AI agents use user_group_create to create or update resources in FortiOS 7 6 X MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your FortiOS 7 6 X MCP Server environment.
The '_create' suffix indicates a write operation that creates new objects (user groups) in the FortiOS system. This is reversible (can be deleted) but has high severity due to potential impact on access control and administrative blast radius if an agent misconfigures user group permissions or creates unauthorized groups.
From the tool's definition Tool named 'user_group_create' with no description. Based on naming convention and context within FortiOS MCP server exposing REST API operations, this tool creates user groups—a reversible data modification operation.
Documented attack patterns abuse exactly the kind of access user_group_create gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and FortiOS 7 6 X MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for user_group_create:
{
"version": "1",
"default": "deny",
"tools": {
"user_group_create": {
"limits": [
{
"counter": "user_group_create_rate",
"window": "minute",
"max": 30,
"scope": "grant"
}
]
}
}
}user_group_create stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.
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user_group_create. It is categorised as a Write tool in the FortiOS 7 6 X MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the FortiOS 7 6 X MCP Server MCP server in PolicyLayer and add a rule for user_group_create: 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 FortiOS 7 6 X MCP Server. Nothing to install.
user_group_create is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the user_group_create 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 user_group_create. 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.
user_group_create is provided by the FortiOS 7 6 X MCP Server MCP server (paoloamato2/fortinet-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from FortiOS 7 6 X MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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240 FortiOS 7 6 X MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.