system_performance_status

THE RISK

Low Risk

Why system_performance_status needs a policy

This tool only retrieves read-only system performance metrics. There are no side effects, no data modification, and no execution of commands. It simply queries and returns statistics about CPU, memory, and network usage.

From the tool's definition Get performance statistics (CPU usage per core, memory, network throughput)

Risk signalsAdmin/system-level operation

Documented attack patterns abuse exactly the kind of access system_performance_status gives an agent:

POLICY

How to control system_performance_status

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 system_performance_status:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "system_performance_status": {}
  }
}

system_performance_status is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register FortiOS 7 6 X MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about system_performance_status

What does the system_performance_status tool do? +

Get performance statistics (CPU usage per core, memory, network throughput). It is categorised as a Read tool in the FortiOS 7 6 X MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on system_performance_status? +

Register the FortiOS 7 6 X MCP Server MCP server in PolicyLayer and add a rule for system_performance_status: 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.

What risk level is system_performance_status? +

system_performance_status is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit system_performance_status? +

Yes. Add a rate_limit block to the system_performance_status 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.

How do I block system_performance_status completely? +

Set action: deny in the PolicyLayer policy for system_performance_status. 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.

What MCP server provides system_performance_status? +

system_performance_status 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.

Enforce policy on every FortiOS 7 6 X MCP Server tool call.

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.

CHECK YOUR STACK →