unity_mppm_list_players

List the 4 MPPM virtual-player slots and their current state

SERVERUnity MCP Server SOURCEanklebreaker-studio/unity-mcp-server

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-mppm-list-players.md

WHAT IT DOES

What unity_mppm_list_players does on Unity MCP Server

AI agents call unity_mppm_list_players to retrieve information from Unity MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why unity_mppm_list_players is rated Low

This tool queries the current state of virtual player slots in Unity's MPPM (Multiplay Platform Manager) system. It only reads and reports existing state without creating, modifying, deleting, or executing any operations. The verb 'list' and the read-only nature of inspecting slot state clearly indicates a Read category tool with minimal risk.

From the tool's definition Tool name contains 'list' and description states 'List the 4 MPPM virtual-player slots and their current state' — purely retrieves state information with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_mppm_list_players safely

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

unity_mppm_list_players Allowed

unity_mppm_list_players is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "unity_mppm_list_players": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about unity_mppm_list_players

What does the unity_mppm_list_players tool do? +

List the 4 MPPM virtual-player slots and their current state. It is categorised as a Read tool in the Unity MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on unity_mppm_list_players? +

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

What risk level is unity_mppm_list_players? +

unity_mppm_list_players is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit unity_mppm_list_players? +

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

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

unity_mppm_list_players is provided by the Unity MCP Server MCP server (anklebreaker-studio/unity-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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