mcp-currency-converter

MCP server exposing a currency conversion tool for AI agents (Claude, Cursor, ChatGPT, any MCP client).

Tools

| Tool | Description | |------|-------------| | convert_currency | Convert an amount between two currencies (live ECB reference rates) | | get_exchange_rate | Get the current rate between two currencies |

Data source

Frankfurter API — European Central Bank daily reference rates. Free, no API key. ~170 currencies.

Usage

npm install
npm run build
npm start          # stdio MCP server

Test with the MCP Inspector:

npx @modelcontextprotocol/inspector node dist/index.js

Or point any MCP client at:

{
  "mcpServers": {
    "currency-converter": {
      "command": "node",
      "args": ["/path/to/mcp-servers/currency-converter/dist/index.js"]
    }
  }
}

Example

convert_currency({ amount: 100, from: "USD", to: "EUR" })
→ 100.00 USD = 86.69 EUR (rate 0.86693, ECB ref 2026-08-07)

License

MIT