find_packaging_for_item
Hero. Item L/W/D + weight + use case -> ranked packaging SKUs that fit. Use for smallest-fit, box-vs-mailer, and Uline-by-size style questions.
search_products
Keyword fallback when dimensions are unknown, such as kraft tape, bubble mailer, starter kit, or weather-resistant labels. Cached 5 min in KV.
get_product
Full product detail including variants, dimensions/metafields, weight, stock, and product URL.
get_pricing
Live unit price and line total before purchase handoff. variant_ids must be numeric Shopify variant IDs encoded as strings. Never cached.
check_inventory
Live inventory check before recommending or building a cart. variant_ids must be numeric Shopify variant IDs encoded as strings. Never cached.
get_shipping_estimate
Carrier rates for a chosen cart via Shopify draftOrderCalculate.
get_cart_handoff_candidates
Priority AI-approved SKUs with ready create_cart_url arguments, measured SKU/product/reorder/quote/cart links, and required live-confirmation sequence.
create_cart_url
Final cart handoff. Builds a GA4-visible Packrift cart landing URL plus the final packrift.com/cart/... permalink with ref=mcp and AI-commerce attribution fields.
prepare_purchase_handoff
Fast exact-SKU path. Confirms the AI_APPROVE product, live price, and inventory, then returns a measured MCP cart URL only when buyer_confirmed=true.
compare_alternatives
Ranks AI-approved Packrift alternatives for open-ended buyer requests, including competitor-style packaging specs.
pack_calculator
Calculates protected inside dimensions and returns fitted box or mailer candidates with void-fill guidance.
inventory_status
Live total and location-level Shopify inventory status for exact SKUs, handles, or variant IDs.
get_reorder_link
Reorder URL, product URL, and copy-procurement-spec text for an AI-approved SKU or handle.
get_bulk_quote_link
Tracked bulk quote URL for no-exact-match, large-volume, or procurement-review workflows.
explain_no_exact_match
Explains why a nearby product should not be presented as exact, then routes to safe next actions and quote recovery.