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AiAgentKarl

eu-company-mcp-server

company_by_lei

Retrieve comprehensive company data by LEI code. Access full business details, BIC codes, and corporate events using the 20-character Legal Entity Identifier.

Instructions

Firma per LEI-Code abrufen (volle Details).

LEI = Legal Entity Identifier, 20-stelliger Code. Gibt alle verfügbaren Daten inkl. BIC-Codes und Events.

Args: lei: LEI-Code (z.B. "7LTWFZYICNSX8D621K86" für Deutsche Bank)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
leiYes
Behavior4/5

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

Discloses specific return content (BIC codes and Events) compensating for the missing output schema, though omits rate limits or auth requirements.

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

Conciseness4/5

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

Well-structured with clear header, acronym definition, return value disclosure, and Args section; every sentence delivers necessary information without bloat.

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

Completeness4/5

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

Adequately complete for a single-parameter tool, successfully describing the expected output to compensate for the absent output schema.

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?

Excellent compensation for 0% schema description coverage by providing the 20-character format explanation and a concrete example with Deutsche Bank.

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

Purpose4/5

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

Clearly states it retrieves company data by LEI code and defines LEI, though it could explicitly contrast with the register-based sibling tool.

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

Usage Guidelines3/5

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

Implies usage through LEI explanation and 'full details' mention, but lacks explicit when/when-not guidance relative to company_search or company_by_register.

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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