Japan Data MCP Server: Install & Setup

Install Japan Data in Claude Code

Claude Code

claude mcp add mameta29-japan-data -- npx -y @mameta/japan-data-mcp

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

{
  "mcpServers": {
    "mameta29-japan-data": {
      "command": "npx",
      "args": [
        "-y",
        "@mameta/japan-data-mcp"
      ]
    }
  }
}

Frequently asked questions

What does the Japan Data MCP server do?

30 tools for Japanese data: address, furigana, transit, Diet, holidays, weather, corporate registry

Is the Japan Data 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 Data 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 Data to Claude Code?

Run: claude mcp add mameta29-japan-data -- npx -y @mameta/japan-data-mcp

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