clear
AI agents call clear to permanently remove resources in Windows Operations MCP — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
While 'clear' most commonly means clearing screen output (low severity), the context of a comprehensive Windows system management tool with destructive capabilities like file operations suggests potential for irreversible data destruction. Given the severity ceiling for ambiguous destructive operations and the lack of clarifying description, this is classified as Destructive with medium-high confidence.
From the tool's definition Tool named 'clear' with empty description on a Windows Operations MCP server that provides PowerShell/CMD execution and file operations.
Attacks that exploit this kind of access
clear. It is categorised as a Destructive tool in the Windows Operations MCP MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Windows Operations MCP server in PolicyLayer and add a rule for clear: 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 Operations MCP. Nothing to install.
clear is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the clear 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 clear. 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.
clear is provided by the Windows Operations MCP server (sandraschi/windows-operations-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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