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MCP tool
get_extraordinary_report_events
Key points
- check_circleIt maps to the REST endpoint /stable/extraordinary-reports, 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 corporate events from extraordinary reports (M&A, officer changes, disasters and more), classified by reason. You can filter by stock, date range or reason. Omit symbol to search the whole market.
Description sent to AI clients
Feed of EDINET extraordinary reports (臨時報告書) with machine-classified reasons — mergers, officer changes, parent company changes, major shareholder changes, disaster losses, and more. Query by company or across the whole market for a date range. 臨時報告書のイベントフィード（事由分類済み）。Corporate-event data no competing Japanese API exposes.
The model reads this description to choose the tool. It is written in both English and Japanese.
What you can answer with it
- chatCheck whether important events happened at your holdings
- chatSearch the whole market for M&A related reports only
- chatReview officer changes or disasters over a chosen period
Arguments
Argument names are the same as the REST query parameters. Optional arguments can be omitted.
| Argument | Type | Required | Description |
|---|---|---|---|
| symbol | string | — | Securities code (4 characters). Omit for the whole market |
| from | string | — | Start date (YYYY-MM-DD), lower bound of the filing date |
| to | string | — | End date (YYYY-MM-DD), upper bound of the filing date |
| reason | string | — | Reason key (e.g. merger, officer_change). See /stable/extraordinary-report-reasons |
| limit | integer | — | Maximum number of rows to return (default 50, max 100)Default: 50Range: 1–100 |
REST endpoint
This tool calls /stable/extraordinary-reports. 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: Check whether important events happened at your holdings
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_extraordinary_report_events",
"arguments": {}
}
}The same data over REST:
curl "https://api.zenithcode.net/stable/extraordinary-reports" \ -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_extraordinary_report_events?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_extraordinary_report_events cost per call?expand_more
1 token(s), the same as calling /stable/extraordinary-reports directly.
Can I show get_extraordinary_report_events 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_extraordinary_report_events return?expand_more
Returns corporate events from extraordinary reports (M&A, officer changes, disasters and more), classified by reason. You can filter by stock, date range or reason. Omit symbol to search the whole market.
How can I verify the source of get_extraordinary_report_events 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/extraordinary-reports API docs.
Which tools are used together with get_extraordinary_report_events?expand_more
Common companions are get_extraordinary_report_reasons, get_events_feed, get_disclosures. 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.