Get current system status including CPU, memory, disk usage, and version info
AI agents call system_status to retrieve information from pfSense Enhanced MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves system metrics and diagnostic information without side effects. It is a pure read operation that queries system state without creating, modifying, deleting, or executing any operations. Even if an AI agent misuses it, the blast radius is minimal—it cannot affect firewall configuration, rules, traffic, or system behavior.
From the tool's definition Tool description states 'Get current system status' with no modification, deletion, or execution capabilities. Returns read-only information: CPU, memory, disk usage, and version info.
Risk signalsAdmin/system-level operation
Attacks that exploit this kind of access
Get current system status including CPU, memory, disk usage, and version info. It is categorised as a Read tool in the pfSense Enhanced MCP Server MCP Server, which means it retrieves data without modifying state.
Register the pfSense Enhanced MCP Server MCP server in PolicyLayer and add a rule for system_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 pfSense Enhanced MCP Server. Nothing to install.
system_status 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 system_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.
Set action: deny in the PolicyLayer policy for system_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.
system_status is provided by the pfSense Enhanced MCP Server MCP server (mmaxwellcb/pfsesen_mcp_2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
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