mikrotik_add_dns_regexp · MikroTik Cursor MCP: Risk & Policy

WHAT IT DOES

What mikrotik_add_dns_regexp does on MikroTik Cursor MCP

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

WHY IT NEEDS A POLICY

Why mikrotik_add_dns_regexp needs a policy

This tool creates or modifies DNS regexp entries on a MikroTik router, which is a reversible configuration change (entries can be removed). It does not execute arbitrary code, delete data irreversibly, or move financial resources.

From the tool's definition Tool name contains 'add' and description states 'Adds a DNS regexp entry', indicating creation of a new DNS configuration entry. This modifies router state by adding a pattern-matching DNS rule.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mikrotik_add_dns_regexp Rate-limited

mikrotik_add_dns_regexp 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": {
    "mikrotik_add_dns_regexp": {
      "limits": [
        {
          "counter": "mikrotik_add_dns_regexp_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 MikroTik Cursor MCP, so you can run agents against it safely.

FAQ

Questions about mikrotik_add_dns_regexp

What does the mikrotik_add_dns_regexp tool do? +

Adds a DNS regexp entry for pattern matching. It is categorised as a Write tool in the MikroTik Cursor MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mikrotik_add_dns_regexp? +

Register the MikroTik Cursor MCP server in PolicyLayer and add a rule for mikrotik_add_dns_regexp: 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 MikroTik Cursor MCP. Nothing to install.

What risk level is mikrotik_add_dns_regexp? +

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

Can I rate-limit mikrotik_add_dns_regexp? +

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

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

mikrotik_add_dns_regexp is provided by the MikroTik Cursor MCP server (kevinpez/mikrotik-cursor-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.