AI agents call list_onetime_schedules to retrieve information from Fortimanager without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a data retrieval operation ('list') to query existing one-time schedules. It has no capability to create, modify, delete, or execute actions. The blast radius of misuse is minimal—an attacker gains visibility into scheduled tasks but cannot alter system state or trigger unwanted operations through this tool alone.
From the tool's definition Tool name 'list_onetime_schedules' and description 'List all one-time schedules in an ADOM' indicate a read-only query operation that retrieves scheduling data without modification or side effects.
Documented attack patterns abuse exactly the kind of access list_onetime_schedules 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 list_onetime_schedules:
{
"version": "1",
"default": "deny",
"tools": {
"list_onetime_schedules": {}
}
}list_onetime_schedules is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List all one-time schedules in an ADOM. It is categorised as a Read tool in the Fortimanager MCP Server, which means it retrieves data without modifying state.
Register the Fortimanager MCP server in PolicyLayer and add a rule for list_onetime_schedules: 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.
list_onetime_schedules is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_onetime_schedules 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 list_onetime_schedules. 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.
list_onetime_schedules 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.