unity_animation_add_keyframe

Add a keyframe to an animation curve with full tangent and weight control. Creates the curve if it doesn

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-keyframe.md

WHAT IT DOES

What unity_animation_add_keyframe does on Unity MCP Server

AI agents use unity_animation_add_keyframe 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_keyframe is rated Medium

This tool modifies animation curves by inserting keyframes, which is a reversible write operation on project assets. While it changes state within the Unity project, the modification can be undone (standard animation/undo operations in editors). It does not execute arbitrary code, delete data irreversibly, or trigger external operations.

From the tool's definition Tool description states 'Add a keyframe to an animation curve' — the verb 'Add' and the creation action 'Creates the curve if it doesn[t exist]' indicate modification of animation data within a project.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs unity_animation_add_keyframe 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_keyframe, this is the rule to start with:

unity_animation_add_keyframe Rate-limited

unity_animation_add_keyframe 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_keyframe": {
      "limits": [
        {
          "counter": "unity_animation_add_keyframe_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_keyframe call is checked against it from then on.

FAQ

Questions about unity_animation_add_keyframe

What does the unity_animation_add_keyframe tool do? +

Add a keyframe to an animation curve with full tangent and weight control. Creates the curve if it doesn. 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_keyframe? +

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

unity_animation_add_keyframe 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_keyframe? +

Yes. Add a rate_limit block to the unity_animation_add_keyframe 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_keyframe completely? +

Set action: deny in the PolicyLayer policy for unity_animation_add_keyframe. 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_keyframe? +

unity_animation_add_keyframe 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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