set_product_metafield · Kockatoos Shopify MCP Server MCP

WHAT IT DOES

What set_product_metafield does on Kockatoos Shopify MCP Server

AI agents use set_product_metafield 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 set_product_metafield needs a policy

The tool creates or updates product metadata, which is a reversible modification. This is categorized as Write rather than Execute because it modifies data structures rather than triggering imperative actions. Severity is high because an AI agent could maliciously alter product metafields affecting pricing logic, custom fields, or product behavior at scale across many products on a live store.

From the tool's definition Tool description states 'Create or update a metafield on a product' - this is a write operation that modifies product data. The Shopify Admin API context confirms this affects live product data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_product_metafield Rate-limited

set_product_metafield 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": {
    "set_product_metafield": {
      "limits": [
        {
          "counter": "set_product_metafield_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 set_product_metafield

What does the set_product_metafield tool do? +

Create or update a metafield on a product using the GraphQL. 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 set_product_metafield? +

Register the Kockatoos Shopify MCP Server MCP server in PolicyLayer and add a rule for set_product_metafield: 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 set_product_metafield? +

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

Can I rate-limit set_product_metafield? +

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

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

set_product_metafield 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.