Delete a reminder permanently
AI agents call delete_reminder to permanently remove resources in Apple Reminders MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool permanently removes reminders, which cannot be undone. Permanent deletion is the defining characteristic of the Destructive category. While individual reminder deletion has a limited blast radius (affecting only that reminder), the irreversible nature and the user's reliance on reminders for task management warrant high severity. Confidence is high due to explicit 'permanently' language in the description.
From the tool's definition Tool name is 'delete_reminder' with description 'Delete a reminder permanently'. The word 'Delete' and 'permanently' indicate irreversible data removal.
Attacks that exploit this kind of access
Delete a reminder permanently. It is categorised as a Destructive tool in the Apple Reminders MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Apple Reminders MCP Server MCP server in PolicyLayer and add a rule for delete_reminder: 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 Apple Reminders MCP Server. Nothing to install.
delete_reminder 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_reminder 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_reminder. 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_reminder is provided by the Apple Reminders MCP Server MCP server (krishna-desiraju/apple-reminders-swift-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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