calculate_imposto_cripto
Calcula o imposto sobre ganhos com cripto: isenção quando as vendas do mês ficam em até R$ 35 mil (custódia no Brasil), alíquotas progressivas do ganho de capital acima disso (DARF 4600), e o regime da Lei 14.754 pra exchange no exterior (15% no ajuste anual, sem isenção). Parâmetros obrigatórios...
This record as markdown: /tools/com-falazuki-finance-br/calculate-imposto-cripto.md
What calculate_imposto_cripto does on FalaZuki Finance BR
AI agents call calculate_imposto_cripto 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 |
|---|---|---|---|
profit | number | Yes | Ganho apurado nas vendas do mês (prejuízo entra negativo) |
held_abroad | boolean | — | Cripto custodiada em exchange no EXTERIOR (regime anual da Lei 14.754) |
monthly_sales | number | Yes | Total VENDIDO em cripto no mês, em R$ (todas as exchanges, P2P e trocas cripto-cripto somadas) — não o lucro |
Parameters from the server's own tool schema.
Why calculate_imposto_cripto is rated Low
Even though calculate_imposto_cripto 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_imposto_cripto 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_imposto_cripto, this is the rule to start with:
calculate_imposto_cripto 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_imposto_cripto call is checked against it from then on.
Questions about calculate_imposto_cripto
Calcula o imposto sobre ganhos com cripto: isenção quando as vendas do mês ficam em até R$ 35 mil (custódia no Brasil), alíquotas progressivas do ganho de capital acima disso (DARF 4600), e o regime da Lei 14.754 pra exchange no exterior (15% no ajuste anual, sem isenção). Parâmetros obrigatórios: monthly_sales, profit. Opcionais: held_abroad. 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_imposto_cripto accepts 3 parameters: profit, held_abroad, monthly_sales. Required: profit, monthly_sales. 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_imposto_cripto: 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_imposto_cripto 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_imposto_cripto 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_imposto_cripto. 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_imposto_cripto 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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