Lists all quota rules for a volume (omit location for all locations)
AI agents call gcnv_quota_rule_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 retrieves and queries quota rule data without side effects. It follows the Read category pattern of listing resources (search, list, get, fetch). The severity is low because listing quota rules poses minimal risk: it exposes metadata about storage quotas but does not create, modify, delete, or execute operations.
From the tool's definition Tool name contains 'list' and description states 'Lists all quota rules for a volume' — a retrieval operation with no modification, deletion, or execution of code/commands.
Attacks that exploit this kind of access
Lists all quota rules for a volume (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_quota_rule_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_quota_rule_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_quota_rule_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_quota_rule_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_quota_rule_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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