update_dns_record_tool · MCP Cloudflare MCP: Risk & Policy

WHAT IT DOES

What update_dns_record_tool does on MCP Cloudflare

AI agents use update_dns_record_tool to create or update resources in MCP Cloudflare — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your MCP Cloudflare environment.

WHY IT NEEDS A POLICY

Why update_dns_record_tool needs a policy

DNS record updates can redirect traffic, modify email routing, or alter domain behavior. While reversible, misuse could cause significant service disruption or be leveraged for phishing/hijacking attacks. This warrants high severity but not critical (destructive/financial actions would be higher). Confidence is slightly reduced due to empty tool description, but the sibling context and naming are clear indicators.

From the tool's definition Tool name 'update_dns_record_tool' indicates modification of DNS records. Sibling tools include 'create_dns_record_tool' and 'delete_dns_record_tool', confirming this server manages DNS infrastructure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_dns_record_tool Rate-limited

update_dns_record_tool stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "update_dns_record_tool": {
      "limits": [
        {
          "counter": "update_dns_record_tool_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches MCP Cloudflare, so you can run agents against it safely.

FAQ

Questions about update_dns_record_tool

What does the update_dns_record_tool tool do? +

update_dns_record_tool. It is categorised as a Write tool in the MCP Cloudflare MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_dns_record_tool? +

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

What risk level is update_dns_record_tool? +

update_dns_record_tool is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit update_dns_record_tool? +

Yes. Add a rate_limit block to the update_dns_record_tool 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 update_dns_record_tool completely? +

Set action: deny in the PolicyLayer policy for update_dns_record_tool. 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 update_dns_record_tool? +

update_dns_record_tool is provided by the MCP Cloudflare MCP server (pypi:mcp-cloudflare-crunchtools). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.