Purpose
Finds products that are almost always purchased alone (single-item orders) and identifies potential cross-sell partners based on category affinity, price complementarity, and customer overlap. While frequently-bought-together finds existing patterns, this skill finds MISSING patterns — products that SHOULD be cross-sold but aren't. Read-only — no mutations.
Prerequisites
- Authenticated Shopify CLI session:
shopify store auth --store <domain> --scopes read_orders,read_products - API scopes:
read_orders,read_products
Parameters
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| store | string | yes | — | Store domain |
| days_back | integer | no | 180 | Order lookback window |
| solo_threshold | float | no | 70 | % of orders where product is bought alone to flag as "solo" |
| min_orders | integer | no | 10 | Minimum orders for a product to be analyzed |
| format | string | no | human | Output format: human or json |
Safety
ℹ️ Read-only skill — no mutations are executed. Safe to run at any time.
Workflow Steps
-
OPERATION:
orders— query Inputs:query: "created_at:>='<NOW - days_back days>'",first: 250, selectlineItems { product { id, title, productType, vendor }, quantity, originalTotalSet }, pagination cursor Expected output: All orders with product data -
For each product, calculate:
- Total orders containing this product
- Solo orders (product is the only item) vs. multi-item orders
- Solo rate = solo_orders / total_orders × 100
- Average order value when solo vs. when multi-item
-
Flag products with solo rate ≥ solo_threshold as "cross-sell candidates"
-
OPERATION:
products— query (enrichment) Inputs: Product IDs for solo items and potential partners Expected output: Product type, vendor, price, collections for affinity matching -
For each solo product, suggest cross-sell partners:
- Same vendor, different product type (complementary)
- Same product type, different price tier (good-better-best)
- Products bought by the same customer cohort in separate orders
- Price complementarity: partner price should be 20-50% of main product price (impulse add-on range)
GraphQL Operations
graphql# orders:query — validated against api_version 2025-01 query OrdersForCrossSell($query: String!, $after: String) { orders(first: 250, after: $after, query: $query) { edges { node { id customer { id } lineItems(first: 50) { edges { node { product { id title productType vendor } quantity originalTotalSet { shopMoney { amount currencyCode } } } } } } } pageInfo { hasNextPage endCursor } } }
graphql# products:query — validated against api_version 2025-01 query ProductEnrichment($ids: [ID!]!) { nodes(ids: $ids) { ... on Product { id title productType vendor priceRangeV2 { minVariantPrice { amount currencyCode } } totalInventory status } } }
Session Tracking
Claude MUST emit the following output at each stage. This is mandatory.
On start, emit:
╔══════════════════════════════════════════════╗ ║ SKILL: Cross-Sell Opportunity Finder ║ ║ Store: <store domain> ║ ║ Started: <YYYY-MM-DD HH:MM UTC> ║ ╚══════════════════════════════════════════════╝
After each step, emit:
[N/TOTAL] <QUERY|MUTATION> <OperationName> → Params: <brief summary of key inputs> → Result: <count or outcome>
On completion, emit:
For format: human (default):
══════════════════════════════════════════════ CROSS-SELL OPPORTUNITY REPORT (<days_back> days) Products analyzed: <n> High solo-rate products: <n> ───────────────────────────── TOP CROSS-SELL OPPORTUNITIES: "<product A>" (solo rate: <pct>%, <n> orders) → Suggested partner: "<product B>" (same vendor, complementary type) → Price fit: $<main> + $<partner> = $<combined> → Potential AOV lift: +$<amount> per order Revenue opportunity: $<total> (if <pct>% of solo orders add partner) Output: cross_sell_opportunities_<date>.csv ══════════════════════════════════════════════
Output Format
CSV file cross_sell_opportunities_<YYYY-MM-DD>.csv with columns:
product_id, product_title, total_orders, solo_orders, solo_rate, suggested_partner_id, suggested_partner_title, affinity_type, potential_aov_lift
Error Handling
| Error | Cause | Recovery |
|---|---|---|
THROTTLED | API rate limit exceeded | Wait 2 seconds, retry up to 3 times |
| All multi-item orders | Store naturally has high cross-sell | Report as healthy — no action needed |
| Small catalog | Too few products for meaningful pairs | Suggest expanding catalog |
Best Practices
- Products with 80%+ solo rate and high order volume are biggest AOV opportunities.
- Implement suggested pairs as "Customers also bought" or cart drawer recommendations.
- Cross-reference with
frequently-bought-togetherto see what IS working vs. what's missing. - Use with
discount-ab-analysisto test a "buy X, get Y at 15% off" promotion.


