unity_terrain_place_trees

Place trees on the terrain. Supports random scatter over an area or manual positions. Scatter mode supports steepness and altitude filtering.

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-terrain-place-trees.md

WHAT IT DOES

What unity_terrain_place_trees does on Unity MCP Server

AI agents use unity_terrain_place_trees 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_terrain_place_trees is rated Medium

The tool modifies scene data by adding terrain objects (trees), making it a Write operation. It's not Destructive because placements can be undone/removed. It's not Execute because it doesn't run arbitrary code or shell commands—it performs a scoped terrain modification. Severity is medium because misuse could clutter the scene or consume resources, but the impact is confined to the current project and reversible.

From the tool's definition Tool performs 'place trees on the terrain' which creates new objects in the Unity scene. This is a reversible modification operation that alters the terrain state but does not execute arbitrary code, delete data, or cause financial impact.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_terrain_place_trees 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_terrain_place_trees, this is the rule to start with:

unity_terrain_place_trees Rate-limited

unity_terrain_place_trees 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_terrain_place_trees": {
      "limits": [
        {
          "counter": "unity_terrain_place_trees_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_terrain_place_trees call is checked against it from then on.

FAQ

Questions about unity_terrain_place_trees

What does the unity_terrain_place_trees tool do? +

Place trees on the terrain. Supports random scatter over an area or manual positions. Scatter mode supports steepness and altitude filtering. 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_terrain_place_trees? +

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

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

Can I rate-limit unity_terrain_place_trees? +

Yes. Add a rate_limit block to the unity_terrain_place_trees 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_terrain_place_trees completely? +

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

unity_terrain_place_trees 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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