Compara MEI × Simples Nacional × Lucro Presumido pra um perfil de empresa. Retorna custo anual e alíquota efetiva de cada regime, indica elegibilidade (limites de faturamento) e o vencedor. Considera Fator R automaticamente em serviços intelectuais (anexo V → III com folha alta). Cálculo mais val...
AI agents call calcular_comparador_regime_tributario 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 |
|---|---|---|---|
atividade | string | Yes | Tipo de atividade. servicos_intelectuais = consultoria, advocacia, medicina, TI, etc. (afeta anexo III/V). |
folhaPagamento | array | — | Benefícios CLT anuais categorizados (plano_saude, vale_alimentacao, vale_refeicao, vale_transporte, auxilio_creche, previdencia_privada_empresarial, gympass_wel |
issIcmsPercent | number | — | Alíquota ISS/ICMS (%). Default 3. |
proLaboreCents | integer | — | Pro-labore anual (centavos). Sobrepõe folhaAnualCents quando informado junto com folhaSalariosClt/folhaPagamento. |
folhaAnualCents | integer | — | Folha anual (pró-labore + funcionários + encargos) em centavos. Default 0. |
folhaSalariosClt | integer | — | Salários CLT brutos anuais (centavos). Detalha o numerador do Fator R. |
faturamentoMensalCents | integer | Yes | Faturamento mensal médio em centavos (anual = ×12) |
Parameters from the server's own tool schema.
This is a computational/analytical tool that processes input parameters and returns comparative tax calculations. It performs no side effects—no financial transactions occur, no data is persisted, no systems are modified. The tool assists decision-making by showing different tax regime outcomes, which is inherently a Read operation.
From the tool's definition Tool compares and returns calculations ("Retorna custo anual e alíquota efetiva", "indica elegibilidade", "o vencedor") for tax regime scenarios. No data is created, modified, or deleted; it only retrieves and calculates information to inform decision-making.
Risk signalsHigh parameter count (10 properties)
Attacks that exploit this kind of access
Compara MEI × Simples Nacional × Lucro Presumido pra um perfil de empresa. Retorna custo anual e alíquota efetiva de cada regime, indica elegibilidade (limites de faturamento) e o vencedor. Considera Fator R automaticamente em serviços intelectuais (anexo V → III com folha alta). Cálculo mais valioso da plataforma pra owner-operator decidindo abertura/migração de empresa. Fonte: LC 123/2006 + LC 155/2016 + Lei 9.249/95. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_comparador_regime_tributario accepts 7 parameters: atividade, folhaPagamento, issIcmsPercent, proLaboreCents, folhaAnualCents, folhaSalariosClt, faturamentoMensalCents. Required: atividade, faturamentoMensalCents. 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_comparador_regime_tributario: 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_comparador_regime_tributario 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_comparador_regime_tributario 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_comparador_regime_tributario. 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_comparador_regime_tributario 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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