unity_terrain_get_heights_region

Get heights for a rectangular region of the heightmap. Returns normalized 0-1 values.

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-terrain-get-heights-region.md

WHAT IT DOES

What unity_terrain_get_heights_region does on Unity MCP Server

AI agents call unity_terrain_get_heights_region 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_terrain_get_heights_region is rated Low

This tool performs a read-only query of terrain heightmap data within a specified region. It retrieves existing data without creating, modifying, deleting, or executing external operations. The operation is non-destructive and has no side effects beyond returning information to the caller.

From the tool's definition Tool name contains 'get' and description states it 'Returns normalized 0-1 values' for a heightmap region, indicating data retrieval with no modification or side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_terrain_get_heights_region 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_get_heights_region, this is the rule to start with:

unity_terrain_get_heights_region Allowed

unity_terrain_get_heights_region 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_terrain_get_heights_region": {}
  }
}

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_terrain_get_heights_region call is checked against it from then on.

FAQ

Questions about unity_terrain_get_heights_region

What does the unity_terrain_get_heights_region tool do? +

Get heights for a rectangular region of the heightmap. Returns normalized 0-1 values. 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_terrain_get_heights_region? +

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

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

Can I rate-limit unity_terrain_get_heights_region? +

Yes. Add a rate_limit block to the unity_terrain_get_heights_region 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_get_heights_region completely? +

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

unity_terrain_get_heights_region 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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