Delete a delivery box.
AI agents call mittwald_mail_deliverybox_delete to permanently remove resources in Mittwald MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly deletes a delivery box (email/mail infrastructure), which cannot be undone. Even though the blast radius is scoped to a single delivery box rather than an entire account, deletion of email infrastructure is a destructive operation with potential service disruption and data loss. Destructive operations are prioritized over Execute/Write, making this the most severe applicable category.
From the tool's definition Tool name contains 'delete' and description states 'Delete a delivery box.' The verb 'delete' in both name and description indicates irreversible removal of data.
Attacks that exploit this kind of access
Delete a delivery box. It is categorised as a Destructive tool in the Mittwald MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Mittwald MCP Server MCP server in PolicyLayer and add a rule for mittwald_mail_deliverybox_delete: 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 Mittwald MCP Server. Nothing to install.
mittwald_mail_deliverybox_delete 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 mittwald_mail_deliverybox_delete 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 mittwald_mail_deliverybox_delete. 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.
mittwald_mail_deliverybox_delete is provided by the Mittwald MCP Server MCP server (mittwald/mcp-server). 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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