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MCP tool

list_sectors

The MCP tool for TSE 33 sectors list. Each call costs 1 token(s).

Key points

check_circleIt maps to the REST endpoint /stable/available-sectors, with the same response shape.
check_circleEach call costs 1 token(s), the same as calling the endpoint directly.
check_circleRequired arguments: none

What this tool returns

Returns the codes and names of the 33 Tokyo Stock Exchange sectors. Use these codes with the sector parameter of other endpoints.

Description sent to AI clients

TSE 33-sector master list (codes and names), usable as the sector filter of other tools. 東証33業種の一覧（他ツールの sector 絞り込みに使えるコードと名称）。

The model reads this description to choose the tool. It is written in both English and Japanese.

What you can answer with it

chatProvide the options for a sector filter in your app
chatLook up a sector name from its code

Arguments

This tool takes no arguments.

REST endpoint

This tool calls /stable/available-sectors. Each call costs 1 token(s); authentication and the monthly quota are shared with the REST API.

TSE 33 sectors listGET /stable/available-sectors1 token(s)

Examples

Example prompt

Using ZENITH Code data, help me with this: Provide the options for a sector filter in your app

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": "list_sectors",
    "arguments": {}
  }
}

The same data over REST:

curl "https://api.zenithcode.net/stable/available-sectors" \
  -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.

warning

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 list_sectors?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 list_sectors cost per call?expand_more

1 token(s), the same as calling /stable/available-sectors directly.

Can I show list_sectors 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 list_sectors return?expand_more

Returns the codes and names of the 33 Tokyo Stock Exchange sectors. Use these codes with the sector parameter of other endpoints.

How can I verify the source of list_sectors 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/available-sectors API docs.

Which tools are used together with list_sectors?expand_more

Common companions are get_sector_performance, screen_stocks, get_industry_benchmarks. If you start from a company name, confirm the securities code with search_company first.

API docs: TSE 33 sectors list/stable/available-sectors get_sector_performanceSector performance (price change by TSE 33-sector)MCP tool referenceEvery MCP tool by category Let an AI agent research Japanese stocksExample prompts, token budgeting, sources and rules

info

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.