gcp_dns_list_managed_zones
List Cloud DNS managed zones
This record as markdown: /tools/ahmedselimmansor-ctrl-gcp-mcp-server/gcp-dns-list-managed-zones.md
What gcp_dns_list_managed_zones does on GCP MCP Server
AI agents call gcp_dns_list_managed_zones to retrieve information from GCP MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why gcp_dns_list_managed_zones is rated Low
This tool queries and returns information about existing DNS managed zones without modifying, deleting, or executing any operations. It is a read-only inspection tool. Low severity because listing zones reveals infrastructure configuration but does not directly damage resources or expose secrets without further action.
From the tool's definition Tool name contains 'list' and description states 'List Cloud DNS managed zones' — a purely retrieving operation with no side effects.
Attacks that exploit this kind of access
The rule that runs gcp_dns_list_managed_zones safely
PolicyLayer is an MCP gateway: it sits between your AI agents and GCP MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For gcp_dns_list_managed_zones, this is the rule to start with:
gcp_dns_list_managed_zones is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect GCP MCP Server, apply this rule, and every gcp_dns_list_managed_zones call is checked against it from then on.
Questions about gcp_dns_list_managed_zones
List Cloud DNS managed zones. It is categorised as a Read tool in the GCP MCP Server MCP Server, which means it retrieves data without modifying state.
Register the GCP MCP Server MCP server in PolicyLayer and add a rule for gcp_dns_list_managed_zones: 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 GCP MCP Server. Nothing to install.
gcp_dns_list_managed_zones 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 gcp_dns_list_managed_zones 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 gcp_dns_list_managed_zones. 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.
gcp_dns_list_managed_zones is provided by the GCP MCP Server MCP server (ahmedselimmansor-ctrl/gcp_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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