Lists backup vaults in a specific project and location (omit location for all locations)
AI agents call gcnv_backup_vault_list to retrieve information from Google Cloud NetApp Volumes MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only operation that queries and enumerates backup vaults across a project and location. It has no side effects, does not modify or delete data, and poses minimal risk if invoked by an AI agent. The blast radius is limited to information disclosure of vault metadata, which is low-severity.
From the tool's definition Tool name contains 'list' and description states 'Lists backup vaults' — a query operation that retrieves information without modification.
Attacks that exploit this kind of access
Lists backup vaults in a specific project and location (omit location for all locations). It is categorised as a Read tool in the Google Cloud NetApp Volumes MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Google Cloud NetApp Volumes MCP Server MCP server in PolicyLayer and add a rule for gcnv_backup_vault_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 Google Cloud NetApp Volumes MCP Server. Nothing to install.
gcnv_backup_vault_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 gcnv_backup_vault_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 gcnv_backup_vault_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.
gcnv_backup_vault_list is provided by the Google Cloud NetApp Volumes MCP Server MCP server (netapp/gcnv-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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