrings) files. It lets AI assistants read, search, and update your iOS/macOS localization strings.
``bash`
claude mcp add string-catalog-mcp -- npx string-catalog-mcp
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List all languages in a string catalog with the source language identified.
> "What languages are supported in my Localizable.xcstrings file?"
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Get translation coverage breakdown per language, including total keys and completion percentages.
> "Show me the translation statistics for my string catalog"
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Get all translations for a specific key across all supported languages.
> "Show me all translations for the 'welcome_message' key"
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Search for localization keys containing a specific substring (case-insensitive).
> "Find all keys that contain 'error' in my string catalog"
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List all localization keys in the catalog (supports pagination for large catalogs).
> "List all the localization keys in my project"
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Add or update translations in the string catalog. Accepts a structured JSON payload with support for iOS format placeholders (%@, %d, %lld, %f, %1$@`).
> "Add German and French translations for the 'hello_world' key"
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Generate translations for specific keys with guidance on format placeholders.
> "Use the translate-strings prompt to translate 'welcome_message' and 'goodbye' into German, French, and Japanese"
Translate all untranslated or stale strings in a catalog for specified languages.
> "Use batch-translate to add German translations for all missing strings in my catalog"
Review existing translations for quality, consistency, and proper placeholder usage.
> "Review my German translations for quality issues"
1. "What languages are supported in my Localizable.xcstrings?"
2. "Use batch-translate to add Spanish translations to /path/to/Localizable.xcstrings"
1. "Search for keys containing 'settings' in my string catalog"
2. "Show me translations for the 'settings_title' key"
3. "Translate 'settings_title' and 'settings_description' into German and French"
1. "Show me translation statistics for my catalog"
2. "Review German translations for placeholder issues and consistency"
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MIT