sonarr.series_add · Arr Stack MCP: Risk & Policy

WHAT IT DOES

What sonarr.series_add does on Arr Stack

AI agents use sonarr.series_add to create or update resources in Arr Stack — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Arr Stack environment.

WHY IT NEEDS A POLICY

Why sonarr.series_add needs a policy

This tool creates or adds a new series to Sonarr, which is a reversible data modification operation. It does not delete data (Destructive), execute arbitrary commands (Execute), transfer money (Financial), or merely read data (Read). The 'add' operation fits the Write category.

From the tool's definition Tool name 'sonarr.series_add' indicates creation of a new series entry in Sonarr (a media management system). The 'add' operation modifies the system state by creating data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sonarr.series_add Rate-limited

sonarr.series_add 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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "sonarr.series_add": {
      "limits": [
        {
          "counter": "sonarr.series_add_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about sonarr.series_add

What does the sonarr.series_add tool do? +

sonarr.series_add. It is categorised as a Write tool in the Arr Stack MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on sonarr.series_add? +

Register the Arr Stack MCP server in PolicyLayer and add a rule for sonarr.series_add: 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 Arr Stack. Nothing to install.

What risk level is sonarr.series_add? +

sonarr.series_add is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit sonarr.series_add? +

Yes. Add a rate_limit block to the sonarr.series_add 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 sonarr.series_add completely? +

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

sonarr.series_add is provided by the Arr Stack MCP server (new-usemame/arr-stack-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.