[FacturaHub] Delete a draft invoice.
AI agents call delete_invoice to permanently remove resources in FacturaHub MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes invoice records from the system. Even though it is scoped to draft invoices (which have not been finalized), deletion is an irreversible operation that destroys business-critical financial data. An AI agent misuse could result in loss of important transaction history, broken audit trails, or accidental removal of invoices before they are properly archived or reviewed.
From the tool's definition Tool name is 'delete_invoice' with description 'Delete a draft invoice.' The verb 'delete' explicitly indicates irreversible removal of data.
Attacks that exploit this kind of access
[FacturaHub] Delete a draft invoice. It is categorised as a Destructive tool in the FacturaHub MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the FacturaHub MCP Server MCP server in PolicyLayer and add a rule for delete_invoice: 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 FacturaHub MCP Server. Nothing to install.
delete_invoice 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 delete_invoice 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 delete_invoice. 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.
delete_invoice is provided by the FacturaHub MCP Server MCP server (santy1422/facturahub-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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