Delete a communication way
AI agents call delete_communication_way 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.
This tool permanently removes a communication way (e.g., phone number, email address) from a contact record in the sevdesk accounting system. Deletion is irreversible and cannot be undone. While the blast radius is not financial (it does not move money), it is high because removing communication methods could disrupt business operations, client contact, or audit trails.
From the tool's definition Tool name explicitly uses 'delete' and description confirms 'Delete a communication way' — irreversible removal of data.
Attacks that exploit this kind of access
Delete a communication way. 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 delete_communication_way: 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.
delete_communication_way 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_communication_way 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_communication_way. 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_communication_way 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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