Dolar MCP

Community Finance and payments

Argentine exchange rates via DolarAPI (blue, oficial, MEP, CCL, crypto, tarjeta), plus currency conversion and a spread calculator.

Install

The installation steps are in the documentation below. Documentation

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. dolar-mcp
  2. Quick Start
  3. Available Tools
  4. Example Prompts
  5. Programmatic Usage
  6. Data Source
  7. Part of the LATAM MCP Toolkit
  8. License

dolar-mcp

Argentine exchange rates for AI agents.

MCP server that gives AI agents real-time access to Argentine exchange rates via DolarAPI. Dollar blue, oficial, MEP, CCL, crypto — plus currency conversion and spread calculator.

No API key required.

npm | GitHub


Quick Start

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "dolar": {
      "command": "npx",
      "args": ["-y", "@dan1d/dolar-mcp"]
    }
  }
}
Claude Code
claude mcp add dolar -- npx -y @dan1d/dolar-mcp
Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "dolar": {
      "command": "npx",
      "args": ["-y", "@dan1d/dolar-mcp"]
    }
  }
}
Windsurf
{
  "mcpServers": {
    "dolar": {
      "command": "npx",
      "args": ["-y", "@dan1d/dolar-mcp"]
    }
  }
}

Once configured, ask your AI assistant things like: "How much is the dollar blue today?" or "Convert 100 USD blue to ARS" or "What's the spread between blue and oficial?"


Available Tools

ToolDescription
get_all_dollarsGet all dollar exchange rates: blue, oficial, bolsa (MEP), contado con liqui (CCL), cripto, mayorista, and tarjeta. Returns buy/sell prices.
get_dollarGet a specific dollar type rate. Types: blue, oficial, bolsa, contadoconliqui, cripto, mayorista, tarjeta.
get_all_currenciesGet all foreign currency exchange rates vs ARS (EUR, BRL, UYU, CLP, etc.).
get_currencyGet exchange rate for a specific foreign currency vs ARS.
convertConvert an amount between ARS and any currency or dollar type. At least one side must be ARS. Supports use_buy flag for buy rate.
get_spreadCalculate the spread (difference) between two dollar types, e.g. blue vs oficial. Returns absolute and percentage spread.

Example Prompts

  • "Dame todas las cotizaciones del dolar"
  • "Cuanto sale el dolar blue hoy?"
  • "Converti 500 USD blue a pesos"
  • "Cual es la brecha entre el oficial y el blue?"
  • "Cuanto esta el euro?"
  • "Converti 1000 EUR a ARS"

Programmatic Usage

npm install @dan1d/dolar-mcp
import { createDolarTools } from "@dan1d/dolar-mcp";

const dolar = createDolarTools();

// Get all dollar rates
const rates = await dolar.tools.get_all_dollars();

// Get blue dollar specifically
const blue = await dolar.tools.get_dollar({ type: "blue" });

// Convert 100 USD blue to ARS
const converted = await dolar.tools.convert({
  amount: 100,
  from: "blue",
});

// Calculate spread between oficial and blue
const spread = await dolar.tools.get_spread({
  type_a: "oficial",
  type_b: "blue",
});

Data Source

All data comes from DolarAPI, a free public API for Argentine exchange rates. No authentication required. Data is updated in real time.


Part of the LATAM MCP Toolkit

ServerWhat it does
CobroYaMercado Pago payments — create links, search payments, refunds
MercadoLibre MCPMercadoLibre marketplace — search products, categories, trends
DolarAPI MCPArgentine exchange rates — blue, oficial, CCL, crypto, conversion

License

MIT -- by dan1d

Frequently asked questions

What is Dolar MCP?

Argentine exchange rates via DolarAPI (blue, oficial, MEP, CCL, crypto, tarjeta), plus currency conversion and a spread calculator.

How do I install Dolar MCP?

Follow the installation steps in its documentation, shown on this page and in its repository.

Is Dolar MCP open source?

Yes. Its code is on GitHub under the MIT license.

Who maintains Dolar MCP?

It is published by dan1d. AI.tn lists it but does not maintain or endorse it.

From the community awesome-mcp-servers lists and the project's GitHub repository. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.