create_variant · Kockatoos Shopify MCP Server MCP

WHAT IT DOES

What create_variant does on Kockatoos Shopify MCP Server

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

WHY IT NEEDS A POLICY

Why create_variant needs a policy

This tool creates new product variants, which are reversible modifications to product data (variants can be deleted or modified). It does not execute arbitrary code, delete data irreversibly, or transfer funds. However, it is classified as 'high' severity rather than 'medium' because product variants directly affect inventory, pricing, and storefront presentation in a live e-commerce system.

From the tool's definition Tool description states 'Create a new variant for a product' - the action of creating a new product variant is a write operation that modifies product catalog data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_variant Rate-limited

create_variant 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": {
    "create_variant": {
      "limits": [
        {
          "counter": "create_variant_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 Kockatoos Shopify MCP Server, so you can run agents against it safely.

FAQ

Questions about create_variant

What does the create_variant tool do? +

Create a new variant for a product. Must specify at least one option value. It is categorised as a Write tool in the Kockatoos Shopify 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 create_variant? +

Register the Kockatoos Shopify MCP Server MCP server in PolicyLayer and add a rule for create_variant: 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 Kockatoos Shopify MCP Server. Nothing to install.

What risk level is create_variant? +

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

Can I rate-limit create_variant? +

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

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

create_variant is provided by the Kockatoos Shopify MCP Server MCP server (untitled-developers/shopify-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.