Para múltiplas metas em paralelo (carro, viagem, casa), calcula em quantos meses o saldo da carteira (capital + aportes + juros compostos) atinge cada alvo. Retorna porMeta[{ nome, mesesParaAtingir, atingidaEm }]. Útil para responder "quando consigo cada uma das minhas metas?" com saldo único.
AI agents call calcular_rendimento_ate_meta 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 |
|---|---|---|---|
metas | array | Yes | Lista de metas (1 a 20). Para cada meta, calculamos quando o saldo atinge o alvo. |
currentDate | string | — | Data de referência YYYY-MM-DD para tabelas fiscais (INSS/IRRF/IOF/etc.). Default: hoje. |
prazoMaximoMeses | integer | — | Prazo máximo em meses (1 a 1200). Default 600 (50 anos). |
aporteMensalCents | integer | — | Aporte mensal em centavos. Default R$ 500 = 50000. |
taxaMensalPercent | number | — | Taxa de rendimento mensal em %. Default 0.7%. |
capitalInicialCents | integer | — | Capital inicial em centavos. Default 0. |
Parameters from the server's own tool schema.
Although this tool operates in the financial domain, it does not move money, commit financial obligations, or execute transactions. It is a read-only calculation and projection tool that takes input parameters (savings goals, capital, deposit rates) and returns informational results. No data is modified, deleted, or written to any system.
From the tool's definition The tool 'calcular_rendimento_ate_meta' performs financial calculations and projections—it computes compound interest growth over time and determines when savings targets will be reached. The description states it 'calcula em quantos meses o saldo da carteira.
Attacks that exploit this kind of access
Para múltiplas metas em paralelo (carro, viagem, casa), calcula em quantos meses o saldo da carteira (capital + aportes + juros compostos) atinge cada alvo. Retorna porMeta[{ nome, mesesParaAtingir, atingidaEm }]. Útil para responder "quando consigo cada uma das minhas metas?" com saldo único. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_rendimento_ate_meta accepts 6 parameters: metas, currentDate, prazoMaximoMeses, aporteMensalCents, taxaMensalPercent, capitalInicialCents. Required: metas. 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_rendimento_ate_meta: 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_rendimento_ate_meta 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_rendimento_ate_meta 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_rendimento_ate_meta. 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_rendimento_ate_meta 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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