cloudron_create_backup · Mcp Cloudron MCP: Risk & Policy

WHAT IT DOES

What cloudron_create_backup does on Mcp Cloudron

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

WHY IT NEEDS A POLICY

Why cloudron_create_backup needs a policy

Backups are write operations that create new copies of critical system data. While not destructive or financial, creating backups on a self-hosted infrastructure instance has high blast radius—an automated agent could exhaust storage, interfere with backup scheduling, or create unintended backup snapshots that consume resources or complicate disaster recovery workflows.

From the tool's definition The tool description states it "Create[s] a new backup of the Cloudron instance." The verb 'create' and explicit 'backup' action indicate data creation/persistence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cloudron_create_backup Rate-limited

cloudron_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": {
    "cloudron_create_backup": {
      "limits": [
        {
          "counter": "cloudron_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 Mcp Cloudron, so you can run agents against it safely.

FAQ

Questions about cloudron_create_backup

What does the cloudron_create_backup tool do? +

Create a new backup of the Cloudron instance. Performs F36 pre-flight storage check (requires 5GB minimum). Returns task ID for tracking backup progress via cloudron_task_status (F34). It is categorised as a Write tool in the Mcp Cloudron MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cloudron_create_backup? +

Register the Mcp Cloudron MCP server in PolicyLayer and add a rule for cloudron_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 Mcp Cloudron. Nothing to install.

What risk level is cloudron_create_backup? +

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

Can I rate-limit cloudron_create_backup? +

Yes. Add a rate_limit block to the cloudron_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 cloudron_create_backup completely? +

Set action: deny in the PolicyLayer policy for cloudron_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 cloudron_create_backup? +

cloudron_create_backup is provided by the Mcp Cloudron MCP server (serenichron/mcp-cloudron). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.