Simula aposentadoria FIRE-style. Acumula até idade alvo (juros compostos com aporte mensal e reajuste salarial) e calcula renda mensal perpétua via taxa de retirada (regra 4% Bengen, composta = 0.327%/mês). Útil pra responder "quanto preciso pra aposentar?", "se eu aposentar aos X com aporte Y, q...
AI agents call calcular_simulador_aposentadoria 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 |
|---|---|---|---|
idadeAtual | integer | Yes | Idade atual em anos |
aporteAnualExtra | integer | — | Aporte extra anual em centavos (some 13º + PLR + bônus). Aplicado a cada 12 meses. Default 0. |
aporteMensalCents | integer | — | Aporte mensal em centavos. Default 0. |
taxaMensalPercent | number | — | Rentabilidade real mensal esperada (%). Default ~0.65% = ~8% a.a. real. |
idadeAposentadoria | integer | Yes | Idade pretendida de aposentadoria (deve ser > idadeAtual) |
patrimonioAtualCents | integer | — | Patrimônio acumulado hoje em centavos. Default 0. |
taxaRetiradaMensalPercent | number | — | Taxa de retirada mensal pós-aposentadoria. Default 0.327% (regra 4% a.a. composta). |
reajusteAnualAportesPercent | number | — | Reajuste anual do aporte (%) — simula crescimento salarial. Default 0. |
Parameters from the server's own tool schema.
This is a financial calculator that performs mathematical simulations and returns computed results (compound interest accumulation, retirement income projections, withdrawal rate analysis). It reads input parameters and returns calculated outputs without modifying data, creating records, executing external systems, or processing actual financial transactions.
From the tool's definition Tool name contains 'simula' and description states it 'Simula aposentadoria' and 'calcula renda mensal' — these are computational/analytical operations.
Attacks that exploit this kind of access
Simula aposentadoria FIRE-style. Acumula até idade alvo (juros compostos com aporte mensal e reajuste salarial) e calcula renda mensal perpétua via taxa de retirada (regra 4% Bengen, composta = 0.327%/mês). Útil pra responder "quanto preciso pra aposentar?", "se eu aposentar aos X com aporte Y, qual minha renda?". Retorna saldo final, total aportado, juros, renda mensal, série mensal trimestralizada. Fonte: matemática financeira clássica + Trinity Study. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_simulador_aposentadoria accepts 8 parameters: idadeAtual, aporteAnualExtra, aporteMensalCents, taxaMensalPercent, idadeAposentadoria, patrimonioAtualCents, taxaRetiradaMensalPercent, reajusteAnualAportesPercent. Required: idadeAtual, idadeAposentadoria. 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_simulador_aposentadoria: 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_simulador_aposentadoria 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_simulador_aposentadoria 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_simulador_aposentadoria. 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_simulador_aposentadoria 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.
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