tdarr_create_backup · Tdarr MCP: Risk & Policy

WHAT IT DOES

What tdarr_create_backup does on Tdarr

AI agents use tdarr_create_backup 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_create_backup needs a policy

This tool writes/creates a new backup file or backup record in the system. It is reversible (backups can be deleted) and does not destroy data, execute arbitrary code, or move money.

From the tool's definition Tool description: 'Create a backup of the Tdarr database' — this creates a new backup artifact, modifying the backup storage state without irreversibly destroying existing data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tdarr_create_backup Rate-limited

tdarr_create_backup 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_create_backup": {
      "limits": [
        {
          "counter": "tdarr_create_backup_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_create_backup

What does the tdarr_create_backup tool do? +

Create a backup of the Tdarr database. 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_create_backup? +

Register the Tdarr MCP server in PolicyLayer and add a rule for tdarr_create_backup: 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_create_backup? +

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

Can I rate-limit tdarr_create_backup? +

Yes. Add a rate_limit block to the tdarr_create_backup 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_create_backup completely? +

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

tdarr_create_backup 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.