Localecheck

Name: Localecheck
Author: qinisolabs

@qinisolabs

Localecheck について

Verified locale data for AI agents: dates, phone numbers, currency formatting, VAT/sales-tax by date, public holidays, and addresses (UK & US). Returns checked answers and flags impossible inputs instead of guessing.

#mcp #locale #i18n #vat #tax #currency #dates #phone #holidays #address #validation #finance #agents #typescript

基本情報

カテゴリ

その他

トランスポート

stdio

公開者

qinisolabs

投稿者

kristaffa

設定

以下の設定を使って、このサーバーを MCP 対応クライアントに追加してください。

{
  "mcpServers": {
    "localecheck": {
      "command": "npx",
      "args": [
        "-y",
        "localecheck"
      ]
    }
  }
}

ツール

ambiguous date → ISO 8601, locale-aware (en-GB day-first vs en-US month-first); flags impossible dates.

→ E.164 + line type, via libphonenumber.

locale-correct currency string, via CLDR.

UK standard VAT for a given date (handles historical/temporary changes); US national 0 + state base sales tax.

UK/US address → {country, postcode, city} with a confidence flag.

概要

What is localecheck?

localecheck gives AI agents verified, authoritative answers to international data that LLMs routinely hallucinate, covering UK and USA (v1). It is free and requires no API key.

How to use localecheck?

Add localecheck to your MCP server configuration with command: "npx" and args: ["-y", "localecheck"]. It provides tools such as parse_date, validate_phone, format_currency, tax_rate, is_holiday, next_holiday, and parse_address.

Key features of localecheck

Locale-aware date parsing that flags impossible dates
Phone number validation to E.164 with line type
Locale-correct currency formatting via CLDR
UK and US tax rate lookup with historical support
Public and bank holiday checks for UK subdivisions
UK/US address parsing with confidence flag
Free, no API key required

Use cases of localecheck

Correctly interpreting ambiguous date formats (en-GB day-first vs en-US month-first)
Applying the correct VAT rate (UK) or sales tax (US) for a given date
Formatting currency amounts for a specific locale (e.g., €1,234.50 for German readers)
Computing delivery SLAs by checking bank holidays automatically
Parsing UK or US addresses into structured components with confidence

FAQ from localecheck

What countries and regions does localecheck support?

Version 1 covers the UK and USA. Holiday checks for GB default to England, with subdivisions supported.

Is localecheck free to use?

Yes, localecheck is free and requires no API key.

How do I install localecheck?

Install by adding localecheck to your MCP config with command: "npx" and args: ["-y", "localecheck"]. It is live on npm and listed in the official MCP Registry.

Where can I find the source code?

The source is available at https://github.com/qinisolabs/localecheck.

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