Delete a group by UUID.
AI agents call delete_group to permanently remove resources in MCP Apple Reminders — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes a reminder group/list by its UUID with no undo capability. Deletion is an irreversible operation that destroys data and organization structure.
From the tool's definition Tool name is 'delete_group' with description 'Delete a group by UUID.' The verb 'delete' combined with the capability to remove a group irreversibly indicates a destructive operation.
Attacks that exploit this kind of access
Delete a group by UUID. It is categorised as a Destructive tool in the MCP Apple Reminders MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the MCP Apple Reminders MCP server in PolicyLayer and add a rule for delete_group: 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 MCP Apple Reminders. Nothing to install.
delete_group 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_group 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_group. 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_group is provided by the MCP Apple Reminders MCP server (rex/mcp-apple-reminders). 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.
Teams ship this data inside their own products. See what a licence covers →