vna_software_hide · Copper Mountain Vna MCP: Risk & Policy

WHAT IT DOES

What vna_software_hide does on Copper Mountain Vna

AI agents invoke vna_software_hide to trigger actions in Copper Mountain Vna. 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 vna_software_hide needs a policy

This tool triggers an external operation on the VNA software — hiding its user interface — which is a side-effecting action on a running application. It doesn't read data, write/modify measurement data, delete anything, or involve finances. It executes a UI state change on the external VNA software process. Severity is low since hiding the UI is reversible and has limited blast radius.

From the tool's definition Hide VNA software UI

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vna_software_hide Rate-limited

vna_software_hide 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": {
    "vna_software_hide": {
      "limits": [
        {
          "counter": "vna_software_hide_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 Copper Mountain Vna, so you can run agents against it safely.

FAQ

Questions about vna_software_hide

What does the vna_software_hide tool do? +

Hide VNA software UI. It is categorised as a Execute tool in the Copper Mountain Vna MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on vna_software_hide? +

Register the Copper Mountain Vna MCP server in PolicyLayer and add a rule for vna_software_hide: 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 Copper Mountain Vna. Nothing to install.

What risk level is vna_software_hide? +

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

Can I rate-limit vna_software_hide? +

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

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

vna_software_hide is provided by the Copper Mountain Vna MCP server (rfingadam/copper-mountain-vna-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.