Lists all available snapshots for a VM.
AI agents call snapshot_list to retrieve information from Virtualbox MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The snapshot_list tool only retrieves and displays existing snapshot data. It does not create, modify, delete, or execute any operations. Even in the context of a hypervisor management server with destructive tools like destroy_vm and create_vm present, this specific tool performs a passive query operation that poses minimal risk if misused by an AI agent.
From the tool's definition Tool name and description indicate listing/querying snapshots: 'Lists all available snapshots for a VM.' This is a read-only information retrieval operation with no side effects.
Attacks that exploit this kind of access
Lists all available snapshots for a VM. It is categorised as a Read tool in the Virtualbox MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Virtualbox MCP Server MCP server in PolicyLayer and add a rule for snapshot_list: 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_list is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the snapshot_list 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_list. 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_list 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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