fin_editar_bill
Edita uma conta a pagar recorrente: nome, dia de vencimento, valor, categoria, ou desativar. QUANDO USAR: mudar configurações de uma conta existente ou desativar. CAMPOS: - bill_id: string UUID — ID da bill (obrigatório, obter via fin_listar_bills). - name / due_day / amount_type / default_amount...
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What fin_editar_bill does on Genius Fin
AI agents call fin_editar_bill to permanently remove resources in Genius Fin, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Why fin_editar_bill is rated Critical
An AI agent that decides to call fin_editar_bill doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Genius Fin is gone. There is no undo for destructive operations.
Attacks that exploit this kind of access
The rule that runs fin_editar_bill 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_editar_bill, this is the rule to start with:
fin_editar_bill is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.
The button opens the PolicyLayer dashboard: create your workspace, connect Genius Fin, apply this rule, and every fin_editar_bill call is checked against it from then on.
Questions about fin_editar_bill
Edita uma conta a pagar recorrente: nome, dia de vencimento, valor, categoria, ou desativar. QUANDO USAR: mudar configurações de uma conta existente ou desativar. CAMPOS: - bill_id: string UUID — ID da bill (obrigatório, obter via fin_listar_bills). - name / due_day / amount_type / default_amount_cents / account_name / category_name / subcategory_name — editáveis. - is_active: boolean — false para soft-delete (preserva histórico). - notes / tags / review_after / end_date / max_occurrences — editáveis (null pra limpar). REGRAS DE NEGÓCIO: - Campos omitidos não são alterados. - is_active: false desativa a bill (não gera novas ocorrências, mas mantém histórico). - Pra HARD-delete (apagar de verdade) a bill, use fin_deletar_bill — só funciona se nenhuma ocorrência foi paga ainda. - A categoria padrão nunca é. It is categorised as a Destructive tool in the Genius Fin MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Genius Fin MCP server in PolicyLayer and add a rule for fin_editar_bill: 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_editar_bill is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the fin_editar_bill 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_editar_bill. 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_editar_bill 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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