sabnzbd_resume_queue · Homelab MCP: Risk & Policy

WHAT IT DOES

What sabnzbd_resume_queue does on Homelab

AI agents invoke sabnzbd_resume_queue to trigger actions in Homelab. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why sabnzbd_resume_queue needs a policy

This tool triggers an external operation on the SABnzbd download manager — resuming its queue. It causes a state change in an external service (initiating network downloads), which qualifies as Execute. It is not purely data retrieval, nor does it irreversibly destroy data or involve financial transactions.

From the tool's definition Resume the SABnzbd download queue

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sabnzbd_resume_queue Rate-limited

sabnzbd_resume_queue stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sabnzbd_resume_queue": {
      "limits": [
        {
          "counter": "sabnzbd_resume_queue_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Homelab, so you can run agents against it safely.

FAQ

Questions about sabnzbd_resume_queue

What does the sabnzbd_resume_queue tool do? +

Resume the SABnzbd download queue. It is categorised as a Execute tool in the Homelab MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on sabnzbd_resume_queue? +

Register the Homelab MCP server in PolicyLayer and add a rule for sabnzbd_resume_queue: 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 Homelab. Nothing to install.

What risk level is sabnzbd_resume_queue? +

sabnzbd_resume_queue is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit sabnzbd_resume_queue? +

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

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

sabnzbd_resume_queue is provided by the Homelab MCP server (nainounen/homelab-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.