calculate_ganho_capital_imovel
Calcula o imposto sobre o ganho de capital na venda de imóvel (DARF 4600): alíquotas progressivas de 15% a 22,5%, isenção do único imóvel até R$ 440 mil, isenção por compra de outro residencial em 180 dias, redução da Lei 7.713 pra imóvel antigo e os fatores FR1/FR2 da Lei 11.196 que reduzem o im...
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What calculate_ganho_capital_imovel does on FalaZuki Finance BR
AI agents call calculate_ganho_capital_imovel to retrieve information from FalaZuki Finance BR 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 |
|---|---|---|---|
sale_year | integer | Yes | Ano da venda |
sale_month | integer | — | Mês da venda (1-12) |
sale_price | number | Yes | Valor da venda em R$ |
brokerage_fee | number | — | Corretagem paga pelo vendedor (deduz do valor da venda) |
only_property | boolean | — | É o único imóvel do vendedor, sem outra venda de imóvel nos últimos 5 anos |
acquisition_cost | number | Yes | Custo de aquisição declarado: escritura + benfeitorias comprovadas + ITBI e custas da compra, SEM correção monetária |
acquisition_year | integer | Yes | Ano da compra do imóvel |
acquisition_month | integer | — | Mês da compra (1-12) |
reinvested_in_residential | number | — | Valor da venda que será usado pra COMPRAR outro imóvel residencial no Brasil em até 180 dias (isenção proporcional, uma vez a cada 5 anos) |
Parameters from the server's own tool schema.
Why calculate_ganho_capital_imovel is rated Low
Even though calculate_ganho_capital_imovel only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs calculate_ganho_capital_imovel safely
PolicyLayer is an MCP gateway: it sits between your AI agents and FalaZuki Finance BR, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For calculate_ganho_capital_imovel, this is the rule to start with:
calculate_ganho_capital_imovel 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 FalaZuki Finance BR, apply this rule, and every calculate_ganho_capital_imovel call is checked against it from then on.
Questions about calculate_ganho_capital_imovel
Calcula o imposto sobre o ganho de capital na venda de imóvel (DARF 4600): alíquotas progressivas de 15% a 22,5%, isenção do único imóvel até R$ 440 mil, isenção por compra de outro residencial em 180 dias, redução da Lei 7.713 pra imóvel antigo e os fatores FR1/FR2 da Lei 11.196 que reduzem o imposto de todo mundo. Parâmetros obrigatórios: sale_price, acquisition_cost, acquisition_year, sale_year. Opcionais: acquisition_month, sale_month, brokerage_fee, only_property, reinvested_in_residential. Use exatamente estes nomes, em inglês. It is categorised as a Read tool in the FalaZuki Finance BR MCP Server, which means it retrieves data without modifying state.
calculate_ganho_capital_imovel accepts 9 parameters: sale_year, sale_month, sale_price, brokerage_fee, only_property, acquisition_cost, acquisition_year, acquisition_month, reinvested_in_residential. Required: sale_year, sale_price, acquisition_cost, acquisition_year. The full parameter table on this page comes from the server's own tool schema.
Register the FalaZuki Finance BR MCP server in PolicyLayer and add a rule for calculate_ganho_capital_imovel: 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 FalaZuki Finance BR. Nothing to install.
calculate_ganho_capital_imovel 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 calculate_ganho_capital_imovel 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 calculate_ganho_capital_imovel. 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.
calculate_ganho_capital_imovel is provided by the FalaZuki Finance BR MCP server (https://mcp.falazuki.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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