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OldTemple91

koreafilings-mcp

find_company

Search the KRX directory of Korean listed companies using a company name (English or Korean) to get the six-digit ticker, which can then be used with other tools for filings and disclosures.

Instructions

Search the KRX directory of Korean listed companies. Free.

Use this as the first step when you have a company name (English
or Korean) but not the six-digit KRX ticker. Pass the resulting
ticker to ``get_recent_filings`` (paid) or ``get_disclosure_summary``
(paid, when you also have a specific receipt number).

Args:
    query: Company name (English or Korean) or six-digit ticker.
        Examples: "Samsung Electronics", "삼성전자", "005930".
    limit: Max matches to return (1-50, default 20).

Returns:
    A list of company dicts with ``ticker``, ``corp_code``,
    ``name_kr``, ``name_en``, and ``market`` (KOSPI / KOSDAQ).
    Empty list when nothing matches; never raises on no-results.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYes
limitNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

No annotations provided, so description carries full burden. It discloses it is free, returns a list of dicts, and states behavior on no results ('Empty list... never raises'). Does not mention side effects but no issues expected.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Description is concise with organized sections (intro, usage link, Args, Returns). Every sentence adds value without redundancy.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given the simple tool (2 params, no enums, has output schema), description covers purpose, usage, params, return format, and edge case (empty list). No gaps for the agent.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters5/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0%, but description adds examples for query (English, Korean, ticker) and specifies limit range (1-50, default 20), providing crucial context beyond schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool searches the KRX directory for Korean listed companies, specifies the use case (getting a ticker from a company name), and distinguishes from siblings by mentioning passing to get_recent_filings or get_disclosure_summary.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly says 'Use this as the first step when you have a company name... but not the six-digit KRX ticker.' and provides follow-up usage, though does not explicitly state when not to use it.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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