generate_random_port

THE RISK

Low Risk

Why generate_random_port needs a policy

This tool generates random port numbers, which is a read/compute operation with no external side effects. It simply produces a numeric output. Misuse potential is very low as it doesn't interact with any systems or data.

From the tool's definition 'Generate random port numbers' — purely generates/returns a value with no side effects

Documented attack patterns abuse exactly the kind of access generate_random_port gives an agent:

POLICY

How to control generate_random_port

PolicyLayer is an MCP gateway — it sits between your AI agents and IT Tools MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for generate_random_port:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "generate_random_port": {}
  }
}

generate_random_port is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register IT Tools MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about generate_random_port

What does the generate_random_port tool do? +

Generate random port numbers. It is categorised as a Read tool in the IT Tools MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on generate_random_port? +

Register the IT Tools MCP Server MCP server in PolicyLayer and add a rule for generate_random_port: 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 IT Tools MCP Server. Nothing to install.

What risk level is generate_random_port? +

generate_random_port is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit generate_random_port? +

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

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

generate_random_port is provided by the IT Tools MCP Server MCP server (wrenchpilot/it-tools-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every IT Tools MCP Server tool call.

Start from IT Tools MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →