Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
This server enables LLMs to use calculator for precise numerical calculations
Japan-specific utilities for AI agents: era ↔ Western year conversion (令和8年 ↔ 2026), kanji-to-romaji transliteration, 7-digit postal code lookup, national holiday calendar, hiragana ↔ katakana conversion, full-width ↔ half-width normalization, and statistical Japanese name splitting. 9 tools, MIT licensed, installable via uvx japan-utils-mcp.