update_ha_group

A write tool on the Proxmox MCP server.

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/update-ha-group.md

WHAT IT DOES

What update_ha_group does on Proxmox MCP Server

AI agents use update_ha_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 update_ha_group is rated Medium

Based on the name, this tool likely updates/modifies High Availability group settings in Proxmox VE infrastructure. HA groups control which nodes can run critical VMs/containers, so misconfiguration could cause service disruptions. Classified as Write since 'update' implies reversible modification, though the empty description lowers confidence.

From the tool's definition Tool name 'update_ha_group' suggests modifying a High Availability group configuration in Proxmox VE. Description is empty, providing no additional context.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_ha_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 update_ha_group, this is the rule to start with:

update_ha_group Rate-limited

update_ha_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": {
    "update_ha_group": {
      "limits": [
        {
          "counter": "update_ha_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 update_ha_group call is checked against it from then on.

FAQ

Questions about update_ha_group

What does the update_ha_group tool do? +

update_ha_group is a write tool on the Proxmox MCP Server MCP server. 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 update_ha_group? +

Register the Proxmox MCP Server MCP server in PolicyLayer and add a rule for update_ha_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 update_ha_group? +

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

Can I rate-limit update_ha_group? +

Yes. Add a rate_limit block to the update_ha_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 update_ha_group completely? +

Set action: deny in the PolicyLayer policy for update_ha_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 update_ha_group? +

update_ha_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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