dolar-mcp

Instructions

Implementation Reference

• src/actions.ts:33-35 (handler)

  The main handler function getAllCurrencies that executes the tool logic by fetching from /v1/cotizaciones endpoint

  export async function getAllCurrencies(client: DolarApiClient): Promise<unknown> {
    return client.get<CurrencyRate[]>("/v1/cotizaciones");
  }

• src/mcp-server.ts:45-58 (registration)

  Registration of get_all_currencies tool with the MCP server, including description and handler mapping

  server.tool(
    "get_all_currencies",
    "Get all foreign currency exchange rates vs ARS (EUR, BRL, UYU, CLP, etc.).",
    {},
    async () => {
      try {
        const result = await tools.get_all_currencies();
        return { content: [{ type: "text", text: JSON.stringify(result, null, 2) }] };
      } catch (error) {
        const message = error instanceof Error ? error.message : String(error);
        return { content: [{ type: "text", text: message }], isError: true };
      }
    },
  );

• src/index.ts:24-24 (registration)

  Tool export mapping get_all_currencies to the getAllCurrencies function

  get_all_currencies: () => getAllCurrencies(client),

• src/actions.ts:13-20 (schema)

  Type definition for CurrencyRate interface defining the structure of currency exchange rate data

  interface CurrencyRate {
    moneda: string;
    casa: string;
    nombre: string;
    compra: number;
    venta: number;
    fechaActualizacion: string;
  }