calcular_rolagem_divida

SERVERContaí — Calculadoras Fiscais Brasileiras SOURCE@contai-evoluke/mcp-server

Low RISK CLASS

Category Read

Parameters 96 required

Recommended Allowedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/io-github-lfhillesheim-contai-mcp-server/calcular-rolagem-divida.md

WHAT IT DOES

What calcular_rolagem_divida does on Contaí — Calculadoras Fiscais Brasileiras

AI agents call calcular_rolagem_divida 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
`currentDate`	string	—	Data de referência YYYY-MM-DD para tabelas fiscais (INSS/IRRF/IOF/etc.). Default: hoje.
`iofTotalCents`	integer	—	IOF total da nova operação em centavos (opcional)
`prazoOfertaMeses`	integer	Yes	Prazo da oferta de consolidação em meses
`seguroTotalCents`	integer	—	Seguros obrigatórios da nova operação em centavos (opcional)
`parcelasRestantes`	integer	Yes	Número de parcelas restantes da dívida atual
`taxaAberturaCents`	integer	Yes	Taxa de abertura de crédito da oferta em centavos
`saldoDevedorAtualCents`	integer	Yes	Saldo devedor atual em centavos
`taxaAtualMensalPercent`	number	Yes	Taxa de juros mensal da dívida atual em % (ex: 5.5)
`taxaOfertaMensalPercent`	number	Yes	Taxa mensal da oferta de consolidação/rolagem em %

Parameters from the server's own tool schema.

RISK

Why calcular_rolagem_divida is rated Low

This tool performs financial calculations and comparisons, returning analysis and recommendations. It does not execute any financial transactions, move money, or commit any obligations — it is purely a read/compute tool that analyzes debt consolidation options.

From the tool's definition Compara CET da dívida atual vs oferta de consolidação/rolagem... Retorna: CET de cada opção, parcelas, totais, economia e recomendação

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs calcular_rolagem_divida 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_rolagem_divida, this is the rule to start with:

calcular_rolagem_divida Allowed

calcular_rolagem_divida is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "calcular_rolagem_divida": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Contaí — Calculadoras Fiscais Brasileiras, apply this rule, and every calcular_rolagem_divida call is checked against it from then on.

FAQ

Questions about calcular_rolagem_divida

What does the calcular_rolagem_divida tool do? +

Compara CET (Custo Efetivo Total) da dívida atual vs oferta de consolidação/rolagem. Verifica se vale a pena: CET oferta < CET atual + economia > 0 + taxa abertura ≤ 5% saldo + prazo não aumenta. Resolução BCB 4.553/2017: inclui abertura + IOF + seguros no CET. Retorna: CET de cada opção, parcelas, totais, economia e recomendação. It is categorised as a Read tool in the Contaí — Calculadoras Fiscais Brasileiras MCP Server, which means it retrieves data without modifying state.

What parameters does calcular_rolagem_divida accept? +

calcular_rolagem_divida accepts 9 parameters: currentDate, iofTotalCents, prazoOfertaMeses, seguroTotalCents, parcelasRestantes, taxaAberturaCents, saldoDevedorAtualCents, taxaAtualMensalPercent, taxaOfertaMensalPercent. Required: prazoOfertaMeses, parcelasRestantes, taxaAberturaCents, saldoDevedorAtualCents, taxaAtualMensalPercent, taxaOfertaMensalPercent. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on calcular_rolagem_divida? +

Register the Contaí — Calculadoras Fiscais Brasileiras MCP server in PolicyLayer and add a rule for calcular_rolagem_divida: 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.

What risk level is calcular_rolagem_divida? +

calcular_rolagem_divida is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit calcular_rolagem_divida? +

Yes. Add a rate_limit block to the calcular_rolagem_divida 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.

How do I block calcular_rolagem_divida completely? +

Set action: deny in the PolicyLayer policy for calcular_rolagem_divida. 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.

What MCP server provides calcular_rolagem_divida? +

calcular_rolagem_divida 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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