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AiAgentKarl

eu-company-mcp-server

eu_inflation

Retrieve EU inflation rates (HICP) by country and time period to track price changes and analyze economic trends across member states.

Instructions

Inflationsrate (HICP) für EU-Länder.

Args: countries: Ländercodes (z.B. "DE;FR") periods: Monate im Format YYYY-MM (z.B. "2025-01;2025-06")

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countriesNoDE;FR;IT;ES
periodsNo2025-01
Behavior2/5

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

Without annotations, the description fails to disclose behavioral traits like idempotency, rate limits, or data freshness.

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?

Appropriately brief and well-structured with purpose front-loaded and clear Args section, though slightly terse.

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

Completeness3/5

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

Adequate for a simple lookup tool but lacks description of return values or output format given no output schema exists.

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

Parameters4/5

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

Effectively compensates for 0% schema description coverage by explaining both parameters with format examples (semicolon-delimited codes and YYYY-MM periods).

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 HICP inflation rates for EU countries, distinguishing it from siblings like eu_gdp and eu_unemployment through specific subject matter.

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

Usage Guidelines2/5

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

Provides no guidance on when to use this tool versus alternative economic data tools or exclusion criteria.

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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