unity_animation_add_state

Add a state to an Animator Controller layer. Can optionally assign an animation clip and set as default state.

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-animation-add-state.md

WHAT IT DOES

What unity_animation_add_state does on Unity MCP Server

AI agents use unity_animation_add_state 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_animation_add_state is rated Medium

This tool creates new states within an Animator Controller, which modifies project data but does not execute code, delete data, or produce financial effects. The action is reversible (states can be removed). While it could potentially affect game behavior if misconfigured by an agent, the impact is limited to animation controller structure.

From the tool's definition The tool 'unity_animation_add_state' performs a create/modify operation: 'Add a state to an Animator Controller layer' with optional assignment of animation clips and default state configuration. These are reversible modifications to Unity project assets.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_animation_add_state 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_add_state, this is the rule to start with:

unity_animation_add_state Rate-limited

unity_animation_add_state 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_animation_add_state": {
      "limits": [
        {
          "counter": "unity_animation_add_state_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_animation_add_state call is checked against it from then on.

FAQ

Questions about unity_animation_add_state

What does the unity_animation_add_state tool do? +

Add a state to an Animator Controller layer. Can optionally assign an animation clip and set as default state. 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_animation_add_state? +

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

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

Can I rate-limit unity_animation_add_state? +

Yes. Add a rate_limit block to the unity_animation_add_state 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_add_state completely? +

Set action: deny in the PolicyLayer policy for unity_animation_add_state. 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_add_state? +

unity_animation_add_state 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.

KEEP EXPLORING

More on Unity MCP Server, and thousands of servers like it.

This server

All 338 Unity MCP Server tools →

Across the catalogue

add-tag on Kanban MCP Server →kb_add on Persistent Kb → The MCP Attack Database →

Guides

Govern customer-ops agents →Argument validation →Scoped token →