AI agents call monit_delete_test to permanently remove resources in OPNSense MCP Server — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
This tool deletes monitoring test configurations, which cannot be undone. While not as critical as deleting firewall rules or certificates, deletion of monitoring tests is still a destructive operation that removes system configuration. An AI agent misusing this could disable important health checks or security monitoring, impacting visibility into system status.
From the tool's definition Tool name 'monit_delete_test' contains 'delete', and description states 'Delete a Monit test'. The verb 'delete' indicates irreversible removal of data/configuration.
Documented attack patterns abuse exactly the kind of access monit_delete_test gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and OPNSense MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for monit_delete_test:
{
"version": "1",
"default": "deny",
"hide": [
"monit_delete_test"
]
}monit_delete_test disappears from the agent's tool list entirely, and any attempt to call it is denied. The rest of the server keeps working.
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Delete a Monit test. It is categorised as a Destructive tool in the OPNSense MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the OPNSense MCP Server MCP server in PolicyLayer and add a rule for monit_delete_test: 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 OPNSense MCP Server. Nothing to install.
monit_delete_test 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 monit_delete_test 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 monit_delete_test. 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.
monit_delete_test is provided by the OPNSense MCP Server MCP server (vespo92/opnsensemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 196 OPNSense MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
196 OPNSense MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.