MCP for building Japan-native websites with AI.
MCP for building Japan-native websites with AI.
Lead tool: review_jp_ui — the front-end correctness enforcer (run it on any UI, including Western-built, before shipping to Japan).
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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 |
|---|---|
| review_jp_ui | **Flagship enforcer** — scores CSS/markup against the Japanese UI standard (typography, colour, font payload) with JLReq/JIS citations and fixes. |
| generate_jp_form | Outputs Japanese form markup: 姓/名 order, furigana, 〒 postal auto-fill, 3-field phone, 年月日 dates. |
| validate_jp_form | Scores a form against JP conventions (0-100) with issues, severity, and code fixes. |
| generate_jp_placeholder | Returns test data: names in kanji/katakana/romaji, real postal codes, formatted phone numbers, era dates. |
| suggest_keigo_level | Converts English UI text to Japanese at the appropriate politeness level for a given business context. |
| score_japan_readiness | Rates a page across five categories: forms, copy, trust signals, typography, cultural fit. |
| transform_for_japan | Rewrites Western markup into Japan-ready markup with a before/after score and per-change explanations. |
| check_jp_typography | Audits CSS for Japanese typography: font stacks, line-height, kinsoku shori, sizing, palt. |
| get_seasonal_context | Returns the current season, active events, 24 microseasons (二十四節気), and launch blackout windows. |
| audit_japan_ux | Seven-category audit (layout, typography, visual, navigation, trust, content, mobile) with a letter grade. |
| design_direction_for_japan | Produces a Japan-specific design brief from brand type, audience, and industry. |
{
"mcpServers": {
"japan-ux": {
"command": "npx",
"args": ["-y", "japan-ux-mcp"]
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
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