holdmark · facts about online stores

Connect Remote server

claude mcp add --transport http registry https://holdmark.org/mcp

{
  "mcpServers": {
    "registry": {
      "url": "https://holdmark.org/mcp"
    }
  }
}

{
  "servers": {
    "registry": {
      "type": "http",
      "url": "https://holdmark.org/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://holdmark.org/mcp

Tools 3 found in our last check

• find_stores

  List the online stores in the holdmark registry, with a summary of their published facts. Each store publishes the same facts under the same rules: whether it delivers its orders (checked with the carrier) and whether it refunds money (checked with the payment processor). holdma…

• get_store

  Read the full holdmark record for one store, by its domain. Figures are rounded against the merchant, order volume is published in bands rather than exact numbers, and every figure carries the period it covers and the source it came from. A fact with no data answers "not_measure…

• how_holdmark_works

  How every figure in the registry is calculated, what the words mean, and above all what holdmark does NOT measure. Read this before drawing a conclusion from any record: it is what stops a figure being read as something it is not.

Details

More finance and crypto servers See all

• RightCard

  Which of your credit cards to use at any store, from verified bank data. No bank login.

• Africa Compliance Data

  African holidays, business days, VAT, withholding tax, tax treaties, tax IDs and filing deadlines

• BusCalc Business Calculators

  Business calculators, data lookups, replayable receipts, and documentation for enterprise pilots.

• CarLoanMath

  US car loan math: monthly payment, compare loans, max price for your budget, amortization. Free.

• InfinityVolume

  Dollar volume across 13 stock markets and US sectors, against each one's own normal. No prices.

• xytara MCP Executor

  Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then x402 or a spend key.