update_sdn_vnet

Update an SDN VNet.

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/update-sdn-vnet.md

WHAT IT DOES

What update_sdn_vnet does on Proxmox MCP Server

AI agents use update_sdn_vnet to create or update resources in Proxmox MCP Server, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Proxmox MCP Server environment.

RISK

Why update_sdn_vnet is rated Medium

This tool modifies network configuration in a virtualization infrastructure. While not destructive (changes are reversible) and not immediately financial, incorrect updates to virtual networks could disrupt services, break guest connectivity, or expose traffic. The blast radius includes all guests and systems relying on the modified VNet.

From the tool's definition Tool name is 'update_sdn_vnet' and description states 'Update an SDN VNet.' The verb 'update' indicates modification of existing configuration.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_sdn_vnet safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For update_sdn_vnet, this is the rule to start with:

update_sdn_vnet Rate-limited

update_sdn_vnet stays usable, but capped: an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_sdn_vnet": {
      "limits": [
        {
          "counter": "update_sdn_vnet_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every update_sdn_vnet call is checked against it from then on.

FAQ

Questions about update_sdn_vnet

What does the update_sdn_vnet tool do? +

Update an SDN VNet. It is categorised as a Write tool in the Proxmox MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_sdn_vnet? +

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

What risk level is update_sdn_vnet? +

update_sdn_vnet is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update_sdn_vnet? +

Yes. Add a rate_limit block to the update_sdn_vnet 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 update_sdn_vnet completely? +

Set action: deny in the PolicyLayer policy for update_sdn_vnet. 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 update_sdn_vnet? +

update_sdn_vnet is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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