create_custom_pixel

What create_custom_pixel does on Shopify Graphql

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

Why create_custom_pixel is rated Medium

Custom pixels in Shopify are tracking/analytics configurations that can be created and modified. The 'create' action creates new data (a custom pixel) without destructive side effects, fitting the Write category. Severity is medium because misconfiguration could cause incorrect tracking or data collection, but it is not irreversible (pixels can be deleted) and does not directly move money or execute arbitrary code.

From the tool's definition Tool name 'create_custom_pixel' and description 'Create a new custom pixel' indicate data creation with the 'create' verb. This is a reversible write operation on Shopify store configuration.

The rule that runs create_custom_pixel safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Shopify Graphql, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For create_custom_pixel, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "create_custom_pixel": {
      "limits": [
        {
          "counter": "create_custom_pixel_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

Questions about create_custom_pixel