Retorna a tabela progressiva do IRRF mensal (5 faixas: isento até R$ 2.428,80; 7,5%; 15%; 22,5%; 27,5% acima de R$ 4.664,68) + dedução por dependente (R$ 189,59) + redutor da Lei 15.270/2025 (isenção integral até R$ 5.000, redução gradual até R$ 7.350). Fórmula: IRRF = max(0, base × alíquota − de...
AI agents call consultar_irpf_tabela 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 |
|---|---|---|---|
mes_ano | string | — | Mês/ano de referência no formato YYYY-MM. Default: vigente atual. Histórico anterior a 2026 não disponível em v0.3 — sempre retorna o atual com warning. |
Parameters from the server's own tool schema.
This is a read-only query tool that returns reference data (tax brackets, deduction amounts, legal reducer parameters). It neither modifies state nor executes arbitrary operations; it simply exposes structured fiscal information for consultation and calculation validation. The optional 'mes_ano' parameter is used for filtering/selecting which table to return, not for mutations.
From the tool's definition Tool name 'consultar_irpf_tabela' and description 'Retorna a tabela progressiva' (returns the progressive table). The tool retrieves and returns current tax bracket information, deductions, and formulas for Brazilian IRPF calculations.
Attacks that exploit this kind of access
Retorna a tabela progressiva do IRRF mensal (5 faixas: isento até R$ 2.428,80; 7,5%; 15%; 22,5%; 27,5% acima de R$ 4.664,68) + dedução por dependente (R$ 189,59) + redutor da Lei 15.270/2025 (isenção integral até R$ 5.000, redução gradual até R$ 7.350). Fórmula: IRRF = max(0, base × alíquota − dedução), onde base = salário − INSS − dependentes × 189,59. Útil pra LLM explicar cálculo, validar holerite, comparar tabelas anteriores. Aceita mes_ano opcional — em v0.3 sempre retorna a vigente. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
consultar_irpf_tabela accepts 1 parameter: mes_ano. 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 consultar_irpf_tabela: 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.
consultar_irpf_tabela 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 consultar_irpf_tabela 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 consultar_irpf_tabela. 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.
consultar_irpf_tabela 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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