Datos UY/AR MCP

An official MCP server providing access to official economic and administrative data for Uruguay and Argentina. It allows agents to retrieve indexed unit values (UI, UVA, CER), official exchange rates from central banks, holiday schedules, business days calculations, and validate tax ID formats (RUT/CUIT).

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by Datos UY/AR

MCP endpoint (Streamable HTTP)

https://datosuyar.dev/mcp

Vendor documentation

What you can do with it

Retrieve official exchange rates and inflation data from BCU and BCRA
Calculate business days and determine upcoming holidays in Uruguay and Argentina
Convert amounts between local currencies and indexed units like UI or UVA
Validate the format of Uruguayan RUT and Argentine CUIT identifiers

Tools advertised by the last live check:

uy_ui
uy_ui_historico
uy_cotizaciones
ar_feriados
ar_feriado_proximo
uy_feriados
uy_feriado_proximo
uy_rut
ar_cuit
es_feriado
dias_habiles
uy_ui_convertir
ar_uva
ar_uva_convertir
ar_dolar
ar_cer
ar_inflacion
ar_tasas
cuota

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http datos-uy-ar-mcp https://datosuyar.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add datos-uy-ar-mcp --url https://datosuyar.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable datos-uy-ar-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "datos-uy-ar-mcp": {
      "url": "https://datosuyar.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "datos-uy-ar-mcp": {
      "type": "streamableHttp",
      "url": "https://datosuyar.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start datos-uy-ar-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "datos-uy-ar-mcp": {
      "type": "http",
      "url": "https://datosuyar.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http datos-uy-ar-mcp https://datosuyar.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "datos-uy-ar-mcp": {
      "url": "https://datosuyar.dev/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "datos-uy-ar-mcp": {
      "serverUrl": "https://datosuyar.dev/mcp"
    }
  }
}

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