Reverts the VM to a specific named snapshot. Enables rapid recovery without destroying and rebuilding the VM.
AI agents call snapshot_restore to permanently remove resources in Virtualbox MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Restoring a snapshot irreversibly overwrites the current VM state — all changes made since the snapshot was taken (files written, configurations changed, data created) are permanently lost. This is not reversible once executed. The 'rapid recovery' framing confirms the current state is discarded, making this Destructive in nature.
From the tool's definition Reverts the VM to a specific named snapshot... without destroying and rebuilding the VM
Attacks that exploit this kind of access
Reverts the VM to a specific named snapshot. Enables rapid recovery without destroying and rebuilding the VM. It is categorised as a Destructive tool in the Virtualbox MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Virtualbox MCP Server MCP server in PolicyLayer and add a rule for snapshot_restore: 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 Virtualbox MCP Server. Nothing to install.
snapshot_restore is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the snapshot_restore 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.
Set action: deny in the PolicyLayer policy for snapshot_restore. 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.
snapshot_restore is provided by the Virtualbox MCP Server MCP server (usemanusai/virtualbox-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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