L50 UK Data API

vinted search

vinted_search

Read-only

Vinted listings for one keyword in 14 countries (price with buyer fee, brand, size, condition, link), with price statistics and, for UK, France, Germany, Italy and Spain, a resale check against live used eBay prices with estimated profit per flip. Up to 50 listings per call. Costs $0.03 per call, paid in USDC on Base with x402.

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": {
      "keyword": "<keyword>"
    },
    "name": "vinted_search"
  }
}

Input Schema

Name	Required	Description
`max`	No	Listings to return (default 20)
`country`	No	Vinted country (default uk)
`keyword`	Yes	Product, brand or model, e.g. levi 501
`maxPrice`	No
`minPrice`	No
`compareWithEbay`	No	Add the eBay resale check (default true)

Schema Changelog

Changes observed during successful MCP inspections.

AddedNov 4, 2026

TDQS

A3.9/5.0

Behavior4/5

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

Annotations only declare readOnlyHint and openWorldHint; the description adds materially more — a $0.03 per-call charge paid in USDC on Base via x402 (an auth/payment prerequisite), a 50-listing ceiling per call, and the fact that the resale check is conditional on country. It stops short of describing failure modes, latency, or pagination, so not a 5.

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?

One dense sentence that front-loads the resource and coverage, then stacks returns, conditional feature, limits, and cost in a logical order. It is efficient but the parenthetical field list and the payment clause make it a single long run-on that could be split for scanability.

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?

With no output schema, the description carries the return-value burden and does so by listing the fields shipped, the statistics, and the profit estimate. The remaining gap is the undocumented price-range parameters, which an agent would need to infer from the names alone.

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?

At 67% schema coverage, the description adds real meaning for compareWithEbay (only available for UK, FR, DE, IT, ES) and reinforces keyword scoping as a single term and the 50-item cap on max. However, minPrice and maxPrice have no schema description and no explanation in the description, and the 'price with buyer fee' note is not tied to the range filters.

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 names a specific resource (Vinted listings) and scope (one keyword, 14 countries) and enumerates the returned fields plus price statistics and an eBay resale/profit check. This is clearly distinct from siblings like poshmark_search and ebay_market without needing to name them.

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?

Usage is implied by the scope statement and the per-call cost disclosure gives an agent a reason to weigh the call, but there is no explicit when-to-use or when-not-to-use guidance and no pointer to the alternative tools (poshmark_search, ebay_market) for adjacent needs.

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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