获取当前平台的硬盘使用率
AI agents call getDiskUsage 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 disk usage statistics from the operating environment. It performs a read-only query of system state with no side effects, no code execution, and no data modification. Alongside sibling tools like getCpuInfo, getBatteryInfo, and getGraphicsInfo, it is clearly part of a system information retrieval suite.
From the tool's definition Tool name 'getDiskUsage' and description '获取当前平台的硬盘使用率' (get current platform disk usage rate) indicate a retrieval operation that queries system information without modifying or executing anything.
Attacks that exploit this kind of access
获取当前平台的硬盘使用率. 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 getDiskUsage: 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.
getDiskUsage 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 getDiskUsage 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 getDiskUsage. 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.
getDiskUsage 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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