Critical-risk tools in Local
6 of the 234 tools in Local are classified as critical risk. This page profiles those tools specifically, with recommended policy actions and the attack patterns that target them.
Every operation listed below is an action PolicyLayer recommends controlling at the transport layer. Open any tool to see the full profile, risk score, and YAML policy snippet.
Tools at critical risk
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delete_calendar_eventDestructiveDeletes an event from the Mac's Calendar app (Calendar.app) by ID. Requires confirm=true. For Microsoft 365 use m365_delete_event instead.
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delete_reminderDestructivePermanently deletes a reminder in Apple Reminders (Reminders.app) by ID. Get the reminder_id from list_reminders. Requires confirm=true.
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delete_reminder_listDestructiveDeletes an Apple Reminders list AND all reminders inside it — cannot be undone. Pass the list name (or list_id from list_reminder_lists). Requires confirm=true.
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m365_delete_eventDestructiveDelete a calendar event from your Microsoft 365 / Outlook calendar by its ID.
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onedrive_delete_fileDestructiveDeletes a file or empty folder from OneDrive.
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recipe_deleteDestructiveUse this when the user wants to remove one of THEIR saved recipes/skills (the manifests under ~/.local/share/local-mcp/recipes). Destructive with a preview gate: the first call ...
Attacks that target this class
Critical-risk tools in any server share these documented attack patterns. Each links to the full case and the defensive policy.