Japan Business Intelligence MCP Server

Access Japanese government statistics, economic indicators, holidays, and business day calculations through the Model Context Protocol.

Features

• 11 tools for Japanese business intelligence
• e-Stat API -- Search 700+ government statistical tables
• Statistics Dashboard -- Access 6,000+ indicators (NO API key required!)
• Japanese Holidays -- Full holiday calendar with business day calculations
• Bilingual -- Japanese and English support

Quick Start

Claude Desktop / Claude Code

Add to your MCP configuration:

{
  "mcpServers": {
    "japan-bi": {
      "command": "npx",
      "args": ["-y", "@makemoney/japan-business-intelligence-mcp"],
      "env": {
        "ESTAT_APP_ID": "your-estat-api-key"
      }
    }
  }
}

Get e-Stat API Key (Free)

1. Visit https://www.e-stat.go.jp/api/
2. Create an account
3. Generate an appId from your dashboard

Note: Statistics Dashboard and Holiday tools work WITHOUT any API key!

Tools

Japanese Holidays (No API key needed)

| Tool | Description | |------|-------------| | get_holidays | Get all holidays for a year (1949-2150) | | is_holiday | Check if a date is a holiday | | is_business_day | Check if a date is a business day | | next_business_day | Get next business day | | count_business_days | Count business days between dates |

Statistics Dashboard (No API key needed)

| Tool | Description | |------|-------------| | search_indicators | Search ~6,000 statistical indicators | | get_indicator_data | Get time-series data for an indicator | | get_regions | List all Japanese regions/prefectures |

e-Stat API (Free API key required)

| Tool | Description | |------|-------------| | search_statistics | Search government statistical tables | | get_stats_data | Get data from a statistics table | | get_meta_info | Get metadata for a statistics table |

Examples

Check if tomorrow is a business day

"Is 2026-04-29 a business day in Japan?"
-> No, it's Showa Day (昭和の日)

Find population statistics

"Search for population statistics on e-Stat"
-> Returns matching statistical tables with IDs

Get GDP indicators

"Search for GDP indicators on the statistics dashboard"
-> Returns indicator codes for GDP-related data

Environment Variables

| Variable | Required | Description | |----------|----------|-------------| | ESTAT_APP_ID | For e-Stat tools | Free API key from e-stat.go.jp |

Data Sources

• e-Stat -- Japan's official statistics portal
• Statistics Dashboard -- Pre-aggregated statistical indicators
• Japanese holiday calculations based on the Act on National Holidays

License

MIT