Low Risk

get_system_info

[MONITORING] Get comprehensive system information including kernel version, architecture, hostname, uptime, and memory statistics. Works on any system. Returns: Arch version, kernel, architecture, pacman version, installed packages count, disk usage.

How to control get_system_info ↓

AI agents call get_system_info to retrieve information from Arch Linux without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

This tool retrieves system metadata and status information with no side effects. It performs query/monitoring operations that gather data about the current system state without creating, modifying, deleting, or executing anything. This is a classic Read operation with minimal risk if misused by an agent.

From the tool's definition Tool description states it 'Get[s] comprehensive system information' and 'Returns: Arch version, kernel, architecture, pacman version, installed packages count, disk usage.' The [MONITORING] tag and enumerated read-only outputs confirm no modifications or…

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

PolicyLayer is an MCP gateway — it sits between your AI agents and Arch Linux, and nothing reaches the server without passing your rules. This is the rule we recommend for get_system_info:

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_system_info": {}
  }
}

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

  1. Create a free account and register Arch Linux — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Go deeper

What does the get_system_info tool do? +

[MONITORING] Get comprehensive system information including kernel version, architecture, hostname, uptime, and memory statistics. Works on any system. Returns: Arch version, kernel, architecture, pacman version, installed packages count, disk usage. It is categorised as a Read tool in the Arch Linux MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_system_info? +

Register the Arch Linux MCP server in PolicyLayer and add a rule for get_system_info: 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 Arch Linux. Nothing to install.

What risk level is get_system_info? +

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

Can I rate-limit get_system_info? +

Yes. Add a rate_limit block to the get_system_info 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 get_system_info completely? +

Set action: deny in the PolicyLayer policy for get_system_info. 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 get_system_info? +

get_system_info is provided by the Arch Linux MCP server (nihalxkumar/arch-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Arch Linux tool call.

Deterministic rules across all 22 Arch Linux tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

22 Arch Linux tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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