unity_terrain_paint_detail
Paint terrain detail/grass at a normalized position with a brush.
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What unity_terrain_paint_detail does on Unity MCP Server
AI agents use unity_terrain_paint_detail 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.
Why unity_terrain_paint_detail is rated Medium
This tool creates or modifies terrain visual data (painting grass/details) reversibly within a Unity scene. It is Write-category because terrain painting can be undone through normal Unity editor operations (undo/redo).
From the tool's definition Tool name 'unity_terrain_paint_detail' and description 'Paint terrain detail/grass at a normalized position with a brush' indicate the tool modifies terrain data by painting/adding details.
Attacks that exploit this kind of access
The rule that runs unity_terrain_paint_detail 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_paint_detail, this is the rule to start with:
unity_terrain_paint_detail 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.
The button opens the PolicyLayer dashboard: create your workspace, connect Unity MCP Server, apply this rule, and every unity_terrain_paint_detail call is checked against it from then on.
Questions about unity_terrain_paint_detail
Paint terrain detail/grass at a normalized position with a brush. 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.
Register the Unity MCP Server MCP server in PolicyLayer and add a rule for unity_terrain_paint_detail: 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.
unity_terrain_paint_detail is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the unity_terrain_paint_detail 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.
Set action: deny in the PolicyLayer policy for unity_terrain_paint_detail. 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.
unity_terrain_paint_detail 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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