proxmox_backup_vm

A write tool on the MCP Proxmox MCP server.

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-backup-vm.md

WHAT IT DOES

What proxmox_backup_vm does on MCP Proxmox Server

AI agents use proxmox_backup_vm 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_backup_vm is rated Medium

Backup creation is a reversible Write operation—it generates new backup data but does not delete, destroy, or execute arbitrary code. While backups are critical infrastructure operations with high blast radius (a malicious agent could create backups exfiltrated or used for unauthorized recovery), they remain in the Write category.

From the tool's definition Tool name 'proxmox_backup_vm' indicates VM backup creation. Server description mentions 'VM/LXC lifecycle operations' and 'backups' as core functionality.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs proxmox_backup_vm 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_backup_vm, this is the rule to start with:

proxmox_backup_vm Rate-limited

proxmox_backup_vm 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_backup_vm": {
      "limits": [
        {
          "counter": "proxmox_backup_vm_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_backup_vm call is checked against it from then on.

FAQ

Questions about proxmox_backup_vm

What does the proxmox_backup_vm tool do? +

proxmox_backup_vm is a write tool on the MCP Proxmox Server MCP server. 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_backup_vm? +

Register the MCP Proxmox Server MCP server in PolicyLayer and add a rule for proxmox_backup_vm: 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_backup_vm? +

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

Can I rate-limit proxmox_backup_vm? +

Yes. Add a rate_limit block to the proxmox_backup_vm 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_backup_vm completely? +

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

proxmox_backup_vm 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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