create_group

Create a new group.

SERVERProxmox MCP Server SOURCEgethosthewalrus/proxmox-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/gethosthewalrus-proxmox-mcp/create-group.md

WHAT IT DOES

What create_group does on Proxmox MCP Server

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

RISK

Why create_group is rated Medium

The tool creates new group entities within the Proxmox infrastructure management system. This is a Write operation as it creates data with reversible effects. Severity is medium because unauthorized group creation could grant unintended access or resource permissions, potentially affecting VM/container isolation and administrative control, but can be reversed by deleting the group.

From the tool's definition Tool name 'create_group' and description 'Create a new group' indicate data creation. In Proxmox context, group creation typically involves reversible modifications to access control lists or resource groupings.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs create_group safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Proxmox MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_group, this is the rule to start with:

create_group Rate-limited

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": {
    "create_group": {
      "limits": [
        {
          "counter": "create_group_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Proxmox MCP Server, apply this rule, and every create_group call is checked against it from then on.

FAQ

Questions about create_group

What does the create_group tool do? +

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

How do I enforce a policy on create_group? +

Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for 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 Proxmox MCP Server. Nothing to install.

What risk level is create_group? +

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

Can I rate-limit create_group? +

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

Set action: deny in the PolicyLayer policy for 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 create_group? +

create_group is provided by the Proxmox MCP Server MCP server (gethosthewalrus/proxmox-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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