bettercap · MCP Kali Pentest MCP: Risk & Policy

WHAT IT DOES

What bettercap does on MCP Kali Pentest

AI agents invoke bettercap to trigger actions in MCP Kali Pentest. 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 bettercap needs a policy

Bettercap is a multi-purpose network attack framework capable of performing active attacks such as MITM, ARP spoofing, credential harvesting, packet injection, and WiFi/Bluetooth attacks. The description explicitly mentions 'attacks' alongside reconnaissance.

From the tool's definition Swiss Army knife for WiFi, Bluetooth, and Ethernet networks reconnaissance and attacks

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

bettercap Rate-limited

bettercap 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": {
    "bettercap": {
      "limits": [
        {
          "counter": "bettercap_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 MCP Kali Pentest, so you can run agents against it safely.

FAQ

Questions about bettercap

What does the bettercap tool do? +

Swiss Army knife for WiFi, Bluetooth, and Ethernet networks reconnaissance and attacks. It is categorised as a Execute tool in the MCP Kali Pentest MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on bettercap? +

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

What risk level is bettercap? +

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

Can I rate-limit bettercap? +

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

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

bettercap is provided by the MCP Kali Pentest MCP server (root1856/mcpkali). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.