AI agents call delete_recurring_schedule to permanently remove resources in Fortimanager — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The tool performs an irreversible deletion of a recurring schedule object. This is a destructive action that cannot be undone. In a FortiManager context, schedules are often used for critical firewall policies and maintenance windows. Deleting a schedule could disrupt security operations, cause policies to malfunction, or prevent scheduled maintenance.
From the tool's definition Tool name explicitly states 'delete' and description confirms 'Delete a recurring schedule' - a permanent removal operation with no undo capability.
Documented attack patterns abuse exactly the kind of access delete_recurring_schedule gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fortimanager, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_recurring_schedule:
{
"version": "1",
"default": "deny",
"hide": [
"delete_recurring_schedule"
]
}delete_recurring_schedule disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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Delete a recurring schedule. It is categorised as a Destructive tool in the Fortimanager MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Fortimanager MCP server in PolicyLayer and add a rule for delete_recurring_schedule: 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 Fortimanager. Nothing to install.
delete_recurring_schedule 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_recurring_schedule 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_recurring_schedule. 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_recurring_schedule is provided by the Fortimanager MCP server (jmpijll/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fortimanager, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
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