proxmox_create_vm_cloudinit

Create VM with advanced CloudInit configuration.

SERVERMCP Proxmox Server SOURCEbsahane/mcp-proxmox

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/bsahane-mcp-proxmox/proxmox-create-vm-cloudinit.md

WHAT IT DOES

What proxmox_create_vm_cloudinit does on MCP Proxmox Server

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

RISK

Why proxmox_create_vm_cloudinit is rated Medium

This tool creates a new virtual machine with CloudInit configuration. Creation of VMs is a Write operation (reversible — VMs can be deleted later). However, severity is high because provisioning VMs can consume significant infrastructure resources, expose new network endpoints, and potentially misconfigure systems if misused by an AI agent.

From the tool's definition Create VM with advanced CloudInit configuration

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs proxmox_create_vm_cloudinit safely

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

proxmox_create_vm_cloudinit Rate-limited

proxmox_create_vm_cloudinit 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": {
    "proxmox_create_vm_cloudinit": {
      "limits": [
        {
          "counter": "proxmox_create_vm_cloudinit_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 MCP Proxmox Server, apply this rule, and every proxmox_create_vm_cloudinit call is checked against it from then on.

FAQ

Questions about proxmox_create_vm_cloudinit

What does the proxmox_create_vm_cloudinit tool do? +

Create VM with advanced CloudInit configuration. It is categorised as a Write tool in the MCP Proxmox 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 proxmox_create_vm_cloudinit? +

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

What risk level is proxmox_create_vm_cloudinit? +

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

Can I rate-limit proxmox_create_vm_cloudinit? +

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

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

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

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