Compara o custo de abertura e manutenção de uma holding familiar com o custo estimado de inventário judicial/extrajudicial no futuro. Calcula ITCMD por UF, honorários, ponto de virada patrimonial e economia líquida. Retorna se a holding compensa no horizonte informado e em quantos anos o custo ac...
AI agents call calcular_holding_vs_inventario 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 |
|---|---|---|---|
anosPrazo | integer | Yes | Horizonte de planejamento em anos (por quanto tempo a holding ficará ativa). |
ufContribuinte | string | Yes | Sigla do estado onde o inventário seria processado (ex: "SP", "RJ", "MG"). Define a alíquota de ITCMD. |
numeroHerdeiros | integer | Yes | Número de herdeiros. Afeta a complexidade e o custo estimado do inventário. |
patrimonioTotalCents | integer | Yes | Patrimônio total a transferir ou proteger via holding, em centavos. |
custoAnualHoldingCents | integer | Yes | Custo anual de manutenção da holding em centavos (contabilidade + compliance). Ex: R$ 6.000/ano → 600000. |
custoSetupHoldingCents | integer | — | Custo único de abertura da holding em centavos. Padrão: R$ 5.000 (registro + advogado + capital social). |
honorariosInventarioPct | number | — | Percentual de honorários sobre o patrimônio para inventário (%). Padrão: 10% (advocatícios + cartório + IRPF). |
taxaDescontoAnualPercent | number | — | Taxa de desconto real anual (%) para análise VPL. Quando > 0, compara custos a valor presente (inventário no fim do horizonte vs manutenção da holding descontad |
Parameters from the server's own tool schema.
This is a calculator/analyzer that performs read-only financial computations and returns results to inform decision-making. It does not execute financial transactions, commit obligations, create/modify records, or delete data. The tool compares scenarios and returns analysis, which is characteristic of Read category.
From the tool's definition Tool performs financial calculations and comparisons (ITCMD, honorários, custo acumulado) but explicitly 'Compara o custo' and 'Retorna se a holding compensa' — it retrieves and presents analyzed data with no side effects, no transactions, and no…
Attacks that exploit this kind of access
Compara o custo de abertura e manutenção de uma holding familiar com o custo estimado de inventário judicial/extrajudicial no futuro. Calcula ITCMD por UF, honorários, ponto de virada patrimonial e economia líquida. Retorna se a holding compensa no horizonte informado e em quantos anos o custo acumulado da holding iguala o custo do inventário. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_holding_vs_inventario accepts 8 parameters: anosPrazo, ufContribuinte, numeroHerdeiros, patrimonioTotalCents, custoAnualHoldingCents, custoSetupHoldingCents, honorariosInventarioPct, taxaDescontoAnualPercent. Required: anosPrazo, ufContribuinte, numeroHerdeiros, patrimonioTotalCents, custoAnualHoldingCents. 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_holding_vs_inventario: 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_holding_vs_inventario 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_holding_vs_inventario 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_holding_vs_inventario. 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_holding_vs_inventario 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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