Critical Risk →

delete_fabric_vlan

Delete a fabric VLAN

How to control delete_fabric_vlan ↓

What delete_fabric_vlan does on Intersight MCP Server

AI agents call delete_fabric_vlan to permanently remove resources in Intersight MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

Critical Risk

Why delete_fabric_vlan needs a policy

This tool irreversibly deletes VLAN configurations from data center fabric infrastructure. Deletion cannot be undone without manual reconfiguration. The blast radius is high: removing a VLAN could disconnect network segments, disrupt traffic, and impact multiple systems depending on that VLAN. This fits the Destructive category as it removes infrastructure configuration that cannot be automatically recovered.

From the tool's definition Tool name 'delete_fabric_vlan' explicitly performs deletion ('delete') of network infrastructure ('fabric VLAN'). The description confirms: 'Delete a fabric VLAN'.

Documented attack patterns abuse exactly the kind of access delete_fabric_vlan gives an agent:

How to control delete_fabric_vlan

PolicyLayer is an MCP gateway — it sits between your AI agents and Intersight MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for delete_fabric_vlan:

policy.json
{
  "version": "1",
  "default": "deny",
  "hide": [
    "delete_fabric_vlan"
  ]
}

delete_fabric_vlan disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.

  1. Create a free account and register Intersight MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

Go deeper

Questions about delete_fabric_vlan

What does the delete_fabric_vlan tool do? +

Delete a fabric VLAN. It is categorised as a Destructive tool in the Intersight MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on delete_fabric_vlan? +

Register the Intersight MCP Server MCP server in PolicyLayer and add a rule for delete_fabric_vlan: 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 Intersight MCP Server. Nothing to install.

What risk level is delete_fabric_vlan? +

delete_fabric_vlan is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit delete_fabric_vlan? +

Yes. Add a rate_limit block to the delete_fabric_vlan 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.

How do I block delete_fabric_vlan completely? +

Set action: deny in the PolicyLayer policy for delete_fabric_vlan. 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.

What MCP server provides delete_fabric_vlan? +

delete_fabric_vlan is provided by the Intersight MCP Server MCP server (jim-coyne/intersight_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Intersight MCP Server tool call.

Start from Intersight 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.

198 Intersight MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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