J

Japan Data

Verified Integration
Author: @IzyuusyaCategory: ServerApplication
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status

Client Configuration

— Connect Japan Data to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "japan-data": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-japan-data"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Accesses Japanese public data, including statistics, corporate information, real estate, and invoice details, converting it into human-readable formats for AI analysis.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Japan Data

Yes, a key feature is its ability to support data access for all 47 prefectures and approximately 1,700 municipalities nationwide. It also allows you to easily compare data across multiple regions, presenting it in pivot table-like structures for straightforward analysis and insights.

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