delete_smart_list
AI agents call delete_smart_list 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 deletes a smart list, which is an irreversible destructive action. Even with an empty description, the name combined with server context (Apple Reminders with stated delete functionality) makes the destructive nature clear. High severity because deleting organizational containers can result in loss of multiple reminders and custom organizational structures that cannot be recovered.
From the tool's definition Tool named 'delete_smart_list' in a reminders/lists management system. Server description explicitly states 'delete' capability for 'reminders and lists'. Smart lists in reminders apps are organizational containers; deletion is irreversible.
Attacks that exploit this kind of access
delete_smart_list. 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_smart_list: 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_smart_list 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_smart_list 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_smart_list. 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_smart_list 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.
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