calcular_carne_leao | PolicyLayer

WHAT IT DOES

What calcular_carne_leao does on Contaí — Calculadoras Fiscais Brasileiras

AI agents call calcular_carne_leao 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.

PARAMETERS

Parameter	Type	Required	Description
`currentDate`	string	—	Data de referência YYYY-MM-DD para tabelas fiscais (INSS/IRRF/IOF/etc.). Default: hoje.
`dependentes`	integer	—	Número de dependentes legais (0-20). Dedução: R$ 189,59/dependente/mês.
`deducaoDespesas`	array	—	Despesas comprovadas do livro caixa agrupadas por categoria (aluguel_espaco, materia_prima, software_assinaturas, etc.). Cada item: { categoria, valorCents, des
`inssRecolhidoCents`	integer	—	Contribuição INSS já recolhida no mês em centavos (contribuinte individual ou facultativo).
`rendimentoBrutoCents`	integer	Yes	Rendimento bruto recebido no mês em centavos (ex: 500000 = R$ 5.000,00)
`pensaoAlimenticiaQuitadaCents`	integer	—	Pensão alimentícia paga por decisão judicial, em centavos.

Parameters from the server's own tool schema.

WHY IT NEEDS A POLICY

Why calcular_carne_leao needs a policy

calcular_carne_leao is a computational tool that performs tax calculations based on input parameters and returns a result. It retrieves and applies tax rules and formulas to produce informational output (a tax calculation). The tool does not create, modify, delete, or execute system-level operations. No write operations, financial transactions, or destructive actions occur.

From the tool's definition Tool performs calculation of Carnê-Leão (monthly IR tax) applying progressive IRPF tables to net calculation base with permitted deductions.

Attacks that exploit this kind of access

Questions about calcular_carne_leao

What does the calcular_carne_leao tool do? +

Calcula o Carnê-Leão (IR mensal) de autônomos, profissionais liberais e locadores. Aplica a tabela progressiva IRPF mensal 2026 sobre a base de cálculo líquida. Deduções permitidas: despesas do livro caixa, dependentes (R$ 189,59/mês cada), INSS recolhido e pensão alimentícia judicial. IMPORTANTE: o redutor de isenção da Lei 15.270/2025 (até R$ 5.000) NÃO se aplica ao Carnê-Leão — é exclusivo do IRRF de empregados CLT. Vencimento do DARF: último dia útil do mês seguinte. Código DARF: 0190. Fonte: RIR/2018 art. 118-119, Lei 7.713/1988. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.

What parameters does calcular_carne_leao accept? +

calcular_carne_leao accepts 6 parameters: currentDate, dependentes, deducaoDespesas, inssRecolhidoCents, rendimentoBrutoCents, pensaoAlimenticiaQuitadaCents. Required: rendimentoBrutoCents. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on calcular_carne_leao? +

Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for calcular_carne_leao: 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.

What risk level is calcular_carne_leao? +

calcular_carne_leao is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit calcular_carne_leao? +

Yes. Add a rate_limit block to the calcular_carne_leao 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.

How do I block calcular_carne_leao completely? +

Set action: deny in the PolicyLayer policy for calcular_carne_leao. 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.

What MCP server provides calcular_carne_leao? +

calcular_carne_leao 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.