Japan Corporate MCP
Japanese corporate data via government APIs (gBizINFO, EDINET, e-Stat): companies, financials, patents, subsidies, procurement and government statistics.
Install
The installation steps are in the documentation below. Documentation
Documentation
From the project's README on GitHub, refreshed weekly. Links open on GitHub.
Contents
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
pip install japan-corporate-mcpAPI 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:
{
"mcpServers": {
"japan-corporate": {
"command": "japan-corporate-mcp",
"env": {
"GBIZINFO_API_TOKEN": "your-gbizinfo-token",
"EDINET_SUBSCRIPTION_KEY": "your-edinet-key",
"ESTAT_APP_ID": "your-estat-app-id"
}
}
}
}Claude Code
claude mcp add japan-corporate -- japan-corporate-mcp \
-e GBIZINFO_API_TOKEN=your-token \
-e EDINET_SUBSCRIPTION_KEY=your-key \
-e ESTAT_APP_ID=your-app-idCursor
Add to .cursor/mcp.json:
{
"mcpServers": {
"japan-corporate": {
"command": "japan-corporate-mcp",
"env": {
"GBIZINFO_API_TOKEN": "your-gbizinfo-token",
"EDINET_SUBSCRIPTION_KEY": "your-edinet-key",
"ESTAT_APP_ID": "your-estat-app-id"
}
}
}
}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 |
ESTAT_APP_ID | For e-Stat tools | e-Stat application ID |
\* At minimum, GBIZINFO_API_TOKEN is needed for company search/info tools.
Development / 開発
git clone https://github.com/drago/japan-corporate-mcp.git
cd japan-corporate-mcp
pip install -e ".[dev]"
pytestLicense
MIT
Frequently asked questions
What is Japan Corporate MCP?
Japanese corporate data via government APIs (gBizINFO, EDINET, e-Stat): companies, financials, patents, subsidies, procurement and government statistics.
How do I install Japan Corporate MCP?
Follow the installation steps in its documentation, shown on this page and in its repository.
Is Japan Corporate MCP open source?
Yes. Its code is on GitHub under the MIT license.
Who maintains Japan Corporate MCP?
It is published by yamariki-hub. AI.tn lists it but does not maintain or endorse it.
From the community awesome-mcp-servers lists and the project's GitHub repository. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.