configure_scope · Niscope MCP: Risk & Policy

WHAT IT DOES

What configure_scope does on Niscope

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

WHY IT NEEDS A POLICY

Why configure_scope needs a policy

Based on the name 'configure_scope' and the server's purpose of controlling NI oscilloscopes, this tool likely modifies oscilloscope settings/configuration (e.g., voltage range, timebase, trigger). This is a Write operation as it changes device state reversibly. Confidence is reduced due to the empty description.

From the tool's definition Tool name 'configure_scope' and server context (oscilloscope control, waveform acquisition, configuration). Description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

configure_scope Rate-limited

configure_scope 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": {
    "configure_scope": {
      "limits": [
        {
          "counter": "configure_scope_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 Niscope, so you can run agents against it safely.

FAQ

Questions about configure_scope

What does the configure_scope tool do? +

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

How do I enforce a policy on configure_scope? +

Register the Niscope MCP server in PolicyLayer and add a rule for configure_scope: 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 Niscope. Nothing to install.

What risk level is configure_scope? +

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

Can I rate-limit configure_scope? +

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

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

configure_scope is provided by the Niscope MCP server (ymzds/niscope-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.