Clear all defined limits
AI agents call vna_clear_limits to permanently remove resources in Copper Mountain Vna — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
Clearing all defined limits destroys configuration data that may have taken significant effort to set up (pass/fail test limits for measurements). This action is not easily reversible without manually re-entering all limits, making it Destructive.
From the tool's definition 'Clear all defined limits' — irreversibly removes all limit definitions configured on the VNA
Risk signalsBulk/mass operation — affects multiple targets
Attacks that exploit this kind of access
Clear all defined limits. It is categorised as a Destructive tool in the Copper Mountain Vna MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Copper Mountain Vna MCP server in PolicyLayer and add a rule for vna_clear_limits: 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 Copper Mountain Vna. Nothing to install.
vna_clear_limits 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 vna_clear_limits 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 vna_clear_limits. 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.
vna_clear_limits is provided by the Copper Mountain Vna MCP server (rfingadam/copper-mountain-vna-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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