Simula financiamento imobiliário brasileiro. SAC (padrão Caixa): primeira parcela alta, decresce ao longo do tempo, total de juros menor. PRICE: parcelas fixas, mais caras no total. Use para comparar sistemas, decidir prazo, planejar compra. Retorna primeira e última parcela, total pago, total de...
AI agents call calcular_financiamento_imobiliario to retrieve information from Contaí — Calculadoras Fiscais Brasileiras without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
sistema | string | Yes | SAC: parcelas decrescentes (amortização constante). Price: parcelas fixas |
prazoMeses | integer | Yes | Prazo em meses (360 = 30 anos máximo típico) |
entradaCents | integer | Yes | Valor da entrada em centavos (≥ 20% do imóvel recomendado) |
custosTransacao | array | — | Custos one-shot de transação agrupados por categoria. Cada item: { categoria, valorCents, descricao? }. Categorias: itbi, registro_cartorio, escritura, avaliaca |
taxaAnualPercent | number | Yes | Taxa de juros anual do financiamento (ex.: Caixa 2026 ~10.49%) |
valorImovelCents | integer | Yes | Valor do imóvel em centavos (R$ 500.000 = 50000000) |
Parameters from the server's own tool schema.
This tool performs computational simulation and analysis of mortgage financing scenarios to support decision-making. It retrieves calculated outputs based on input parameters but does not commit, execute, or process actual financial transactions. No money moves, no irreversible actions occur, and no external systems are modified.
From the tool's definition Tool simulates and returns financial calculations (first/last payment, total paid, total interest, acquisition costs). Keywords: 'Simula', 'Retorna', 'comparar', 'planejar' indicate querying/analysis without executing actual transactions or moving money.
Attacks that exploit this kind of access
Simula financiamento imobiliário brasileiro. SAC (padrão Caixa): primeira parcela alta, decresce ao longo do tempo, total de juros menor. PRICE: parcelas fixas, mais caras no total. Use para comparar sistemas, decidir prazo, planejar compra. Retorna primeira e última parcela, total pago, total de juros, custos de transação categorizados (ITBI/cartório/escritura/MIP/DFI), custo total de aquisição e valor total pago com custos. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_financiamento_imobiliario accepts 6 parameters: sistema, prazoMeses, entradaCents, custosTransacao, taxaAnualPercent, valorImovelCents. Required: sistema, prazoMeses, entradaCents, taxaAnualPercent, valorImovelCents. The full parameter table on this page comes from the server's own tool schema.
Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for calcular_financiamento_imobiliario: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Contaí — Calculadoras Fiscais Brasileiras. Nothing to install.
calcular_financiamento_imobiliario is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the calcular_financiamento_imobiliario rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for calcular_financiamento_imobiliario. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
calcular_financiamento_imobiliario is provided by the Contaí — Calculadoras Fiscais Brasileiras MCP server (@contai-evoluke/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →