Get current system uptime and boot information
AI agents call get_system_uptime to retrieve information from Windows Diagnostics MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves diagnostic information about system uptime and boot history. It has no side effects, does not modify any system state, and does not execute commands or delete data. It falls squarely into the Read category as a passive information retrieval operation.
From the tool's definition Tool name 'get_system_uptime' and description 'Get current system uptime and boot information' indicate a read-only retrieval of system state information with no modification capability.
Attacks that exploit this kind of access
Get current system uptime and boot information. It is categorised as a Read tool in the Windows Diagnostics MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Windows Diagnostics MCP Server MCP server in PolicyLayer and add a rule for get_system_uptime: 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 Windows Diagnostics MCP Server. Nothing to install.
get_system_uptime 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 get_system_uptime 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 get_system_uptime. 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.
get_system_uptime is provided by the Windows Diagnostics MCP Server MCP server (jackalterman/windows-diagnostic-mcp-server). 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.
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