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marktplaats-2dehands-mcp

marktplaats-2dehands-mcp

by RT-codes
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

get_listing_details

Fetch detailed data for a Marktplaats or 2dehands listing by ID, returning title, price, description, images, and stats.

Instructions

Fetch a listing page and return title, price, description, images, stats.

Args: listing_id: e.g. "m2340580395" (the 'm' prefix is added if missing). site: "marktplaats" or "2dehands".

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "listing_id": "<listing_id>"
    },
    "name": "get_listing_details"
  }
}

Input Schema

NameRequiredDescriptionDefault
siteNomarktplaats
listing_idYes

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.2.1

TDQS

B3.2/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It discloses the return fields, but omits whether authentication is needed, rate limits, error behavior for invalid IDs, and whether this is a read-only operation. For a fetch tool with zero annotation coverage this is a gap.

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?

Front-loaded with the purpose and return fields, followed by a compact args block. No wasted sentences, though the args formatting is informal.

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?

An output schema exists, so the description needn't explain return types; it still lists the fields, which is a slight redundancy but harmless. Parameter coverage is complete and the purpose is clear. The main gap is usage context against siblings, but for a simple detail-fetch this is close to complete.

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?

Schema description coverage is 0%, so the description must compensate and it does: it gives a concrete example for listing_id and explains the 'm' prefix normalization, and it enumerates the valid values for site. Both parameters are documented with enough detail to call the tool correctly.

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?

States a specific verb (Fetch) and resource (listing page) and enumerates the returned fields, so the agent knows exactly what this tool retrieves. It does not explicitly distinguish itself from siblings like search_listings or hunt, though the singular 'listing page' implies detail-fetch versus search.

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?

No guidance on when to use this versus search_listings or the hunt tools. The agent must infer that this is a detail lookup, but there are no stated conditions, prerequisites, or exclusions.

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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