plan_subnets · Network MCP Server MCP: Risk & Policy

WHAT IT DOES

What plan_subnets does on Network MCP Server

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

WHY IT NEEDS A POLICY

Why plan_subnets needs a policy

Based on naming convention, 'plan_subnets' most likely creates or modifies subnet plans/configurations rather than merely querying existing data. This is reversible (Write category) rather than destructive. Without explicit documentation, confidence is reduced.

From the tool's definition Tool name 'plan_subnets' suggests creation or modification of subnet configurations. Description is empty, limiting direct evidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

plan_subnets Rate-limited

plan_subnets 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": {
    "plan_subnets": {
      "limits": [
        {
          "counter": "plan_subnets_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 Network MCP Server, so you can run agents against it safely.

FAQ

Questions about plan_subnets

What does the plan_subnets tool do? +

plan_subnets. It is categorised as a Write tool in the Network MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on plan_subnets? +

Register the Network MCP Server MCP server in PolicyLayer and add a rule for plan_subnets: 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 Network MCP Server. Nothing to install.

What risk level is plan_subnets? +

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

Can I rate-limit plan_subnets? +

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

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

plan_subnets is provided by the Network MCP Server MCP server (labeveryday/network-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

plan_subnets is one line of Network MCP Server's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

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