This tool is no longer present in the server's latest manifest. Showing the last observed version (server version 1.28.0).

onyx_fx_convert

Inactive

Tool of onyx-paid-mcp

declared in 1.28.0

Convert between any two fiat currencies (USD, EUR, GBP, JPY, BRL, USDC-equivalent, 160+ ISO-4217 codes) at the current mid-market rate. Returns both the rate and the converted amount, plus the rate's last update timestamp. Use when an agent needs to price a service in another currency, normalize multi-currency invoices, or convert x402 USDC amounts to local fiat for human-readable receipts. Powered by open.er-api.com (free tier, no key). ~150-400ms. Demo mode returns USD-EUR @ 0.92 for testing. (price: $0.002 USDC, tier: metered)

Parameters schema

{
  "type": "object",
  "required": [
    "from",
    "to"
  ],
  "properties": {
    "to": {
      "type": "string",
      "description": "ISO-4217 target currency code"
    },
    "from": {
      "type": "string",
      "description": "ISO-4217 source currency code"
    },
    "amount": {
      "type": "number",
      "default": 1
    }
  }
}

What this tool wraps· 1 endpoint

min confidence0.70 0.50

Packagepypi: x402
declared dependency0.85

Parent server

onyx-paid-mcp

https://github.com/dimitrilaouanis-tech/onyx-mcp

2/7 registries

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