MCP server exposing Japan-specific utilities to AI agents (Claude, Cursor, Cline, Continue, etc.). Hand your agent the small bag of JP-specific functions every Japan-related task needs but no generic LLM gets right…
Japan Utils source profile. From the maintainer documentation: “MCP server exposing Japan-specific utilities to AI agents (Claude, Cursor, Cline, Continue, etc.). Hand your agent the small bag of JP-specific functions every Japan-related task needs but no generic LLM gets right reliably:”
The documented pypi package is japan-utils-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
Check the linked publisher documentation and your connected client's tool list. Names and availability can vary with the server version and account permissions.
| Tool | What it does |
|---|---|
| era_to_western | 令和8年 / R8 / Reiwa 8 / 令和元年 → Gregorian year + era metadata |
| western_to_era | 2026 → era kanji (令和), English (Reiwa), year-of-era (8), formatted strings |
| kanji_to_romaji | Mixed Japanese text → Hepburn romaji + hiragana reading |
| lookup_postal_code | 7-digit JP postal code → prefecture / city / area, with kana readings |
| is_holiday | Date string → is it a national holiday? + Japanese name + weekday |
| list_holidays | Year → all national holidays for that year |
| convert_kana | hiragana ↔ katakana ↔ half-width katakana, any direction |
| normalize_width | Full-width ↔ half-width for ASCII, digits, kana (with per-category control) |
| split_japanese_name | Japanese full name → surname + given name (statistical model with confidence) |
{
"mcpServers": {
"japan-utils": {
"command": "uvx",
"args": [
"japan-utils-mcp"
]
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
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