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marktplaats-2dehands-mcp

marktplaats-2dehands-mcp

by RT-codes
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Remote

get_seller_info

Fetch a seller's verification status, accepted payment method, and aggregated review stats on Marktplaats or 2dehands to assess trustworthiness before buying.

Instructions

Fetch a seller profile (verification status, payment method, reviews).

Note: the endpoint does not return seller name/id — those are available from the listing response. It only exposes verification flags, the accepted payment method, and aggregated review stats.

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": {
      "seller_id": "<seller_id>"
    },
    "name": "get_seller_info"
  }
}

Input Schema

NameRequiredDescriptionDefault
siteNomarktplaats
seller_idYes

Output Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.2.1

TDQS

B3/5.0
Behavior3/5

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

With no annotations, the description carries the full burden, and it usefully discloses a negative behavioral trait: the endpoint does not return seller name/id and only exposes verification flags, payment method, and aggregated review stats. It says nothing about auth requirements, rate limits, error behavior, or that this is a read-only lookup.

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?

Purpose is front-loaded in the first sentence and the caveat follows in a compact second sentence. No filler, though the parenthetical and note could be tightened into one line.

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?

An output schema exists, so return-value detail is not required, and the description adds the non-obvious negative caveat. However, with 0% parameter coverage and no annotations, the missing param and safety context leaves it only minimally adequate for calling the tool correctly.

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

Parameters2/5

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

Schema description coverage is 0% with two parameters, so the description must compensate. It only indirectly alludes to seller id via the listing-response note and never explains the 'site' parameter or its 'marktplaats' default, leaving both parameters semantically undocumented.

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+resource ('fetch a seller profile') and enumerates the payload contents (verification status, payment method, reviews). It does not name or differentiate from siblings like get_listing_details, so it lands at 4 rather than 5.

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 explicit when-to-use, when-not-to-use, or alternative selection guidance. The note that name/id come from the listing response hints at a workflow but never says when to call this tool versus the listing tools.

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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