set_parent

Set parent-child relationship. If keep_transform=True, child maintains its world position.

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/set-parent.md

WHAT IT DOES

What set_parent does on Blender Copilot MCP Server

AI agents use set_parent 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 set_parent is rated Medium

This tool creates or modifies data (the parent-child relationship in the scene hierarchy) without deleting anything. It is reversible—a parent can be unset or changed. While it affects scene structure and could impact rendering or animation pipelines, it does not execute arbitrary code, delete data, or move money.

From the tool's definition set_parent modifies the hierarchical relationship between objects in Blender, changing an object's parent (a structural modification).

Attacks that exploit this kind of access

RECOMMENDED RULE

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

set_parent Rate-limited

set_parent 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": {
    "set_parent": {
      "limits": [
        {
          "counter": "set_parent_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 set_parent call is checked against it from then on.

FAQ

Questions about set_parent

What does the set_parent tool do? +

Set parent-child relationship. If keep_transform=True, child maintains its world position. 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 set_parent? +

Register the Blender Copilot MCP Server MCP server in PolicyLayer and add a rule for set_parent: 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 set_parent? +

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

Can I rate-limit set_parent? +

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

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

set_parent 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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