About
Locale detect, translations, plurals for AI agents
Security Report
Valid MCP server (7 strong, 8 medium validity signals). 3 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.
8 files analyzed · 4 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-rog0x-i18n": {
"args": [
"-y",
"@rog0x/mcp-i18n-tools"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
@rog0x/mcp-i18n-tools
Internationalization and localization tools for AI agents, exposed as an MCP (Model Context Protocol) server.
Tools
detect_locale
Detect the language and locale of a given text string. Returns the detected language code (BCP 47), language name, writing script, confidence score (0-1), and alternate language candidates.
Supported languages: English, Spanish, French, German, Portuguese, Italian, Russian, Japanese, Korean, Chinese, Arabic, Hindi, Thai, Greek, Hebrew.
extract_i18n_keys
Extract hardcoded user-facing strings from source code that should be internationalized. Finds strings in:
- JSX/TSX attributes (
title,placeholder,label,alt,aria-label, etc.) - HTML template text and attributes
console.log/console.warn/console.errorcallsthrow new Error(...)messagesalert()/confirm()/prompt()dialogs- Variable assignments with i18n-relevant names (
message,label,title, etc.)
Returns each string with its line/column, surrounding context, pattern type, and a suggested i18n key.
analyze_translations
Analyze translation JSON files for consistency across locales. Detects:
- Missing keys — present in reference locale but absent in others
- Extra keys — present in a locale but not in the reference
- Structure mismatches — a key is a string in one locale but an object in another
- Interpolation mismatches —
{variable}placeholders differ between locales - Empty values — keys with blank translations
- Unused keys — keys not referenced in source code (requires a list of used keys)
plural_rules
Generate plural form categories for a given locale following CLDR rules. Shows which plural categories the language uses and classifies any test numbers you provide.
| Language | Categories |
|---|---|
| English | one, other |
| French | one, other |
| Russian | one, few, many, other |
| Arabic | zero, one, two, few, many, other |
| Polish | one, few, many, other |
| Japanese | other |
| Chinese | other |
format_locale
Format numbers, currencies, dates, and relative times for any locale using the Intl APIs. Supports:
- Numbers — decimal, percent, unit; compact/scientific/engineering notation
- Currency — symbol, narrowSymbol, code, and name displays
- Dates — short, medium, long, full styles with date parts breakdown
- Relative time — long, short, narrow styles with auto-numeric formatting
Setup
npm install
npm run build
MCP Configuration
{
"mcpServers": {
"i18n-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-i18n-tools/dist/index.js"]
}
}
}
License
MIT
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