calculate_late_das
Calcula DAS ou tributo federal em atraso: multa de mora de 0,33% ao dia (limitada a 20%) e juros pela Selic acumulada REAL da série oficial entre o vencimento e o pagamento, mais 1% do mês do pagamento.
This record as markdown: /tools/com-falazuki-finance-br/calculate-late-das.md
What calculate_late_das does on FalaZuki Finance BR
AI agents call calculate_late_das 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 |
|---|---|---|---|
amount | number | Yes | Valor original do tributo em R$ |
due_date | string | Yes | Data de vencimento em YYYY-MM-DD |
payment_date | string | — | Data do pagamento em YYYY-MM-DD (padrão: hoje) |
Parameters from the server's own tool schema.
Why calculate_late_das is rated Low
Even though calculate_late_das 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_late_das 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_late_das, this is the rule to start with:
calculate_late_das 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_late_das call is checked against it from then on.
Questions about calculate_late_das
Calcula DAS ou tributo federal em atraso: multa de mora de 0,33% ao dia (limitada a 20%) e juros pela Selic acumulada REAL da série oficial entre o vencimento e o pagamento, mais 1% do mês do pagamento. It is categorised as a Read tool in the FalaZuki Finance BR MCP Server, which means it retrieves data without modifying state.
calculate_late_das accepts 3 parameters: amount, due_date, payment_date. Required: amount, due_date. 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_late_das: 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_late_das 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_late_das 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_late_das. 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_late_das 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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