Japan UX MCP Server: Install & Setup

Install Japan UX in Claude Code

Claude Code

claude mcp add japan-ux -- npx -y japan-ux-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "japan-ux": {
      "command": "npx",
      "args": [
        "-y",
        "japan-ux-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Japan UX MCP server do?

Japanese UI + UX correctness for AI coding agents — typography, forms, keigo, JLReq checks.

Is the Japan UX MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Japan UX run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Japan UX to Claude Code?

Run: claude mcp add japan-ux -- npx -y japan-ux-mcp

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