Lists all Route53 Hosted Zones.
AI agents call list_hosted_zones to retrieve information from AWS 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 Route53 hosted zone configuration data for inspection purposes only. Listing hosted zones is a read-only enumeration with no capability to modify DNS records, delete zones, or trigger external actions. The blast radius of misuse is limited to information disclosure of DNS infrastructure configuration.
From the tool's definition Tool name 'list_hosted_zones' and description 'Lists all Route53 Hosted Zones' indicate a query/enumeration operation. The server is explicitly described as 'read-only' with no data modification, deletion, or execution capabilities.
Attacks that exploit this kind of access
Lists all Route53 Hosted Zones. It is categorised as a Read tool in the AWS MCP Server MCP Server, which means it retrieves data without modifying state.
Register the AWS MCP Server MCP server in PolicyLayer and add a rule for list_hosted_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 AWS MCP Server. Nothing to install.
list_hosted_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 list_hosted_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 list_hosted_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.
list_hosted_zones is provided by the AWS MCP Server MCP server (sergiosediq/aws-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.
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