join_objects

Join multiple objects into one. All objects are merged into the first one in the list.

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/join-objects.md

WHAT IT DOES

What join_objects does on Blender Copilot MCP Server

AI agents use join_objects 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 join_objects is rated Medium

Joining objects modifies the scene by merging multiple objects into one. While the source objects are consumed, this is a reversible operation in Blender (via undo), making it a Write rather than Destructive action. Misuse could unintentionally merge objects and disrupt scene structure.

From the tool's definition Join multiple objects into one. All objects are merged into the first one in the list.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

join_objects Rate-limited

join_objects 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": {
    "join_objects": {
      "limits": [
        {
          "counter": "join_objects_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 join_objects call is checked against it from then on.

FAQ

Questions about join_objects

What does the join_objects tool do? +

Join multiple objects into one. All objects are merged into the first one in the list. 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 join_objects? +

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

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

Can I rate-limit join_objects? +

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

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

join_objects 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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