findomain_scan · Kali MCP: Risk & Policy

WHAT IT DOES

What findomain_scan does on Kali

AI agents invoke findomain_scan to trigger actions in Kali. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why findomain_scan needs a policy

The tool executes an external reconnaissance binary (findomain) against a target domain. While it is primarily a read/enumeration operation, it runs arbitrary external code whose effects depend on arguments and is part of an offensive security toolkit. The broader server context (penetration testing, 90+ tools including exploits and password attacks) elevates severity.

From the tool's definition 'Execute findomain with the provided parameters' — runs the findomain subdomain enumeration tool as an external process; part of a Kali Linux penetration testing server with 90+ offensive security tools

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

findomain_scan Rate-limited

findomain_scan stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "findomain_scan": {
      "limits": [
        {
          "counter": "findomain_scan_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about findomain_scan

What does the findomain_scan tool do? +

Execute findomain with the provided parameters. It is categorised as a Execute tool in the Kali MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on findomain_scan? +

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

What risk level is findomain_scan? +

findomain_scan is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit findomain_scan? +

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

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

findomain_scan is provided by the Kali MCP server (pentestt00ls/kali-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.