curve_create_path

Create a NURBS path (useful for follow-path animations and hair guides).

SERVERBlender Copilot MCP Server SOURCEdwgx/blender-copilot

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/dwgx-blender-copilot/curve-create-path.md

WHAT IT DOES

What curve_create_path does on Blender Copilot MCP Server

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

RISK

Why curve_create_path is rated Medium

This tool adds new geometric data to a Blender scene, which is a write operation that modifies scene state. While reversible (can be undone in Blender), it creates persistent objects. The blast radius is medium because misuse could clutter scenes or interfere with animation pipelines, but it doesn't delete data, execute arbitrary code, or cause financial harm.

From the tool's definition Tool creates a NURBS path object in Blender. The description uses 'Create' and specifies functional uses (follow-path animations, hair guides), indicating irreversible object creation/addition to the scene.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs curve_create_path safely

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

curve_create_path Rate-limited

curve_create_path 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": {
    "curve_create_path": {
      "limits": [
        {
          "counter": "curve_create_path_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 Blender Copilot MCP Server, apply this rule, and every curve_create_path call is checked against it from then on.

FAQ

Questions about curve_create_path

What does the curve_create_path tool do? +

Create a NURBS path (useful for follow-path animations and hair guides). It is categorised as a Write tool in the Blender Copilot 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 curve_create_path? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for curve_create_path: 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 Blender Copilot MCP Server. Nothing to install.

What risk level is curve_create_path? +

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

Can I rate-limit curve_create_path? +

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

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

curve_create_path is provided by the Blender Copilot MCP Server MCP server (dwgx/blender-copilot). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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