ft_combine_shape_keys

Combine multiple shape keys with weights into a new shape key.

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/ft-combine-shape-keys.md

WHAT IT DOES

What ft_combine_shape_keys does on Blender Copilot MCP Server

AI agents use ft_combine_shape_keys 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 ft_combine_shape_keys is rated Medium

This tool creates and modifies shape key data within a Blender project. Shape keys are animatable deformations that can be added, updated, or removed without permanent data loss. The operation is reversible (shape keys can be deleted or modified later), placing it in the Write category rather than Destructive.

From the tool's definition Tool creates/combines shape keys into a new shape key - modifying the Blender scene's shape key data structure reversibly

Attacks that exploit this kind of access

RECOMMENDED RULE

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

ft_combine_shape_keys Rate-limited

ft_combine_shape_keys 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": {
    "ft_combine_shape_keys": {
      "limits": [
        {
          "counter": "ft_combine_shape_keys_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 ft_combine_shape_keys call is checked against it from then on.

FAQ

Questions about ft_combine_shape_keys

What does the ft_combine_shape_keys tool do? +

Combine multiple shape keys with weights into a new shape key. 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 ft_combine_shape_keys? +

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

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

Can I rate-limit ft_combine_shape_keys? +

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

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

ft_combine_shape_keys 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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