Shopify Liquid MCP Server

# line_item ## Overview A line_item represents a product variant within a cart, checkout, or order. Each line contains pricing, quantity, and product variant details. ## Properties | Property | Type | Description | |----------|------|-------------| | `discount_allocations` | array of discount_allocation | "The discount allocations that apply to the line item" | | `error_message` | string | Status message about the line item (cart only, Checkout Extensibility) | | `final_line_price` | number | Combined price of all items including discounts, in currency subunits | | `final_price` | number | Individual line item price including discounts, in currency subunits | | `fulfillment` | fulfillment | The fulfillment details for the line item | | `fulfillment_service` | string | Service handling fulfillment; defaults to 'manual' if none exists | | `gift_card` | boolean | Whether the product is a gift card | | `grams` | number | Weight in store's default unit | | `id` | number | Line item identifier (context-dependent; varies by cart/checkout/order) | | `image` | image | Variant or product featured image | | `instructions` | instructions | "Instructions define behaviours and operations that can be performed on the nested cart line" (cart only) | | `item_components` | array of line_item | Components of the line item (cart only) | | `key` | string | Unique identifier from variant ID and characteristic hash | | `line_level_discount_allocations` | array of discount_allocation | Direct discounts on the line item | | `line_level_total_discount` | number | Total discount amount in currency subunits | | `message` | string | Information about discounts affecting the line | | `options_with_values` | array | "The name and value pairs for each option of the variant" | | `original_line_price` | number | Combined pre-discount price | | `original_price` | number | Individual pre-discount price | | `parent_relationship` | parent_relationship | Parent relationship for nested items (cart only) | | `product` | product | Associated product object | | `product_id` | number | Product identifier | | `properties` | object | Custom line item information (name/value pairs) | | `quantity` | number | Item quantity | | `requires_shipping` | boolean | Whether shipping is required | | `selling_plan_allocation` | selling_plan_allocation | Subscription or plan details if applicable | | `sku` | string | Variant stock keeping unit | | `successfully_fulfilled_quantity` | number | Items successfully fulfilled | | `tax_lines` | array of tax_line | Tax details for the line | | `taxable` | boolean | Whether taxes apply | | `title` | string | "A combination of product.title and variant.title, separated by a hyphen" | | `unit_price` | number | Price per measurement unit in currency subunits | | `unit_price_measurement` | unit_price_measurement | Measurement details for unit pricing | | `url` | string | Relative variant URL | | `url_to_remove` | string | URL to remove item from cart | | `variant` | variant | Associated variant object | | `variant_id` | number | Variant identifier | | `vendor` | string | Variant vendor | ## Deprecated Properties - `discounts` → Use `discount_allocations` - `line_price` → Use `final_line_price` - `price` → Use `final_price` - `total_discount` → Use `line_level_total_discount`