Critical-risk tools in Siigo MCP Server
10 of the 75 tools in Siigo MCP Server are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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siigo_annul_invoiceDestructiveAnnul (void) a sales invoice
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siigo_delete_invoiceDestructiveDelete an invoice
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siigo_delete_payment_receiptDestructiveDelete a payment receipt
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siigo_delete_productDestructiveDelete a product
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siigo_delete_purchaseDestructiveDelete a purchase invoice
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siigo_delete_purchase_support_documentDestructiveDelete a purchase support document
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siigo_delete_quotationDestructiveDelete a quotation
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siigo_delete_webhookDestructiveDelete a webhook subscription
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siigo_create_payment_receiptFinancialCreate a new payment receipt / disbursement (recibo de pago / comprobante de egreso). Supports DebtPayment, AdvancePayment, and Advanced types.
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siigo_send_invoice_emailFinancialSend invoice by email (up to 5 addresses)
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.