AI agents call clear_database_cache to permanently remove resources in Fortimanager — typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.
The name 'clear_database_cache' implies wiping or purging cached data, which is typically an irreversible operation. On a FortiManager system, clearing the database cache could disrupt ongoing operations, cause data loss of in-memory state, or force expensive re-computation.
From the tool's definition Tool name 'clear_database_cache' suggests irreversible removal of cached database data. Description is empty, providing no additional context.
Documented attack patterns abuse exactly the kind of access clear_database_cache gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Fortimanager, and nothing reaches the server without passing your rules. This is the rule we recommend for clear_database_cache:
{
"version": "1",
"default": "deny",
"hide": [
"clear_database_cache"
]
}clear_database_cache 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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clear_database_cache. It is categorised as a Destructive tool in the Fortimanager MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.
Register the Fortimanager MCP server in PolicyLayer and add a rule for clear_database_cache: 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 Fortimanager. Nothing to install.
clear_database_cache 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_database_cache 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_database_cache. 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_database_cache is provided by the Fortimanager MCP server (jmpijll/fortimanager-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Fortimanager, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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584 Fortimanager tools catalogued and risk-classified — across an index of 43,000+ MCP servers.