cloudron_create_group · Mcp Cloudron MCP: Risk & Policy

WHAT IT DOES

What cloudron_create_group does on Mcp Cloudron

AI agents use cloudron_create_group 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_group needs a policy

This tool creates a new group, which is a reversible write operation that modifies the Cloudron instance's access control and user organization structure. It is not destructive (groups can be deleted), not financial, and not execute (it doesn't run arbitrary code).

From the tool's definition Tool name 'cloudron_create_group' and description 'Create a new group on the Cloudron instance' indicate a creation operation that modifies system state by adding a new group resource.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cloudron_create_group Rate-limited

cloudron_create_group 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_group": {
      "limits": [
        {
          "counter": "cloudron_create_group_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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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_group

What does the cloudron_create_group tool do? +

Create a new group on the Cloudron instance. Groups can be used for access control and user organization. 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_group? +

Register the Mcp Cloudron MCP server in PolicyLayer and add a rule for cloudron_create_group: 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_group? +

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

Can I rate-limit cloudron_create_group? +

Yes. Add a rate_limit block to the cloudron_create_group 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_group completely? +

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

cloudron_create_group 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.