japan-number-mcp
by nagarexUpdated May 8, 2026
Converts Arabic numerals to kanji and daiji representations, reverses to Arabic, formats yen amounts in Japanese style, and generates readings. Developers use it for localizing apps with accurate Japanese numerals; financial software teams handle yen displays; content creators process Japanese text documents.
japanese-kanji
number-conversion
yen-formatting
+6
|Overview
This MCP server exposes five tools for handling Japanese numerical representations, enabling precise conversions between Arabic numerals, kanji numerals (standard and formal daiji), yen formatting, and pronunciation readings.
Key Capabilities
- to_kanji_number: Converts Arabic numerals (e.g., 123) to standard kanji numerals (e.g., 百二十三).
- to_daiji: Converts Arabic numerals to formal daiji kanji (e.g., 壱佰貳拾参), used in financial documents.
- to_arabic: Parses kanji or daiji numerals back to Arabic numerals.
- format_yen: Formats numbers as Japanese yen strings (e.g., 1,234円).
- to_reading: Generates furigana-style readings for kanji numerals.
Use Cases
- Localize e-commerce apps: Use format_yen and to_kanji_number to display prices in kanji for Japanese users.
- Build financial reporting tools: Apply to_daiji for checks and invoices to prevent tampering.
- Process Japanese documents: Combine to_arabic and to_reading to extract and annotate numbers in scanned texts.
- Generate educational content: Convert numbers with to_reading for language learning materials.
Who This Is For
Developers integrating Japanese localization in web/mobile apps, backend systems for finance/banking, NLP pipelines handling Japanese text, and localization engineers ensuring numeral accuracy.