获取当前设备的音频设备信息
AI agents call getAudioInfo to retrieve information from Current operating environment without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves read-only information about audio devices on the system. It has no side effects, cannot modify or delete data, and cannot execute code or commands. The description and sibling tools (getAppSchemas, getBatteryInfo, getCpuInfo, etc.) all indicate this server provides passive environmental introspection.
From the tool's definition Tool name 'getAudioInfo' and description 'Get current device audio device information' (translated from Chinese: 获取当前设备的音频设备信息) indicate a query/retrieval operation with no modification capability.
Attacks that exploit this kind of access
获取当前设备的音频设备信息. It is categorised as a Read tool in the Current operating environment MCP Server, which means it retrieves data without modifying state.
Register the Current operating environment MCP server in PolicyLayer and add a rule for getAudioInfo: 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 Current operating environment. Nothing to install.
getAudioInfo 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 getAudioInfo 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 getAudioInfo. 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.
getAudioInfo is provided by the Current operating environment MCP server (jackxuyi/env-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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