subfinder_enum · Redteam MCP: Risk & Policy

WHAT IT DOES

What subfinder_enum does on Redteam

AI agents invoke subfinder_enum to trigger actions in Redteam. 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 subfinder_enum needs a policy

This tool executes an active reconnaissance tool (Subfinder) against an external target domain. While subdomain enumeration is a read-like operation conceptually, it triggers execution of a hacking tool inside a Kali Linux container against external infrastructure, making it Execute category.

From the tool's definition Enumerate subdomains of a target domain using Subfinder — runs Subfinder tool inside a Kali Linux Docker container as part of a penetration testing server

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

subfinder_enum Rate-limited

subfinder_enum 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": {
    "subfinder_enum": {
      "limits": [
        {
          "counter": "subfinder_enum_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 Redteam, so you can run agents against it safely.

FAQ

Questions about subfinder_enum

What does the subfinder_enum tool do? +

Enumerate subdomains of a target domain using Subfinder. It is categorised as a Execute tool in the Redteam MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on subfinder_enum? +

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

What risk level is subfinder_enum? +

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

Can I rate-limit subfinder_enum? +

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

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

subfinder_enum is provided by the Redteam MCP server (samirjani03/redteam-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.