StackerScan

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

Five read-only tools: spot prices, observed premiums, price history, Goldback rate, and currencies.

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "StackerScan": {
      "url": "https://www.stackerscan.com/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (5)

• get_spot_prices read-only

  Current and previous-session spot prices for gold, silver, platinum, palladium, copper and nickel, in any supported currency and per troy ounce or gram.

  Parameters:

  • base — string — A currency code from the live catalog at /api/currencies (ISO 4217 fiat plus BTC and the metal codes). Defaults to USD.
  • unit — string — Price per troy ounce or per gram. Defaults to troy_oz.
  • metals — array — Metal symbols to include (xau gold, xag silver, xpt platinum, xpd palladium, xcu copper, ni nickel). Omit for all six; Goldback is not a spot metal.

  Hints: read-only yes · destructive no · idempotent not declared · open-world yes

• get_observed_premiums read-only

  Rolling fine-metal-weighted median asking premiums for silver, gold, platinum, palladium, copper, nickel and Goldback, observed from marketplace listings.

  Parameters:

  • metal (required) — string — Which metal's observed premiums to return.
  • limit — integer — Product page size. Without a query, pages browse the most-listed products.
  • query — string — Case-insensitive product label/canonical-key search.
  • cursor — string — Opaque continuation token returned by the same tool with exactly the same filters.

  Hints: read-only yes · destructive no · idempotent not declared · open-world yes

• get_price_history read-only

  Daily historical series for charting — one metal or the Goldback.

  Parameters:

  • metal (required) — string — The metal (or Goldback) whose history to return.
  • base — string — A currency code from the live catalog at /api/currencies (ISO 4217 fiat plus BTC and the metal codes). Defaults to USD.
  • days — integer — How many trailing days of history to return.
  • limit — integer
  • cursor — string — Opaque continuation token returned by the same tool with exactly the same filters.
  • format — string — ohlc returns open/high/low/close rows; line returns closes.

  Hints: read-only yes · destructive no · idempotent not declared · open-world yes

• get_goldback_rate read-only

  The latest Goldback premium multiple over its gold content, and the exchange rate that follows from it.

  Parameters:

  • base — string — A currency code from the live catalog at /api/currencies (ISO 4217 fiat plus BTC and the metal codes). Defaults to USD.

  Hints: read-only yes · destructive no · idempotent not declared · open-world yes

• list_supported_currencies read-only

  The live list of codes every `currency`/`base` parameter accepts — ISO 4217 fiat plus the metal codes.

  Parameters:

  • limit — integer
  • query — string — Case-insensitive substring match against code or name.
  • cursor — string — Opaque continuation token returned by the same tool with exactly the same filters.

  Hints: read-only yes · destructive no · idempotent not declared · open-world yes

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