# dolares-por-casa-fecha

Devuelve la cotización del dólar de la casa de cambio especificada en la fecha indicada (en formato YYYY/MM/DD).

Agent View of the PolicyLayer registry record for `dolares-por-casa-fecha`. HTML page: https://policylayer.com/tools/0xkoller-mcp-argentina-datos/dolares-por-casa-fecha

## Facts

- Tool: `dolares-por-casa-fecha`
- Server: MCP Argentina Datos (`0xkoller/mcp-argentina-datos`) — https://policylayer.com/tools/0xkoller-mcp-argentina-datos.md
- Homepage: https://github.com/0xKoller/mcp-argentina-datos
- Risk category: Read (Low risk)
- Registry record: grade A, identity unverified
- Server rate-limited: no
- Parameters: 0
- Recommended policy verdict: Allowed

## Example call (MCP tools/call, JSON-RPC 2.0)

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "dolares-por-casa-fecha",
    "arguments": {}
  }
}
```

## Why dolares-por-casa-fecha is rated Low

This tool retrieves historical exchange rate data for a specified currency exchange house and date. It performs a pure query operation with no side effects, no data modification, and no financial transaction capability. The tool cannot move money or commit financial obligations—it only reads and returns public exchange rate information. Therefore, it falls clearly into the Read category with low severity.

From the tool's own definition: "Tool name 'dolares-por-casa-fecha' and description 'Devuelve la cotización del dólar' (Returns the dollar exchange rate) indicate a retrieval operation. The parameters are a specific exchange house and date in YYYY/MM/DD format."

## Use case

AI agents call dolares-por-casa-fecha to retrieve information from MCP Argentina Datos without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

## Recommended policy (PolicyLayer)

Verdict: **Allowed**. Enforced by the PolicyLayer MCP gateway (https://policylayer.com/mcp-gateway) before a call reaches MCP Argentina Datos:

```json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "dolares-por-casa-fecha": {}
  }
}
```

## Other tools on MCP Argentina Datos (12)

- `diputados` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/diputados.md
- `diputados-actas` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/diputados-actas.md
- `diputados-actas-por-anio` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/diputados-actas-por-anio.md
- `dolares-historico` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/dolares-historico.md
- `dolares-por-casa` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/dolares-por-casa.md
- `eventos-presidenciales` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/eventos-presidenciales.md
- `get-feriados` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/get-feriados.md
- `get-feriados-timeframe` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/get-feriados-timeframe.md
- `salud` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/salud.md
- `senado-actas` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/senado-actas.md
- `senado-actas-por-anio` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/senado-actas-por-anio.md
- `senadores` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/senadores.md

## For agents

This record is a snapshot. Live verdicts and the full registry:

- Check every server in your MCP config at once: `npx -y policylayer stack`
- Vet a server before you add it: install the mcp-precheck skill — `npx skills add https://policylayer.com` (skill text: https://policylayer.com/skill.md)
- Query the registry over MCP: endpoint `https://api.policylayer.com/mcp` — tools `check_mcp_server`, `check_mcp_stack`, `check_tool`, `search_registry`, `get_change_events`

---

Source: the PolicyLayer MCP registry — one continuously verified record per MCP server. Full record: https://policylayer.com/registry?q=0xkoller-mcp-argentina-datos · API: https://policylayer.com/registry/api · Policy library: https://policylayer.com/policies/0xkoller-mcp-argentina-datos