calculate_simples_nacional
Calcula imposto do Simples Nacional por faixa de faturamento e anexo. Alíquota efetiva e valor mensal. Parâmetros obrigatórios: monthly_revenue. Opcionais: annex. Use exatamente estes nomes, em inglês.
This record as markdown: /tools/com-falazuki-finance-br/calculate-simples-nacional.md
What calculate_simples_nacional does on FalaZuki Finance BR
AI agents call calculate_simples_nacional 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 |
|---|---|---|---|
annex | string | — | Anexo do Simples (I=comércio, III=serviços) |
monthly_revenue | number | Yes | Faturamento mensal em R$ |
Parameters from the server's own tool schema.
Why calculate_simples_nacional is rated Low
Even though calculate_simples_nacional 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_simples_nacional 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_simples_nacional, this is the rule to start with:
calculate_simples_nacional 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_simples_nacional call is checked against it from then on.
Questions about calculate_simples_nacional
Calcula imposto do Simples Nacional por faixa de faturamento e anexo. Alíquota efetiva e valor mensal. Parâmetros obrigatórios: monthly_revenue. Opcionais: annex. 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_simples_nacional accepts 2 parameters: annex, monthly_revenue. Required: monthly_revenue. 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_simples_nacional: 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_simples_nacional 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_simples_nacional 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_simples_nacional. 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_simples_nacional 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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