Developers and AI agents

Estate sale data for apps and AI assistants.

One JSON API and one MCP server covering every sale and company we list. Free for personal and research use. No key needed to read.

MCP server

Streamable HTTP, no auth. Add it to Claude, ChatGPT, Cursor or any MCP client:

{
  "mcpServers": {
    "secondgems": {
      "url": "https://secondgems.com/mcp"
    }
  }
}

Tools

ToolWhat it does
find_salesSales by ZIP or lat/lng, radius, date window, category, sale type.
get_saleFull detail for one sale, including photos and the address once revealed.
find_companiesEstate sale companies, auction houses, buyout dealers and cleanout crews by ZIP, state, region or type.
compare_liquidation_optionsRules-based first read on the best path for a home: full sale, auction plus clear, buyout, or cleanout. No dollar estimates.
estate_sale_cost_guideCurrent commission ranges, minimums and fees, so assistants answer cost questions accurately.
request_quoteCreates a seller lead on the family's behalf. Requires their explicit consent in the conversation.

REST API

EndpointNotes
GET /api/v1/saleszip, lat, lng, radius (miles), from, to (ISO), category, type, state, region, limit
GET /api/v1/sales/:slugOne sale with photos
GET /api/v1/companieszip, state, region, operator_type
GET /api/v1/companies/:slugOne company
GET /api/v1/regionsRegions and towns we cover
POST /api/v1/leadsCreate a seller lead. JSON body matches the quote form fields.
curl https://secondgems.com/api/v1/sales?zip=21093&when=15

Rules