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SoldStack

io.github.aar-ont/soldstack · v1.3.0

Cleaned sold prices for used clothing, shoes and bags: Poshmark US and Canada.

Connect Remote server

Terminal
claude mcp add --transport http soldstack https://soldstack.dev/mcp --header "X-API-Key: <X_API_KEY>"
~/.cursor/mcp.json
{
  "mcpServers": {
    "soldstack": {
      "url": "https://soldstack.dev/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "soldstack": {
      "type": "http",
      "url": "https://soldstack.dev/mcp",
      "headers": {
        "X-API-Key": "<X_API_KEY>"
      }
    }
  }
}
Claude Desktop
Settings > Connectors > Add custom connector
URL: https://soldstack.dev/mcp

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools 3 found in our last check

  • sold_comps

    What an item actually sold for on Poshmark: median sold price, typical range (p10-p90), days to sell, what the seller keeps after fees, price by condition, a confidence rating, and the matching sales. Call it for one item at a time; if it reports busy, wait the given number of s…

  • buy_or_pass

    Whether an item is worth buying at a given cost to resell on Poshmark: buy, maybe or pass with the reason, judged from its clean sold comps after Poshmark's fee. Call it for one item at a time; if it reports busy, wait the given number of seconds and call again. query: brand + i…

  • value_donation_list

    Fair-market values for a whole donation list (clothing, shoes, bags and household goods: kitchen, home, electronics, media, toys, baby gear, pets, beauty), each item with the Poshmark sales behind it, a list total and a dated method paragraph the donor can keep with their record…

Headers

NameDescription
X-API-Key
Required, secret
Your SoldStack API key (free at https://soldstack.dev, 100 lookups a month)

Details

Endpointhttps://soldstack.dev/mcp (Streamable HTTP)
First published25 Oct 2026
Last updated25 Oct 2026
Registry nameio.github.aar-ont/soldstack

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