Regenerate the subscription URL key. The old URL stops working immediately. All VPN apps using this subscription will need to re-import. Use when the URL may have been leaked.
AI agents call custom_subscriptions_reset_key to permanently remove resources in StealthSurf MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
An AI agent that decides to call custom_subscriptions_reset_key doesn't hesitate, doesn't double-check, and doesn't stop at one. Whatever it removes from StealthSurf MCP Server is gone — there is no undo for destructive operations.
Attacks that exploit this kind of access
Regenerate the subscription URL key. The old URL stops working immediately. All VPN apps using this subscription will need to re-import. Use when the URL may have been leaked. It is categorised as a Destructive tool in the StealthSurf MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the StealthSurf MCP Server MCP server in PolicyLayer and add a rule for custom_subscriptions_reset_key: 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 StealthSurf MCP Server. Nothing to install.
custom_subscriptions_reset_key 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 custom_subscriptions_reset_key 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 custom_subscriptions_reset_key. 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.
custom_subscriptions_reset_key is provided by the StealthSurf MCP Server MCP server (stealthsurf-vpn/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.