scope_recall_waveform · LeCroy Oscilloscope MCP

WHAT IT DOES

What scope_recall_waveform does on LeCroy Oscilloscope MCP

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

WHY IT NEEDS A POLICY

Why scope_recall_waveform needs a policy

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

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

scope_recall_waveform Rate-limited

scope_recall_waveform 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": {
    "scope_recall_waveform": {
      "limits": [
        {
          "counter": "scope_recall_waveform_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 LeCroy Oscilloscope MCP, so you can run agents against it safely.

FAQ

Questions about scope_recall_waveform

What does the scope_recall_waveform tool do? +

Recall a waveform from internal memory. It is categorised as a Write tool in the LeCroy Oscilloscope MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on scope_recall_waveform? +

Register the LeCroy Oscilloscope MCP server in PolicyLayer and add a rule for scope_recall_waveform: 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 LeCroy Oscilloscope MCP. Nothing to install.

What risk level is scope_recall_waveform? +

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

Can I rate-limit scope_recall_waveform? +

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

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

scope_recall_waveform is provided by the LeCroy Oscilloscope MCP server (lucasgerads/lecroy-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.