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Luxembourg MCP

by io.github.amirdaraee
OverviewDiscussionsAdmin

get_housing_prices

Get advertised housing sale prices by commune from the official Observatoire de l'Habitat.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "get_housing_prices"
  }
}

Input Schema

NameRequiredDescriptionDefault
yearNoFour-digit year such as 2025; defaults to the latest
communeNoOptional commune-name filter
property_typeNoapartment

Schema Changelog

Changes observed during successful MCP inspections.

  1. Added

TDQS

B3.4/5.0
Behavior2/5

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

No annotations are provided, so the description bears full responsibility for behavioral disclosure. It only states what the tool gets, but does not mention read-only nature, potential errors, rate limits, or any side effects. For a simple retrieval tool, basic transparency is missing.

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?

A single sentence with no wasted words. It directly states the tool's purpose without extraneous details.

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

Completeness2/5

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

Despite having no output schema, the description does not hint at the format of the returned data (e.g., list of prices, averages, per commune). Given the tool has multiple parameters and no output schema, the description should provide more context on what the agent can expect.

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

Parameters3/5

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

Schema description coverage is 67% (two of three parameters have descriptions). The description adds 'by commune', which is already in the commune parameter description. It does not add significant meaning beyond the schema for the undocumented property_type parameter.

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 verb 'Get', the resource 'advertised housing sale prices', and the scope 'by commune' with an authoritative source. It distinguishes this tool from sibling get_* tools like get_air_quality or get_city_parking.

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?

The description implies usage for retrieving housing sale prices, but it does not provide explicit guidance on when to use this tool versus alternatives, nor does it mention prerequisites or context. In a list of many get_* tools, some direction would help.

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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