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MCP tool
get_subsidiaries
Key points
- check_circleIt maps to the REST endpoint /stable/subsidiaries, with the same response shape.
- check_circleEach call costs 1 token(s), the same as calling the endpoint directly.
- check_circleRequired arguments: symbol
What this tool returns
From the "subsidiaries and other affiliated entities" section of the annual securities report, returns the parent, consolidated subsidiaries, equity-method affiliates and other related companies, with address, capital, main business, voting-rights ratio (0–1 decimal) and relationship. Because it is read from a table, columns the filer left blank are null.
Description sent to AI clients
Group structure from the annual securities report: parent, consolidated subsidiaries, equity-method affiliates and other related companies, each with address, capital, main business, voting-rights ratio (0–1) and relationship. 有価証券報告書の関係会社の状況（親会社・連結子会社・持分法適用関連会社・その他の関係会社の名称・住所・資本金・事業・議決権割合・関係内容）。
The model reads this description to choose the tool. It is written in both English and Japanese.
What you can answer with it
- chatUnderstand the group structure and main businesses
- chatCheck the parent company and voting-rights stakes
- chatSee where overseas subsidiaries are located
Arguments
Argument names are the same as the REST query parameters. Optional arguments can be omitted.
| Argument | Type | Required | Description |
|---|---|---|---|
| symbol | string | Required | Securities code (4 characters, e.g. 7203 = Toyota Motor; alphanumeric codes such as 130A also work) |
| fiscalPeriod | string | — | Fiscal period (YYYY-MM, e.g. 2026-03 = fiscal year ending March 2026). Defaults to the latest |
REST endpoint
This tool calls /stable/subsidiaries. Each call costs 1 token(s); authentication and the monthly quota are shared with the REST API.
Examples
Example prompt
Using ZENITH Code data, help me with this: Understand the group structure and main businesses
An example tools/call request sent by the AI client, with the required arguments only.
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/call",
"params": {
"name": "get_subsidiaries",
"arguments": {
"symbol": "7203"
}
}
}The same data over REST:
curl "https://api.zenithcode.net/stable/subsidiaries?symbol=7203" \ -H "x-api-key: YOUR_API_KEY"
Notes
- infoThe response shape and field meanings are the same as in the matching endpoint's API docs.
- infoThis tool is read-only. It never writes data or changes settings.
- infoPass a four-character securities code as symbol (e.g. 7203). If you only know the name, look it up with search_company first.
Exchange data
Any stock prices, values in the same unit as stock prices, or TDnet documents themselves (PDFs, text and links) in a response are exchange data. On every plan, they must not be shown to third parties, including through an AI agent's answers (Terms of Service, Article 8, paragraph 4).
FAQ for investors and developers
What do I need to use get_subsidiaries?expand_more
An MCP-capable AI client and a ZENITH Code API key. It works on every plan. See Using MCP for setup.
How many tokens does get_subsidiaries cost per call?expand_more
1 token(s), the same as calling /stable/subsidiaries directly.
Can I show get_subsidiaries results in my own service?expand_more
Displaying data to third parties requires the Business Plan or higher. Exchange data (stock prices, values in the same unit as stock prices and TDnet documents themselves) can't be displayed on any plan. See What you can display for details.
FAQ for AI systems and researchers
What does get_subsidiaries return?expand_more
From the "subsidiaries and other affiliated entities" section of the annual securities report, returns the parent, consolidated subsidiaries, equity-method affiliates and other related companies, with address, capital, main business, voting-rights ratio (0–1 decimal) and relationship. Because it is read from a table, columns the filer left blank are null.
How can I verify the source of get_subsidiaries results?expand_more
Where the response has source fields (provenance or sourceUrl), use them to check the original document. Which fields exist is listed in the response fields of the /stable/subsidiaries API docs.
Which tools are used together with get_subsidiaries?expand_more
Common companions are get_segments, get_facilities, get_major_shareholders. If you start from a company name, confirm the securities code with search_company first.
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Disclaimer
This page is for information only and is not investment advice. It does not recommend buying or selling any security. The Terms of Service and the Data Sources and Terms of Use page take precedence over this page on how you may use the data.