tdarr_public_auth_register · Tdarr MCP: Risk & Policy

WHAT IT DOES

What tdarr_public_auth_register does on Tdarr

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

WHY IT NEEDS A POLICY

Why tdarr_public_auth_register needs a policy

Registering a new user creates a new account entry, which is a reversible Write operation. Severity is medium because an AI agent could create unauthorized accounts or perform account enumeration attacks, potentially escalating privileges or disrupting legitimate access.

From the tool's definition Tool name is 'tdarr_public_auth_register' with description 'Register a new user'. This creates a new user account in the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tdarr_public_auth_register Rate-limited

tdarr_public_auth_register 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": {
    "tdarr_public_auth_register": {
      "limits": [
        {
          "counter": "tdarr_public_auth_register_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 Tdarr, so you can run agents against it safely.

FAQ

Questions about tdarr_public_auth_register

What does the tdarr_public_auth_register tool do? +

Register a new user. It is categorised as a Write tool in the Tdarr MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on tdarr_public_auth_register? +

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

What risk level is tdarr_public_auth_register? +

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

Can I rate-limit tdarr_public_auth_register? +

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

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

tdarr_public_auth_register is provided by the Tdarr MCP server (maximeallanic/tdarr-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.