Calcula reajuste de aluguel conforme índice (IGP-M, IPCA ou INCC) — Lei 8.245/91. Aplica o acumulado do índice ao valor atual. Suporta cláusula de piso zero (trava reajuste em 0% quando deflação). Calcula ganho real vs IPCA quando aplicável. Retorna: novo valor do aluguel, ganho mensal e anual, g...
AI agents call calcular_aluguel_reajuste 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 |
|---|---|---|---|
indice | string | Yes | Índice de reajuste do contrato: igpm, ipca ou incc |
pisoZero | boolean | Yes | Se o contrato tem cláusula de piso zero (não reduz o aluguel em deflação) |
dataReajuste | string | — | Data do reajuste no formato YYYY-MM-DD (informativo) |
dataInicioContrato | string | — | Data de início do contrato no formato YYYY-MM-DD (informativo) |
acumuladoIpcaPercent | number | — | IPCA acumulado no mesmo período (opcional, usado para calcular ganho real quando índice ≠ ipca) |
acumuladoIndicePercent | number | Yes | Variação acumulada do índice no período em % (pode ser negativa em deflação) |
valorAluguelAtualCents | integer | Yes | Valor atual do aluguel em centavos (ex: R$ 2.500 = 250000) |
Parameters from the server's own tool schema.
This is a read-only calculator that applies mathematical formulas based on Brazilian housing law (Lei 8.245/91) to compute rental adjustment scenarios. No data is created, modified, deleted, or financially committed—only calculations are performed and results returned. The tool has no side effects or persistent state changes, making it low-severity Read category.
From the tool's definition The tool 'calcular_aluguel_reajuste' performs calculations (Calcula reajuste de aluguel) based on provided indices and parameters.
Attacks that exploit this kind of access
Calcula reajuste de aluguel conforme índice (IGP-M, IPCA ou INCC) — Lei 8.245/91. Aplica o acumulado do índice ao valor atual. Suporta cláusula de piso zero (trava reajuste em 0% quando deflação). Calcula ganho real vs IPCA quando aplicável. Retorna: novo valor do aluguel, ganho mensal e anual, ganho real. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_aluguel_reajuste accepts 7 parameters: indice, pisoZero, dataReajuste, dataInicioContrato, acumuladoIpcaPercent, acumuladoIndicePercent, valorAluguelAtualCents. Required: indice, pisoZero, acumuladoIndicePercent, valorAluguelAtualCents. 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_aluguel_reajuste: 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_aluguel_reajuste 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_aluguel_reajuste 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_aluguel_reajuste. 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_aluguel_reajuste 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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