AI agents call user_group_delete to permanently remove resources in FortiOS 7 6 X MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
User group deletion is an irreversible destructive action that cannot be undone. Deleting user groups could break authentication, authorization, and access control configurations across the FortiOS system, affecting multiple users and security policies. The blast radius is significant in a security appliance context.
From the tool's definition Tool name is 'user_group_delete' which explicitly indicates deletion of user groups. The verb 'delete' is a destructive operation that irreversibly removes data.
Documented attack patterns abuse exactly the kind of access user_group_delete gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and FortiOS 7 6 X MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for user_group_delete:
{
"version": "1",
"default": "deny",
"hide": [
"user_group_delete"
]
}user_group_delete 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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user_group_delete. It is categorised as a Destructive tool in the FortiOS 7 6 X MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the FortiOS 7 6 X MCP Server MCP server in PolicyLayer and add a rule for user_group_delete: 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 FortiOS 7 6 X MCP Server. Nothing to install.
user_group_delete 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 user_group_delete 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 user_group_delete. 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.
user_group_delete is provided by the FortiOS 7 6 X MCP Server MCP server (paoloamato2/fortinet-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from FortiOS 7 6 X MCP Server, 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.
240 FortiOS 7 6 X MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.