anim_create

Create an empty Animation in an AnimationPlayer's library (undoable). Creates the library if it does not exist yet.

SERVERBreakpoint SOURCEbreakpoint-mcp

Medium RISK CLASS

Category Write

Parameters 32 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/breakpoint-mcp/anim-create.md

WHAT IT DOES

What anim_create does on Breakpoint

AI agents use anim_create to create or update resources in Breakpoint, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Breakpoint environment.

Parameter	Type	Required	Description
`name`	string	Yes	Animation name (unique within its library)
`library`	string	—	Animation library name (default "", the player's default library)
`player_path`	string	Yes	AnimationPlayer node path relative to the scene root

Parameters from the server's own tool schema.

RISK

Why anim_create is rated Medium

The tool creates new animation objects within an AnimationPlayer's library, which is a data modification operation. While marked as undoable (reversible), it still constitutes a Write action as it creates persistent animation data.

From the tool's definition Tool description explicitly states 'Create an empty Animation' and mentions '(undoable)', indicating a reversible creation operation that modifies animation library state.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs anim_create safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Breakpoint, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For anim_create, this is the rule to start with:

anim_create Rate-limited

anim_create 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": {
    "anim_create": {
      "limits": [
        {
          "counter": "anim_create_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 Breakpoint, apply this rule, and every anim_create call is checked against it from then on.

FAQ

Questions about anim_create

What does the anim_create tool do? +

Create an empty Animation in an AnimationPlayer's library (undoable). Creates the library if it does not exist yet. It is categorised as a Write tool in the Breakpoint MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does anim_create accept? +

anim_create accepts 3 parameters: name, library, player_path. Required: name, player_path. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on anim_create? +

Register the Breakpoint MCP server in PolicyLayer and add a rule for anim_create: 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 Breakpoint. Nothing to install.

What risk level is anim_create? +

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

Can I rate-limit anim_create? +

Yes. Add a rate_limit block to the anim_create 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 anim_create completely? +

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

anim_create is provided by the Breakpoint MCP server (breakpoint-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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