revoke_all_bans_for_user · Playfab MCP: Risk & Policy

WHAT IT DOES

What revoke_all_bans_for_user does on Playfab

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

WHY IT NEEDS A POLICY

Why revoke_all_bans_for_user needs a policy

This tool modifies existing ban records by removing/deactivating them. While it changes state, bans can potentially be re-applied, making this a reversible Write operation rather than Destructive. However, the severity is high because bulk-removing all bans for a user could allow previously banned/malicious players to regain access, with significant security and moderation implications.

From the tool's definition Removes all active bans for a specific player

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

revoke_all_bans_for_user Rate-limited

revoke_all_bans_for_user 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": {
    "revoke_all_bans_for_user": {
      "limits": [
        {
          "counter": "revoke_all_bans_for_user_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 Playfab, so you can run agents against it safely.

FAQ

Questions about revoke_all_bans_for_user

What does the revoke_all_bans_for_user tool do? +

Removes all active bans for a specific player. It is categorised as a Write tool in the Playfab MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on revoke_all_bans_for_user? +

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

What risk level is revoke_all_bans_for_user? +

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

Can I rate-limit revoke_all_bans_for_user? +

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

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

revoke_all_bans_for_user is provided by the Playfab MCP server (@akiojin/playfab-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.