flip_normals

Flip all face normals of a mesh. Useful when faces appear inside-out.

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/flip-normals.md

WHAT IT DOES

What flip_normals does on Blender Copilot MCP Server

AI agents use flip_normals 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 flip_normals is rated Medium

Flipping normals modifies mesh attributes reversibly—the operation can be undone or flipped again to restore original state. This is a data modification (Write) rather than Destructive. Severity is medium because incorrect normal flipping on a complex scene could require manual correction, affecting the 3D workflow, but the effect is confined to geometric properties and fully reversible within Blender's undo system.

From the tool's definition Tool performs 'flip all face normals of a mesh', modifying mesh geometry properties. The description indicates a reversible operation that changes mesh data (normal direction) without deleting or destroying the mesh.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

flip_normals Rate-limited

flip_normals 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": {
    "flip_normals": {
      "limits": [
        {
          "counter": "flip_normals_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 flip_normals call is checked against it from then on.

FAQ

Questions about flip_normals

What does the flip_normals tool do? +

Flip all face normals of a mesh. Useful when faces appear inside-out. 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 flip_normals? +

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

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

Can I rate-limit flip_normals? +

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

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

flip_normals 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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