unity_scene_save

Save the current scene. A never-saved scene requires

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

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-scene-save.md

WHAT IT DOES

What unity_scene_save does on Unity MCP Server

AI agents use unity_scene_save 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.

RISK

Why unity_scene_save is rated Medium

This tool creates or modifies data reversibly by saving scene state. While not destructive (can be undone via version control or undo), it alters the project's persistent state. The high severity reflects that an AI agent carelessly saving over a scene could lose unsaved work or overwrite important scene configurations, affecting the game development workflow.

From the tool's definition Tool name 'unity_scene_save' and description 'Save the current scene' indicate a write operation that modifies project state by persisting scene data to disk.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_scene_save 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_scene_save, this is the rule to start with:

unity_scene_save Rate-limited

unity_scene_save 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": {
    "unity_scene_save": {
      "limits": [
        {
          "counter": "unity_scene_save_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT 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_scene_save call is checked against it from then on.

FAQ

Questions about unity_scene_save

What does the unity_scene_save tool do? +

Save the current scene. A never-saved scene requires. 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_scene_save? +

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

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

Can I rate-limit unity_scene_save? +

Yes. Add a rate_limit block to the unity_scene_save 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_scene_save completely? +

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

unity_scene_save 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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