light_modify

Modify an existing light's properties.

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/light-modify.md

WHAT IT DOES

What light_modify does on Blender Copilot MCP Server

AI agents use light_modify 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 light_modify is rated Medium

This tool creates or modifies data (light properties) in a reversible manner—changes can be undone in Blender's undo system and are not destructive. It does not delete data, execute arbitrary code, trigger financial operations, or run external commands. The medium severity reflects that misuse could corrupt a 3D scene's visual setup, but the impact is limited to a single scene file and easily reversible.

From the tool's definition Tool name 'light_modify' and description 'Modify an existing light's properties' indicate reversible alteration of light object attributes in Blender scenes.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

light_modify Rate-limited

light_modify 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": {
    "light_modify": {
      "limits": [
        {
          "counter": "light_modify_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 light_modify call is checked against it from then on.

FAQ

Questions about light_modify

What does the light_modify tool do? +

Modify an existing light's properties. 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 light_modify? +

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

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

Can I rate-limit light_modify? +

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

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

light_modify 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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