sold-price-comps

Sold Price Comps

A pay-per-call MCP tool that answers the most common reseller question: "what did this sell for?"

Point any MCP-capable agent at the public endpoint and call sold_prices to get structured comps (title, price, condition, source, and sold date where available) across categories — video games, sneakers, collectibles, electronics, media, and more.

Connect

Add this server to your MCP client config:

{
  "mcpServers": {
    "sold-price-comps": {
      "url": "https://api.3rdplaceprovisions.com/mcp"
    }
  }
}

• Transport: streamable HTTP
• No API keys, no signup, no prepaid balance — pay per call via the x402 protocol.
• x402-capable clients (see docs.x402.org) handle payment automatically: the server answers with HTTP 402 + payment requirements, the agent pays via the facilitator, and the data unlocks.

Tool: sold_prices

sold_prices(query: str, limit: int = 5) -> str

Args:

• query — product description, e.g. "Super Smash Bros Melee GameCube"
• limit — max comps to return (1–10)

Returns: JSON with query, provider, count, summary (median/low/high), data_type (sold or active), comps[], and disclaimer.

Example call

sold_prices("Super Smash Bros Melee GameCube", 5)

Example response (abridged)

{
  "query": "Super Smash Bros Melee GameCube",
  "provider": "eBay",
  "count": 5,
  "summary": {"median": 53.99, "low": 43.28, "high": 59.95, "n": 5},
  "data_type": "active",
  "comps": [
    {
      "title": "Super Smash Bros. Melee COMPLETE - NINTENDO Gamecube",
      "price": "58.49",
      "currency": "USD",
      "sold_date": null,
      "condition": "Acceptable",
      "source": "eBay (active)",
      "url": "https://www.ebay.com/itm/..."
    }
  ],
  "disclaimer": "Live comps from eBay. Active listings = asking prices; verify condition before relying on value."
}

Pricing

• $0.05 per call via x402 (no API keys, no signup — agents pay per call automatically).
• Free tier available for light/discovery use.

Data notes

• data_type: "sold" = actual sold prices (source: Marketplace Insights).
• data_type: "active" = live active listings (asking prices) — still real market data, but not sold comps. Verify condition before relying on value.
• Every call is logged server-side; aggregate usage informs the provider's market-intelligence product.

About the provider

Published by 3rd Place Provisions (Beyond Plus Ultra Group LLC) — a 20-year quality-control veteran's take on market data: structured, QC-grade, and honest about what the numbers do and don't say.

More: https://3rdplaceprovisions.com/pulse