nec2_create_loop · Mcp Nec2 Antenna MCP: Risk & Policy

WHAT IT DOES

What nec2_create_loop does on Mcp Nec2 Antenna

AI agents use nec2_create_loop to create or update resources in Mcp Nec2 Antenna — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mcp Nec2 Antenna environment.

WHY IT NEEDS A POLICY

Why nec2_create_loop needs a policy

This tool creates antenna design parameters (a reversible data structure) in the NEC2 simulation environment. It does not execute simulations, delete data, or have external side effects. Creation of design configurations is a Write operation.

From the tool's definition Tool name 'nec2_create_loop' with verb 'create' indicates creation of a new antenna design. Description states 'Create a full-wave loop antenna' confirming data creation.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

nec2_create_loop Rate-limited

nec2_create_loop 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": {
    "nec2_create_loop": {
      "limits": [
        {
          "counter": "nec2_create_loop_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 Mcp Nec2 Antenna, so you can run agents against it safely.

FAQ

Questions about nec2_create_loop

What does the nec2_create_loop tool do? +

Create a full-wave loop antenna (quad configuration). It is categorised as a Write tool in the Mcp Nec2 Antenna MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on nec2_create_loop? +

Register the Mcp Nec2 Antenna MCP server in PolicyLayer and add a rule for nec2_create_loop: 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 Nec2 Antenna. Nothing to install.

What risk level is nec2_create_loop? +

nec2_create_loop is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit nec2_create_loop? +

Yes. Add a rate_limit block to the nec2_create_loop 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 nec2_create_loop completely? +

Set action: deny in the PolicyLayer policy for nec2_create_loop. 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 nec2_create_loop? +

nec2_create_loop is provided by the Mcp Nec2 Antenna MCP server (rfingadam/mcp-nec2-antenna). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.