dan1d/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
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Quick Start
Claude Desktop
Add to your claude_desktop_config.json:
Claude Code
Cursor
Add to .cursor/mcp.json:
Windsurf
> 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?"*
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Available Tools
| Tool | Description |
|------|-------------|
| get_all_dollars | Get all dollar exchange rates: blue, oficial, bolsa (MEP), contado con liqui (CCL), cripto, mayorista, and tarjeta. Returns buy/sell prices. |
| get_dollar | Get a specific dollar type rate. Types: blue, oficial, bolsa, contadoconliqui, cripto, mayorista, tarjeta. |
| get_all_currencies | Get all foreign currency exchange rates vs ARS (EUR, BRL, UYU, CLP, etc.). |
| get_currency | Get exchange rate for a specific foreign currency vs ARS. |
| convert | Convert 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_spread | Calculate the spread (difference) between two dollar types, e.g. blue vs oficial. Returns absolute and percentage spread. |
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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"
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Programmatic Usage
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Data Source
All data comes from DolarAPI, a free public API for Argentine exchange rates. No authentication required. Data is updated in real time.
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Part of the LATAM MCP Toolkit
| Server | What it does |
|--------|-------------|
| CobroYa | Mercado Pago payments — create links, search payments, refunds |
| MercadoLibre MCP | MercadoLibre marketplace — search products, categories, trends |