Reset an invoice to open status (200) in sevdesk v2.0
AI agents call reset_invoice_to_open to permanently remove resources in Sevdesk — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
An AI agent that decides to call reset_invoice_to_open doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from Sevdesk is gone — there is no undo for destructive operations.
Attacks that exploit this kind of access
Reset an invoice to open status (200) in sevdesk v2.0. It is categorised as a Destructive tool in the Sevdesk MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Sevdesk MCP server in PolicyLayer and add a rule for reset_invoice_to_open: 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 Sevdesk. Nothing to install.
reset_invoice_to_open 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 reset_invoice_to_open 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 reset_invoice_to_open. 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.
reset_invoice_to_open is provided by the Sevdesk MCP server (codestra/sevdesk-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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