yamariki-hub/japan-corporate-mcp

MCP Server for Japanese corporate data — search companies, financials, patents, subsidies, and government statistics via official government APIs.
日本企業データMCPサーバー — gBizINFO・EDINET・e-Statの政府APIから企業情報をAIが直接取得できます。
Features / 機能
| Tool | Description | データソース |
|------|-------------|-------------|
| search_company | Search companies by name | gBizINFO |
| get_company_info | Company details (address, capital, employees) | gBizINFO |
| get_company_finance | Financial data (revenue, profit, assets) | gBizINFO |
| get_company_patents | Patent information | gBizINFO |
| get_company_subsidies | Subsidies and grants received | gBizINFO |
| get_company_procurement | Government procurement records | gBizINFO |
| get_edinet_reports | Securities reports (有価証券報告書) | EDINET |
| get_statistics | Government statistics search | e-Stat |
Installation / インストール
API Key Setup / APIキーの取得
You need API keys from the following government services:
| API | Registration | URL |
|-----|-------------|-----|
| **gBizINFO** (経産省) | Web registration, instant | https://info.gbiz.go.jp/hojin/api_registration |
| **EDINET** (金融庁) | Web registration + MFA | https://disclosure2dl.edinet-fsa.go.jp/guide/static/disclosure/WZEK0110.html |
| **e-Stat** (総務省) | Web registration, instant | https://www.e-stat.go.jp/api/ |
Configuration / 設定
Claude Desktop
Add to your claude_desktop_config.json:
Claude Code
Cursor
Add to .cursor/mcp.json:
Usage Examples / 使用例
Once configured, you can ask your AI assistant:
- "ソニーグループの企業情報を教えて" (Get Sony Group's company info)
- "トヨタ自動車の特許情報を検索して" (Search Toyota's patents)
- "東京都のAI関連企業を探して" (Find AI companies in Tokyo)
- "日本の製造業に関する統計データを検索" (Search manufacturing statistics)
- "最近のEDINET報告書でソフトバンクを検索" (Search SoftBank's EDINET filings)
Environment Variables / 環境変数
| Variable | Required | Description |
|----------|----------|-------------|
| GBIZINFO_API_TOKEN | Yes* | gBizINFO API token |
| EDINET_SUBSCRIPTION_KEY | For EDINET tools | EDINET subscription key |