Japan Company Search & Corporate Number
Japanese company search by English or Japanese name and 13-digit corporate number (houjin bangou).
Hosted MCP Server
npx add-mcp 'https://thecompanyatlas.com/mcp/company/japan'Installs into Claude Code, Codex, Cursor and more
Documentation
Japan Company Search & Corporate Number MCP
Search Japanese companies by English or Japanese name, or look up a 13-digit corporate number (法人番号, houjin bangou).
The MCP connection is provided by The Company Atlas. This repository does not run a separate server.
Connect
https://thecompanyatlas.com/mcp/company/japan
Add this URL as a custom MCP connector in Claude, ChatGPT, Cursor, or any MCP-compatible client. Sign in with Google when prompted.
- Transport: Streamable HTTP
- Auth: Google OAuth (sign in once, stays authorized)
- Free accounts get 50 credits per calendar month
Japan data coverage
- Company ids are
JP+ the 13-digit corporate number - English and Japanese company names
Example prompts
- "Look up this Japanese corporate number"
- "Find the corporate number of this Osaka trading company"
- "Search Japanese companies with 'Shoji' in the name"
Tools
| Tool | Description |
|---|---|
Japan_search_companies | Search companies in the Japan registry by name or id |
Japan_get_company | Full company profile by id (the JP prefix is optional) |
日本語
AI アシスタントで日本の法人情報を検索できます。商号（日本語・英語）または 13 桁の法人番号で法人を検索できます。
質問の例
- "この法人番号の会社を調べて"
- "大阪のこの商社の法人番号は？"
- "「商事」を含む会社を探して"
Keywords
法人番号, 法人番号検索, 会社検索, houjin bangou, Japan corporate number lookup, Japanese company search