usbtmc_disconnect · USBTMC MCP Server MCP: Risk & Policy

WHAT IT DOES

What usbtmc_disconnect does on USBTMC MCP Server

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

WHY IT NEEDS A POLICY

Why usbtmc_disconnect needs a policy

An AI agent can call usbtmc_disconnect faster than any human can review — one bad instruction and it creates or modifies resources in USBTMC MCP Server by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

usbtmc_disconnect Rate-limited

usbtmc_disconnect 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": {
    "usbtmc_disconnect": {
      "limits": [
        {
          "counter": "usbtmc_disconnect_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 USBTMC MCP Server, so you can run agents against it safely.

FAQ

Questions about usbtmc_disconnect

What does the usbtmc_disconnect tool do? +

usbtmc_disconnect. It is categorised as a Write tool in the USBTMC 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 usbtmc_disconnect? +

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

What risk level is usbtmc_disconnect? +

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

Can I rate-limit usbtmc_disconnect? +

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

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

usbtmc_disconnect is provided by the USBTMC MCP Server MCP server (naonaome/usbtmc-lite-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.