unity_animation_remove_layer

Remove a layer from an Animator Controller by index. Cannot remove the base layer (index 0).

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

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/anklebreaker-studio-unity-mcp-server/unity-animation-remove-layer.md

WHAT IT DOES

What unity_animation_remove_layer does on Unity MCP Server

AI agents call unity_animation_remove_layer to permanently remove resources in Unity MCP Server, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why unity_animation_remove_layer is rated Critical

This tool irreversibly removes a layer from an Animator Controller. Deleting animation layers can destroy animation logic, state machines, and transitions that may be difficult or impossible to recover without version control. It is explicitly restricted from removing the base layer but can still cause significant irreversible damage to animation assets.

From the tool's definition Remove a layer from an Animator Controller by index

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_animation_remove_layer 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_animation_remove_layer, this is the rule to start with:

unity_animation_remove_layer Hidden

unity_animation_remove_layer is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "unity_animation_remove_layer"
  ]
}

RESTRICT 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_animation_remove_layer call is checked against it from then on.

FAQ

Questions about unity_animation_remove_layer

What does the unity_animation_remove_layer tool do? +

Remove a layer from an Animator Controller by index. Cannot remove the base layer (index 0). It is categorised as a Destructive tool in the Unity MCP Server MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on unity_animation_remove_layer? +

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

unity_animation_remove_layer is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit unity_animation_remove_layer? +

Yes. Add a rate_limit block to the unity_animation_remove_layer 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_animation_remove_layer completely? +

Set action: deny in the PolicyLayer policy for unity_animation_remove_layer. 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_animation_remove_layer? +

unity_animation_remove_layer 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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