deprive_player_op · OPanel MCP: Risk & Policy

WHAT IT DOES

What deprive_player_op does on OPanel MCP

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

WHY IT NEEDS A POLICY

Why deprive_player_op needs a policy

This tool modifies a player's permission level by removing operator status. It is a reversible change (op can be re-granted), so it falls under Write rather than Destructive. Misuse could lock out legitimate admins or disrupt server management, giving it medium severity.

From the tool's definition Deprive a player of operator (op) permission on the Minecraft server.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

deprive_player_op Rate-limited

deprive_player_op 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": {
    "deprive_player_op": {
      "limits": [
        {
          "counter": "deprive_player_op_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 OPanel MCP, so you can run agents against it safely.

FAQ

Questions about deprive_player_op

What does the deprive_player_op tool do? +

Deprive a player of operator (op) permission on the Minecraft server. It is categorised as a Write tool in the OPanel 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 deprive_player_op? +

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

What risk level is deprive_player_op? +

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

Can I rate-limit deprive_player_op? +

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

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

deprive_player_op is provided by the OPanel MCP server (opanel-mc/opanel-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.