add_constraint

Add a constraint to an object. Common types: TRACK_TO (aim at target),

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/add-constraint.md

WHAT IT DOES

What add_constraint does on Blender Copilot MCP Server

AI agents use add_constraint 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 add_constraint is rated Medium

Adding a constraint modifies an object's properties in Blender by attaching behavioral rules (e.g., TRACK_TO). This is a reversible write operation — constraints can be removed. No code execution, deletion, or financial impact involved.

From the tool's definition 'Add a constraint to an object' — creates/modifies object properties by attaching a new constraint

Attacks that exploit this kind of access

RECOMMENDED RULE

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

add_constraint Rate-limited

add_constraint 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": {
    "add_constraint": {
      "limits": [
        {
          "counter": "add_constraint_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 add_constraint call is checked against it from then on.

FAQ

Questions about add_constraint

What does the add_constraint tool do? +

Add a constraint to an object. Common types: TRACK_TO (aim at target),. 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 add_constraint? +

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

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

Can I rate-limit add_constraint? +

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

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

add_constraint 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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