fin_listar_contas

SERVERGenius Fin SOURCEgenius-fin-mcp

Low RISK CLASS

Category Other

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/genius-fin-mcp/fin-listar-contas.md

WHAT IT DOES

What fin_listar_contas does on Genius Fin

AI agents call fin_listar_contas as a supporting operation in Genius Fin workflows.

RISK

Why fin_listar_contas is rated Low

Without any rule in front of it, every call an agent makes to fin_listar_contas happens silently: no trail, no cap, no way to know it misbehaved until something breaks downstream.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs fin_listar_contas safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Genius Fin, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For fin_listar_contas, this is the rule to start with:

fin_listar_contas Rate-limited

fin_listar_contas gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "fin_listar_contas": {
      "limits": [
        {
          "counter": "fin_listar_contas_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Genius Fin, apply this rule, and every fin_listar_contas call is checked against it from then on.

FAQ

Questions about fin_listar_contas

What does the fin_listar_contas tool do? +

Lista todas as contas bancárias com detalhes: nome, instituição, tipo (cash/credit), saldo inicial, e dados do cartão (closing_day, due_day, credit_limit) quando aplicável. QUANDO USAR: para saber quais contas e cartões existem, seus nomes e configurações. NÃO USAR QUANDO: quiser saber os saldos atuais (usar fin_saldos) ou faturas (usar fin_fatura_cartao). REGRAS DE NEGÓCIO: - Contas cash: corrente, carteira, poupança. - Contas credit: cartões de crédito — incluem closing_day (fechamento) e due_day (vencimento). - Valores em centavos. It is categorised as a Other tool in the Genius Fin MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on fin_listar_contas? +

Register the Genius Fin MCP server in PolicyLayer and add a rule for fin_listar_contas: 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 Genius Fin. Nothing to install.

What risk level is fin_listar_contas? +

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

Can I rate-limit fin_listar_contas? +

Yes. Add a rate_limit block to the fin_listar_contas 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 fin_listar_contas completely? +

Set action: deny in the PolicyLayer policy for fin_listar_contas. 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 fin_listar_contas? +

fin_listar_contas is provided by the Genius Fin MCP server (genius-fin-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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