blender_uv

THE RISK

Low Risk

Why blender_uv needs a policy

The description is empty, providing no actionable information. The name 'blender_uv' suggests UV mapping/unwrapping operations in Blender (a 3D modeling task), which would typically be Write-level (modifying UV coordinates on 3D objects). However, without a description, confidence is very low.

From the tool's definition Tool name is 'blender_uv' with empty description. No information about what the tool does beyond the implied UV mapping context in Blender.

Documented attack patterns abuse exactly the kind of access blender_uv gives an agent:

POLICY

How to control blender_uv

PolicyLayer is an MCP gateway — it sits between your AI agents and Blender, and nothing reaches the server without passing your rules. This is the rule we recommend for blender_uv:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "blender_uv": {
      "limits": [
        {
          "counter": "blender_uv_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

blender_uv gets a rate cap, and everything else on the server is denied unless you say otherwise.

Create a free account and register Blender — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

SET A RULE FOR THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 77 Blender tools →

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Tool risk categories → How PolicyLayer classifies MCP tools by what they can do.
MCP tool → What an MCP tool is and how clients discover and call it.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about blender_uv

What does the blender_uv tool do? +

blender_uv. It is categorised as a Other tool in the Blender MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on blender_uv? +

Register the Blender MCP server in PolicyLayer and add a rule for blender_uv: 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. Nothing to install.

What risk level is blender_uv? +

blender_uv is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit blender_uv? +

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

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

blender_uv is provided by the Blender MCP server (sandraschi/blender-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Blender tool call.

Start from Blender, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →