rollback_vm_snapshot

Rollback a VM to a previous snapshot (current state will be lost).

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/rollback-vm-snapshot.md

WHAT IT DOES

What rollback_vm_snapshot does on Proxmox MCP Server

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

RISK

Why rollback_vm_snapshot is rated Critical

Rolling back to a snapshot permanently destroys the current VM state, including any data, configurations, or changes made since the snapshot was taken. This is irreversible data loss at infrastructure scale, affecting potentially production virtual machines. The description explicitly warns 'current state will be lost', confirming destructive and irreversible nature.

From the tool's definition 'Rollback a VM to a previous snapshot (current state will be lost)' — explicitly states current state will be lost, making this irreversible

Attacks that exploit this kind of access

RECOMMENDED RULE

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

rollback_vm_snapshot Hidden

rollback_vm_snapshot is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "rollback_vm_snapshot"
  ]
}

RESTRICT 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 rollback_vm_snapshot call is checked against it from then on.

FAQ

Questions about rollback_vm_snapshot

What does the rollback_vm_snapshot tool do? +

Rollback a VM to a previous snapshot (current state will be lost). It is categorised as a Destructive tool in the Proxmox 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 rollback_vm_snapshot? +

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

rollback_vm_snapshot 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 rollback_vm_snapshot? +

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

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

rollback_vm_snapshot 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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