识别已连接仪器的型号，并推荐可用命令。
AI agents call discover_my_instrument to retrieve information from Instrument MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool performs introspection and enumeration of connected instruments and their capabilities. It retrieves and reports metadata about instruments and available SCPI commands without executing commands that alter instrument behavior, state, or produce side effects. This is a read-only discovery operation, making it Read category with low severity.
From the tool's definition Tool description states it '识别已连接仪器的型号，并推荐可用命令' (identifies connected instrument model and recommends available commands). This is purely informational discovery with no modification of instrument state or data.
Attacks that exploit this kind of access
识别已连接仪器的型号，并推荐可用命令。. It is categorised as a Read tool in the Instrument MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Instrument MCP Server MCP server in PolicyLayer and add a rule for discover_my_instrument: 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 Instrument MCP Server. Nothing to install.
discover_my_instrument 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 discover_my_instrument 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 discover_my_instrument. 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.
discover_my_instrument is provided by the Instrument MCP Server MCP server (zeng-andrew/instrument-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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