Estima custos totais de inventário: ITCMD por UF + custas cartoriais + honorários advocatícios. ITCMD: tabela por estado (EC 132/2023 — progressivo obrigatório até 2027). Meação do viúvo reduz base tributável à metade. Testamento força inventário judicial (Lei 11.441/07). Retorna: ITCMD, custas, ...
AI agents call calcular_itcmd_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 |
|---|---|---|---|
uf | string | Yes | Estado (UF) onde se realiza o inventário |
temTestamento | boolean | Yes | Se há testamento (força inventário judicial — Lei 11.441/07) |
temViuvoMeacao | boolean | Yes | Se há viúvo(a) com direito à meação (reduz base tributável à metade) |
numeroHerdeiros | integer | Yes | Número de herdeiros |
patrimonioTotalCents | integer | Yes | Patrimônio total do espólio em centavos |
inventarioExtrajudicial | boolean | Yes | Se deseja fazer inventário extrajudicial (apenas possível sem testamento) |
honorariosAdvogadoPercent | number | Yes | Honorários advocatícios em % do patrimônio (ex: 6.0 para 6%) |
custoCartorialEstimadoPercent | number | Yes | Estimativa de custas cartoriais em % do patrimônio (ex: 2.0 para 2%) |
Parameters from the server's own tool schema.
This tool performs tax calculation and cost estimation based on Brazilian inheritance tax (ITCMD) regulations and estate inventory data. It retrieves/queries regulatory tables and performs arithmetic computations to provide estimates and projections. There are no side effects—no data is created, modified, deleted, or externally executed. This is purely an informational/computational Read operation.
From the tool's definition Tool description states it 'Estima custos totais' (estimates total costs) and 'Retorna: ITCMD, custas, honorários, custo total e % sobre patrimônio' (returns calculations).
Attacks that exploit this kind of access
Estima custos totais de inventário: ITCMD por UF + custas cartoriais + honorários advocatícios. ITCMD: tabela por estado (EC 132/2023 — progressivo obrigatório até 2027). Meação do viúvo reduz base tributável à metade. Testamento força inventário judicial (Lei 11.441/07). Retorna: ITCMD, custas, honorários, custo total e % sobre patrimônio. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_itcmd_inventario accepts 8 parameters: uf, temTestamento, temViuvoMeacao, numeroHerdeiros, patrimonioTotalCents, inventarioExtrajudicial, honorariosAdvogadoPercent, custoCartorialEstimadoPercent. Required: uf, temTestamento, temViuvoMeacao, numeroHerdeiros, patrimonioTotalCents, inventarioExtrajudicial, honorariosAdvogadoPercent, custoCartorialEstimadoPercent. 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_itcmd_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_itcmd_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_itcmd_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_itcmd_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_itcmd_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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