calcular_doacao_usufruto
Calcula ITCMD na doação com reserva de usufruto vitalício. ITCMD pago hoje sobre a nua-propriedade (2/3 do bem) + ITCMD futuro quando o usufrutuário falecer (1/3 restante). Compara com ITCMD se a doação fosse direta (sem reserva). Retorna: itcmdAtualCents, itcmdFuturoEstimadoCents, itcmdTotalCena...
This record as markdown: /tools/io-github-lfhillesheim-contai-mcp-server/calcular-doacao-usufruto.md
What calcular_doacao_usufruto does on Contaí — Calculadoras Fiscais Brasileiras
AI agents call calcular_doacao_usufruto to retrieve information from Contaí — Calculadoras Fiscais Brasileiras without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
uf | string | Yes | Sigla do estado (UF) onde o bem está localizado |
donatariosCount | integer | — | Número de donatários (quem recebe a nua-propriedade) |
reservaUsufruto | boolean | — | true se a doação é com reserva de usufruto vitalício |
idadeUsufrutuario | integer | Yes | Idade atual do usufrutuário (doador que mantém o usufruto) |
valorBemDoadoCents | integer | Yes | Valor do bem doado em centavos. Ex: R$ 600.000 = 60000000 |
Parameters from the server's own tool schema.
Why calcular_doacao_usufruto is rated Low
This is a financial calculator that computes estimated tax obligations (ITCMD—Brazilian gift and inheritance tax). It takes input parameters, performs arithmetic/logic operations, and returns calculated values. It does not execute transactions, modify financial records, delete data, or trigger external operations. The tool provides read-only analytical output suitable for financial planning.
From the tool's definition Tool name 'calcular_doacao_usufruto' and description indicate it 'Calcula ITCMD' (calculates tax). The function performs computational analysis returning financial metrics: 'itcmdAtualCents, itcmdFuturoEstimadoCents, itcmdTotalCenarioCents,…
Attacks that exploit this kind of access
The rule that runs calcular_doacao_usufruto safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Contaí — Calculadoras Fiscais Brasileiras, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For calcular_doacao_usufruto, this is the rule to start with:
calcular_doacao_usufruto is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Contaí — Calculadoras Fiscais Brasileiras, apply this rule, and every calcular_doacao_usufruto call is checked against it from then on.
Questions about calcular_doacao_usufruto
Calcula ITCMD na doação com reserva de usufruto vitalício. ITCMD pago hoje sobre a nua-propriedade (2/3 do bem) + ITCMD futuro quando o usufrutuário falecer (1/3 restante). Compara com ITCMD se a doação fosse direta (sem reserva). Retorna: itcmdAtualCents, itcmdFuturoEstimadoCents, itcmdTotalCenarioCents, itcmdSemUsufrutoCents, economiaPercent, aliquotaItcmdPercent. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.
calcular_doacao_usufruto accepts 5 parameters: uf, donatariosCount, reservaUsufruto, idadeUsufrutuario, valorBemDoadoCents. Required: uf, idadeUsufrutuario, valorBemDoadoCents. 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_doacao_usufruto: 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_doacao_usufruto 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_doacao_usufruto 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_doacao_usufruto. 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_doacao_usufruto 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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