vitrine_set_config · Vitrine MCP Server MCP: Risk & Policy

WHAT IT DOES

What vitrine_set_config does on Vitrine MCP Server

AI agents use vitrine_set_config 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_set_config needs a policy

vitrine_set_config applies patches to model configurations, which are reversible changes. It does not delete, destroy, or move money. The 'Only include fields you want to change' phrasing indicates it performs selective updates rather than one-off executions of arbitrary code. This is a classic Write operation — data modification with the ability to undo via subsequent patches.

From the tool's definition Tool description states 'Apply a config patch to a model' — this modifies configuration settings. Sibling tools include 'vitrine_delete_model' (Destructive), 'vitrine_upload_model' (Write), and 'vitrine_create_look' (Write), placing this squarely in…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

vitrine_set_config Rate-limited

vitrine_set_config 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_set_config": {
      "limits": [
        {
          "counter": "vitrine_set_config_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_set_config

What does the vitrine_set_config tool do? +

Apply a config patch to a model. Only include fields you want to change. 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_set_config? +

Register the Vitrine MCP Server MCP server in PolicyLayer and add a rule for vitrine_set_config: 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_set_config? +

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

Can I rate-limit vitrine_set_config? +

Yes. Add a rate_limit block to the vitrine_set_config 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_set_config completely? +

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

vitrine_set_config 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.