manage_server_group_permissions

THE RISK

Medium Risk

Why manage_server_group_permissions needs a policy

This tool modifies server group permissions, which are configuration data that control access rights. While listing permissions is a Read operation, the tool's primary capability to add and remove permissions makes it a Write action.

From the tool's definition The tool description states it can 'Add, remove or list permissions for a server group.' Adding and removing permissions are Write operations that modify access control configurations reversibly.

Documented attack patterns abuse exactly the kind of access manage_server_group_permissions gives an agent:

POLICY

How to control manage_server_group_permissions

PolicyLayer is an MCP gateway — it sits between your AI agents and TeamSpeak MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for manage_server_group_permissions:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "manage_server_group_permissions": {
      "limits": [
        {
          "counter": "manage_server_group_permissions_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

manage_server_group_permissions 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.

Create a free account and register TeamSpeak MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about manage_server_group_permissions

What does the manage_server_group_permissions tool do? +

Add, remove or list permissions for a server group. It is categorised as a Write tool in the TeamSpeak MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on manage_server_group_permissions? +

Register the TeamSpeak MCP server in PolicyLayer and add a rule for manage_server_group_permissions: 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 TeamSpeak MCP. Nothing to install.

What risk level is manage_server_group_permissions? +

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

Can I rate-limit manage_server_group_permissions? +

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

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

manage_server_group_permissions is provided by the TeamSpeak MCP server (marlburrow/teamspeak-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every TeamSpeak MCP tool call.

Start from TeamSpeak MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →