vitrine_apply_look · Vitrine MCP Server MCP: Risk & Policy

WHAT IT DOES

What vitrine_apply_look does on Vitrine MCP Server

AI agents use vitrine_apply_look to create or update resources in Vitrine MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Vitrine MCP Server environment.

WHY IT NEEDS A POLICY

Why vitrine_apply_look needs a policy

This tool creates or updates model state by applying a preset configuration, which is characteristic of Write category operations. Severity is medium because the modification is reversible (another look can be applied) and affects only visual presentation rather than infrastructure or data deletion.

From the tool's definition The tool description states it 'Apply[s] a Look preset to a model by setting its look_id,' which modifies the visual configuration (look_id) of an existing model. This is a data modification operation that changes model state.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vitrine_apply_look Rate-limited

vitrine_apply_look 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": {
    "vitrine_apply_look": {
      "limits": [
        {
          "counter": "vitrine_apply_look_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Vitrine MCP Server, so you can run agents against it safely.

FAQ

Questions about vitrine_apply_look

What does the vitrine_apply_look tool do? +

Apply a Look preset to a model by setting its look_id. It is categorised as a Write tool in the Vitrine 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 vitrine_apply_look? +

Register the Vitrine MCP Server MCP server in PolicyLayer and add a rule for vitrine_apply_look: 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 Vitrine MCP Server. Nothing to install.

What risk level is vitrine_apply_look? +

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

Can I rate-limit vitrine_apply_look? +

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

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

vitrine_apply_look is provided by the Vitrine MCP Server MCP server (vitrine3d/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.