Delete a calendar event. Always fetches event details first
AI agents call delete_event to permanently remove resources in Calendar Pa — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool irreversibly removes calendar data. While the blast radius is somewhat limited (affects only calendar state, not financial or security-critical systems), deletion cannot be undone and represents a permanent loss of scheduling information. The precaution of fetching event details first does not change the destructive nature of the operation.
From the tool's definition Tool name 'delete_event' explicitly performs deletion. Description confirms it 'Delete[s] a calendar event.' Deletion is irreversible.
Attacks that exploit this kind of access
Delete a calendar event. Always fetches event details first. It is categorised as a Destructive tool in the Calendar Pa MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Calendar Pa MCP server in PolicyLayer and add a rule for delete_event: 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 Calendar Pa. Nothing to install.
delete_event 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_event 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_event. 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_event is provided by the Calendar Pa MCP server (richardilemon/calendar-pa). 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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