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NBP Gold Price History (National Bank of Poland)

nbp/gold-price-history

The most recent gold prices NBP (Narodowy Bank Polski, the National Bank of Poland) has calculated and published, oldest first: the price in Polish zloty (PLN) of one gram of gold of 1000 millesimal fineness. You choose how many of the latest quotations, 1 to 255; the last entry is the newest. Quotations exist for business days only; field names are in Polish (data is the date, cena the price). National Bank of Poland data as served by Eden Engine, not an official NBP product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $5.

Data source

Narodowy Bank Polski (National Bank of Poland)

Data from Narodowy Bank Polski (National Bank of Poland), published through its NBP Web API at api.nbp.pl. No attribution requirement was found in the material reviewed; credit offered as a courtesy: Source: Narodowy Bank Polski (api.nbp.pl). Served by Eden Engine; not an official NBP product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install itCreate an account
agent
// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "nbp/gold-price-history" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "nbp/gold-price-history" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "nbp/gold-price-history", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "nbp/gold-price-history", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

ChargePrice
Per call
$0.0026
Updated
Oct 20, 2026

Input and output schemas

Input schema
input_schema.json
{
  "type": "object",
  "required": [
    "count"
  ],
  "properties": {
    "count": {
      "type": "integer",
      "maximum": 255,
      "minimum": 1,
      "description": "How many of the most recent gold price quotations to return, 1 to 255. Required."
    }
  },
  "additionalProperties": false
}
Output schema
output_schema.json
{
  "type": "object",
  "required": [
    "results"
  ],
  "properties": {
    "results": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "data",
          "cena"
        ],
        "properties": {
          "cena": {
            "type": "number",
            "description": "Price in PLN of one gram of gold of 1000 millesimal fineness."
          },
          "data": {
            "type": "string",
            "description": "Publication date, YYYY-MM-DD."
          }
        },
        "additionalProperties": true
      },
      "description": "One entry per quotation, oldest first; the last is the newest."
    }
  },
  "description": "The latest gold price quotations, oldest first.",
  "additionalProperties": false
}