AI agents may call delete_proxy to permanently remove or destroy resources in Sshmcp. Without a policy, an autonomous agent could delete critical data in a loop with no way to undo the damage. PolicyLayer blocks destructive tools by default and requires explicit human approval before enabling them.
Without a policy, an AI agent could call delete_proxy in a loop, permanently destroying resources in Sshmcp. There is no undo for destructive operations. PolicyLayer blocks this tool by default and only allows it when a human explicitly approves the action.
Destructive tools permanently remove data. Block by default. Only enable with explicit approval workflows.
{
"version": "1",
"default": "deny",
"hide": [
"delete_proxy"
]
}See the full Sshmcp policy for all 21 tools.
These attack patterns abuse exactly the kind of access delete_proxy gives an agent. Each links to the full case and the policy that stops it:
Other destructive tools across the catalogue. The same approach applies to each: deny by default, or require human approval.
Delete proxy preset. It is categorised as a Destructive tool in the Sshmcp MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Ssh MCP server in PolicyLayer and add a rule for delete_proxy: 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 Sshmcp. Nothing to install.
delete_proxy 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 delete_proxy 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 delete_proxy. 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.
delete_proxy is provided by the Ssh MCP server (@nl4ever/sshmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 21 Sshmcp tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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