scope_measure
AI agents call scope_measure to retrieve information from LeCroy Oscilloscope MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Based on the tool name and context of sibling tools (waveform capture, measurements, channel configuration), 'scope_measure' most likely retrieves measurement data from the oscilloscope (e.g., voltage, frequency, amplitude). This would be a Read operation. However, confidence is lowered due to the empty description — it could also configure measurement parameters (Write).
From the tool's definition Tool name 'scope_measure' on an oscilloscope control server; description is empty and uninformative.
Attacks that exploit this kind of access
scope_measure. It is categorised as a Read tool in the LeCroy Oscilloscope MCP MCP Server, which means it retrieves data without modifying state.
Register the LeCroy Oscilloscope MCP server in PolicyLayer and add a rule for scope_measure: 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.
scope_measure is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the scope_measure 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.
Set action: deny in the PolicyLayer policy for scope_measure. 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.
scope_measure 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.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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