Japan Business MCP

Search and retrieve Japanese corporate data for 5M+ companies via gBizINFO API v2.

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What it can do

  • Search Company By Name: 法人名で企業を検索する
  • Get Company Basic: 法人番号で企業の基本情報を取得する
  • Get Company Subsidies: 法人番号で補助金採択情報を取得する（IT導入補助金・ものづくり補助金など）

What data it sees

Do you need an account

No: the server works without sign-in

Search and retrieve Japanese corporate data for 5M+ companies via gBizINFO API v2.

Available tools:

  • Search companies by name
  • Get basic info (address, capital, employees)
  • Financials (revenue, profit)
  • Subsidies (IT grants, manufacturing grants)
  • Patents, certifications, procurement, workplace data

Perfect for sales automation, credit analysis, and competitive research agents.

How to connect

How to connect Japan Business MCP to Claude

The server address to paste into Claude settings:

https://japan-biz-mcp--hirofumitorato.run.tools

  1. Open Claude (claude.ai or the desktop app).
  2. Go to Settings → Connectors.
  3. Click Add custom connector.
  4. Paste the server address copied below into Remote MCP server URL and click Add.
  5. In a chat, click + → Connectors and switch the new connector on.

Custom connectors are available on Free, Pro, Max, Team and Enterprise plans (Free is limited to one). On Team and Enterprise an organization Owner adds the connector first under Organization settings → Connectors.

Authorization

After you click Add, a sign-in window for the service opens. Sign in with your own account and approve access. Claude never sees your password.

How to connect Japan Business MCP to ChatGPT

The server address to paste into ChatGPT settings:

https://japan-biz-mcp--hirofumitorato.run.tools

  1. Open ChatGPT in a browser (chatgpt.com). A Plus, Pro, Business, Enterprise or Edu plan is required.
  2. Turn on developer mode once: Settings → Apps → Advanced settings → Developer mode.
  3. Open Settings → Connectors and click Create.
  4. Fill in the form: Name (anything), Description (one line about what the service does), MCP server URL (copy it below).
  5. Under Authentication choose OAuth if the service requires sign-in, otherwise None. Click Create.
  6. In a new chat open + → Apps/Connectors and enable the connector.

OpenAI has renamed this section before (Connectors → Apps/Plugins). If the label differs, search settings for "developer mode". On Business/Enterprise workspaces an admin must allow custom connectors first.

Authorization

On first use ChatGPT opens the service's sign-in window. Sign in and approve access.

How to connect Japan Business MCP to Cursor

The server address to paste into Cursor settings:

https://japan-biz-mcp--hirofumitorato.run.tools

Fastest: click Open in Cursor below and confirm the prompt.

Manually:

  1. In Cursor open Settings → Cursor Settings → MCP and click Add new global MCP server.
  2. Paste the JSON copied below into ~/.cursor/mcp.json (per project: .cursor/mcp.json in the repo root).
  3. Save the file. The server appears in the MCP list; authorize it there if asked.

Authorization

If the service needs sign-in, an authorize button appears next to the server in the MCP list.

Server tool list (8)

Raw names from tools/list. Only developers need these.

search_company_by_name法人名で企業を検索する
get_company_basic法人番号で企業の基本情報を取得する
get_company_subsidies法人番号で補助金採択情報を取得する（IT導入補助金・ものづくり補助金など）
get_company_financials法人番号で財務情報を取得する
get_company_certifications法人番号で届出・認定情報を取得する（ISO・Pマーク・健康経営優良法人など）
get_company_patents法人番号で特許情報を取得する
get_company_procurement法人番号で政府調達・契約情報を取得する
get_company_workplace法人番号で職場情報を取得する（平均年齢・男女比など）