JP Data (Japanese Public Business Data)

io.github.kimotostudio/jp-data-mcp · v0.1.0

Japanese open-data MCP server: corporate-number validation, zengin bank codes, national holidays

Source code Set it up

Connect Runs on your machine

Terminal

claude mcp add jp-data-mcp -e NTA_APP_ID=<NTA_APP_ID> -- https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb

claude_desktop_config.json

{
  "mcpServers": {
    "jp-data-mcp": {
      "command": "https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb",
      "args": [],
      "env": {
        "NTA_APP_ID": "<NTA_APP_ID>"
      }
    }
  }
}

~/.cursor/mcp.json

{
  "mcpServers": {
    "jp-data-mcp": {
      "command": "https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb",
      "args": [],
      "env": {
        "NTA_APP_ID": "<NTA_APP_ID>"
      }
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "jp-data-mcp": {
      "type": "stdio",
      "command": "https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb",
      "args": [],
      "env": {
        "NTA_APP_ID": "<NTA_APP_ID>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

Name	Description
`NTA_APP_ID` Optional, secret	Optional free NTA Web-API application ID for live corporate-registry data; without it, corporate lookups use a bundled synthetic sample set tagged SYNTHETIC_SAMPLE.

Details

Package	`https://github.com/kimotostudio/jp-data-mcp/releases/download/v0.1.0/jp-data-mcp-0.1.0.mcpb` (MCPB, stdio)
First published	5 Aug 2026
Last updated	5 Aug 2026
Registry name	`io.github.kimotostudio/jp-data-mcp`

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Live status

Local install

Installed and run on your own machine, so there is no public endpoint to check.

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