unity_terrain_get_tree_instances

What unity_terrain_get_tree_instances does on Unity MCP Server

AI agents call unity_terrain_get_tree_instances 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.

Why unity_terrain_get_tree_instances is rated Low

This tool retrieves terrain tree instance data (positions, prototype indices, scales, count) without creating, modifying, deleting, or executing operations. It is a pure data query operation with no side effects, fitting the Read category. The low severity reflects minimal risk—an AI agent misusing this tool could only retrieve unwanted scene information, not damage assets or execute harmful commands.

From the tool's definition Tool name 'unity_terrain_get_tree_instances' and description 'Get all tree instances on the terrain. Returns positions, prototype indices, scales, and count.' indicate retrieval of terrain data with no modification or destructive capability.

The rule that runs unity_terrain_get_tree_instances 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_tree_instances, this is the rule to start with:

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

Questions about unity_terrain_get_tree_instances