# dolares-por-casa

Devuelve las cotizaciones del dólar de la casa de cambio especificada.

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

## Facts

- Tool: `dolares-por-casa`
- 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",
    "arguments": {}
  }
}
```

## Why dolares-por-casa is rated Low

This tool retrieves financial data (dollar exchange rates) from a specific exchange house. It is purely informational—a Read operation that queries existing data with no side effects, modifications, or transactions. While it relates to financial information, it does not move money, commit financial obligations, or execute trades; it merely provides reference rates, which is typical Read access to public market data.

From the tool's own definition: "Tool name 'dolares-por-casa' and description 'Devuelve las cotizaciones del dólar de la casa de cambio especificada' (Returns the dollar exchange rates from the specified exchange house) indicate a retrieval/query operation that fetches exchange rate data…"

## Use case

AI agents call dolares-por-casa 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": {}
  }
}
```

## 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-fecha` — Read — https://policylayer.com/tools/0xkoller-mcp-argentina-datos/dolares-por-casa-fecha.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