Medium Risk

unity_mppm_create_scenario

Create an MPPM ScenarioConfig asset programmatically. Unity 6+ (MPPM 2.0).

How to control unity_mppm_create_scenario ↓

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

Medium Risk

This tool creates a new ScenarioConfig asset, which is a reversible Write operation. It modifies the project state by adding a new asset, but the action is not destructive (can be undone/deleted) and does not execute arbitrary code, delete data, or move funds.

From the tool's definition Tool name contains 'create' and description states 'Create an MPPM ScenarioConfig asset programmatically', indicating creation of a new asset/configuration within the Unity project.

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

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "unity_mppm_create_scenario": {
      "limits": [
        {
          "counter": "unity_mppm_create_scenario_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

unity_mppm_create_scenario 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.

  1. Create a free account and register Unity MCP Server — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
LIMIT THIS TOOL →

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Go deeper

What does the unity_mppm_create_scenario tool do? +

Create an MPPM ScenarioConfig asset programmatically. Unity 6+ (MPPM 2.0). It is categorised as a Write tool in the Unity 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 unity_mppm_create_scenario? +

Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_mppm_create_scenario: 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_create_scenario? +

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

Can I rate-limit unity_mppm_create_scenario? +

Yes. Add a rate_limit block to the unity_mppm_create_scenario 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_create_scenario completely? +

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

unity_mppm_create_scenario 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.

Enforce policy on every Unity MCP Server tool call.

Deterministic rules across all 324 Unity MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.

Free to start. No card required.

324 Unity MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.

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