export_zone_file

THE RISK

Low Risk

Why export_zone_file needs a policy

This tool reads and exports existing DNS zone data in a standard format. It retrieves records without modifying, deleting, or executing anything. The blast radius is low since it only reads DNS configuration data.

From the tool's definition Export domain records as standard DNS zone file format

Documented attack patterns abuse exactly the kind of access export_zone_file gives an agent:

POLICY

How to control export_zone_file

PolicyLayer is an MCP gateway — it sits between your AI agents and Vultr MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for export_zone_file:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "export_zone_file": {}
  }
}

export_zone_file is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Vultr MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about export_zone_file

What does the export_zone_file tool do? +

Export domain records as standard DNS zone file format. It is categorised as a Read tool in the Vultr MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on export_zone_file? +

Register the Vultr MCP server in PolicyLayer and add a rule for export_zone_file: 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 Vultr MCP. Nothing to install.

What risk level is export_zone_file? +

export_zone_file is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit export_zone_file? +

Yes. Add a rate_limit block to the export_zone_file 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.

How do I block export_zone_file completely? +

Set action: deny in the PolicyLayer policy for export_zone_file. 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.

What MCP server provides export_zone_file? +

export_zone_file is provided by the Vultr MCP server (rsp2k/mcp-vultr). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Vultr MCP tool call.

Start from Vultr MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →