fin_pagar_fatura
Registra o pagamento de uma fatura de cartão de crédito. Debita da conta origem e credita no cartão. QUANDO USAR: quando o usuário pagou a fatura do cartão e quer registrar. NÃO USAR QUANDO: - Quiser transferir entre contas normais — usar fin_criar_transferencia. - Quiser lançar despesa no cartão...
This record as markdown: /tools/genius-fin-mcp/fin-pagar-fatura.md
What fin_pagar_fatura does on Genius Fin
AI agents call fin_pagar_fatura as a supporting operation in Genius Fin workflows.
Why fin_pagar_fatura is rated Low
Without any rule in front of it, every call an agent makes to fin_pagar_fatura happens silently: no trail, no cap, no way to know it misbehaved until something breaks downstream.
Attacks that exploit this kind of access
The rule that runs fin_pagar_fatura 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_pagar_fatura, this is the rule to start with:
fin_pagar_fatura gets a rate cap, and everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Genius Fin, apply this rule, and every fin_pagar_fatura call is checked against it from then on.
Questions about fin_pagar_fatura
Registra o pagamento de uma fatura de cartão de crédito. Debita da conta origem e credita no cartão. QUANDO USAR: quando o usuário pagou a fatura do cartão e quer registrar. NÃO USAR QUANDO: - Quiser transferir entre contas normais — usar fin_criar_transferencia. - Quiser lançar despesa no cartão — usar fin_criar_despesa. CAMPOS: - amount_cents: number — valor pago em centavos (obrigatório). - card_name: string — nome do cartão (obrigatório, match parcial). - from_account_name: string — conta de onde saiu o dinheiro (obrigatório, match parcial). - tx_date: string YYYY-MM-DD — data do pagamento. - installments: number — parcelas do pagamento (2-48), se a fatura for parcelada. REGRAS DE NEGÓCIO: - Valores em centavos. - Suporta parcelamento do pagamento da fatura (não confundir com parcelamento de compras). It is categorised as a Other tool in the Genius Fin MCP Server, which means it performs auxiliary operations.
Register the Genius Fin MCP server in PolicyLayer and add a rule for fin_pagar_fatura: 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.
fin_pagar_fatura is a Other tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the fin_pagar_fatura 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 fin_pagar_fatura. 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.
fin_pagar_fatura 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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