Storecasper.com
ModelGemini 3.6 Flash
OutcomeCart Created
DateSep 20, 2026, 11:03 PM
Tokens41,970 (40,160p / 1,810c)
Duration12.3s
Turns3
StepsSearch ProductsView DetailsAdd to CartCheckout URL
Connected withSnapshot at session start
Negotiationv2026-08-25 · 7/8 active · shopping
- DiscoverRead /.well-known/ucp (declares 2026-08-25)
- Select versionMerchant and platform both run 2026-08-25
- Intersect8 declared · 7 shared spec · 1 vendor · 0 excluded
- Resolve extensionsActive extension blocks: shopping.fulfillment, shopping.discount
- ActivateAgent runs the shopping prompt with 9 negotiated capabilities
7 shared · 1 vendor · 0 excludedprompt:
shoppingdev.ucp.shopping.cartactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.catalog.lookupactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.catalog.searchactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.checkoutactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.discountactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.fulfillmentactive2026-08-25Shared spec capability at a version both sides run.dev.ucp.shopping.orderactive2026-08-25Shared spec capability at a version both sides run.dev.shopify.catalogvendor2026-08-25Vendor namespace, not protocol-governed; passed through as the merchant declares it.
Services
dev.ucp.shoppingmcp · embeddedProfile-only: this reads what the merchant declares against what this platform (2026-08-25) implements. It does not call any tool.
Buyer contextCountryUSCurrencyUSDLanguageen
Conversation
Wire log11 events · 2 calls · 0 errors
THINKINGThinking...+0.00s
REQUESTsearch_catalog+3.18s
{
"catalog": {
"query": "side sleeper pillow",
"context": {
"currency": "USD",
"language": "en",
"address_country": "US"
}
}
}RESPONSEsearch_catalog+3.60s
{
"ucp": {
"version": "2026-08-25",
"status": "success",
"services": {
"dev.ucp.shopping": []
},
"capabilities": {
"dev.ucp.shopping.catalog.search": [
{
"version": "2026-08-25",
"spec": "https://ucp.dev/2026-08-25/specification/shopping/catalog/",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json"
}
],
"dev.ucp.shopping.catalog.lookup": [
{
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"spec": "https://ucp.dev/2026-08-25/specification/shopping/catalog/",
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}
],
"dev.ucp.shopping.cart": [
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}
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}
],
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{
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"spec": "https://ucp.dev/2026-08-25/specification/shopping/order/",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/order.json"
}
],
"dev.ucp.shopping.fulfillment": [
{
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"spec": "https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json",
"extends": [
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"dev.ucp.shopping.cart"
],
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}
},
"config": {
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"method_combinations": [
[
"shipping"
]
]
}
}
],
"dev.ucp.shopping.discount": [
{
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"api_version_minor": 0,
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"merchant_id": "16708973830884969730",
"merchant_origin": "casper.com",
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},
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{
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"parameters": {
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"CRYPTOGRAM_3DS"
],
"allowed_card_networks": [
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"MASTERCARD",
"AMEX",
"DISCOVER"
],
"billing_address_required": true,
"billing_address_parameters": {
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"phone_number_required": true
}
},
"tokenization_specification": {
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"parameters": {
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"gatewayMerchantId": "60822683729"
}
}
}
]
}
}
],
"dev.shopify.card": [
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"schema": "https://shopify.dev/ucp/card-payment-handler/2026-01-15/config.json",
"config": {
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{
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"enabled_card_brands": [
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"master",
"american_express",
"discover",
"diners_club"
]
}
]
}
}
],
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{
"id": "shop_pay",
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"schema": "https://shopify.dev/ucp/shop-pay-handler/2026-04-08/schema.json",
"config": {
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}
}
]
}
},
"products": [
{
"id": "gid://shopify/Product/7576114233425",
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"description": {
"html": "Designed with neck pain in mind, our best-selling pillow features nearly a billion tiny fibers to keep you dreaming in any position."
},
"url": "https://casper.com/products/pillows",
"handle": "pillows",
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"currency": "USD"
},
"max": {
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"currency": "USD"
}
},
"list_price_range": {
"min": {
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"currency": "USD"
},
"max": {
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"currency": "USD"
}
},
"variants": [
{
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},
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}
],
"options": [
{
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{
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}
],
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{
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],
"categories": [
{
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"taxonomy": "shopify"
}
],
"tags": [
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"non-bundle",
"remote-fee-small",
"YCRF_Pillow",
"YGroup_OGPillow"
]
},
{
"id": "gid://shopify/Product/7550924816465",
"title": "Hybrid Pillow",
"description": {
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},
"url": "https://casper.com/products/hybrid-pillow",
"handle": "hybrid-pillow",
"price_range": {
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"currency": "USD"
},
"max": {
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"currency": "USD"
}
},
"list_price_range": {
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},
"max": {
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"currency": "USD"
}
},
"variants": [
{
"id": "gid://shopify/ProductVariant/41611226808401",
"sku": "HYBPILLOWSTD",
"title": "Standard",
"description": {
"html": "Meet our Hybrid Pillow. It’s part ultra-soft foam, part down alternative fiber, giving you everything you need to sleep deeper. Oh, and it’s pretty huggable too."
},
"price": {
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},
"availability": {
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},
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}
]
},
{
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"description": {
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]
}
],
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{
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],
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{
"type": "image",
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}
],
"categories": [
{
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}
],
"tags": [
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"non-bundle",
"remote-fee-small",
"YCRF_Pillow",
"YGroup_HybridPillow"
]
},
{
"id": "gid://shopify/Product/14992274784622",
"title": "Original Cooling Pillow",
"description": {
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},
"url": "https://casper.com/products/original-cooling-pillow",
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"currency": "USD"
},
"max": {
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}
},
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},
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}
},
"variants": [
{
"id": "gid://shopify/ProductVariant/53654184853870",
"sku": "FIBERCOOLPILSTD",
"title": "Standard",
"description": {
"html": "Our fan-favorite Original Pillow, now with a layer of cooling Phase Change Material to keep you dreaming in any position."
},
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},
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},
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"media": [
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]
},
{
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],
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}
],
"categories": [
{
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"taxonomy": "shopify"
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],
"tags": [
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},
{
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},
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"description": {
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},
"price": {
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... (truncated)STEPStep: search+3.60s
THINKINGThinking...+3.60s
INFO10 products extracted+3.60s
REQUESTcreate_cart+7.59s
{
"cart": {
"context": {
"currency": "USD",
"language": "en",
"address_country": "US"
},
"line_items": [
{
"item": {
"id": "gid://shopify/ProductVariant/41670972538961"
},
"quantity": 1
}
]
}
}RESPONSEcreate_cart+8.29s
{
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"services": {
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},
"capabilities": {
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],
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],
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}
],
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},
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"config": {
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"api_version_minor": 0,
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},
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{
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],
"allowed_card_networks": [
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"AMEX",
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],
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},
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],
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"spec": "https://ucp.dev/specification/payment-handler-guide",
"schema": "https://shopify.dev/ucp/card-payment-handler/2026-01-15/config.json",
"config": {
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{
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"enabled_card_brands": [
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"master",
"american_express",
"discover",
"diners_club"
]
}
]
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}
],
"dev.shopify.shop_pay": [
{
"id": "shop_pay",
"version": "2026-04-08",
"spec": "https://shopify.dev/ucp/shop-pay-handler/2026-04-08/spec.md",
"schema": "https://shopify.dev/ucp/shop-pay-handler/2026-04-08/schema.json",
"config": {
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}
}
]
}
},
"id": "gid://shopify/Cart/hWNH4B1UF5cpg79tGkIPWRNr?key=fd07891c497e48b625dfd346a75a4ce4",
"line_items": [
{
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"item": {
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"title": "Original Pillow - Standard",
"price": 7500,
"image_url": "https://cdn.shopify.com/s/files/1/0608/2268/3729/files/Original-Pillow-Feel-Scale.jpg?v=1754509193"
},
"quantity": 1,
"totals": [
{
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"amount": 7500,
"display_text": "Subtotal"
},
{
"type": "total",
"amount": 7500,
"display_text": "Total"
}
]
}
],
"currency": "USD",
"discounts": {
"codes": [],
"applied": []
},
"totals": [
{
"type": "subtotal",
"amount": 7500,
"display_text": "Subtotal"
},
{
"type": "total",
"amount": 7500,
"display_text": "Total"
}
],
"fulfillment": {
"methods": []
},
"expires_at": "2026-10-20T23:03:14Z",
"links": [
{
"type": "terms_of_service",
"title": "Terms of Service",
"url": "https://checkout.shopify.com/60822683729/policies/53890482542.html?locale=en"
},
{
"type": "privacy_policy",
"title": "Privacy Policy",
"url": "https://checkout.shopify.com/60822683729/policies/53890548078.html?locale=en"
},
{
"type": "refund_policy",
"title": "Refund Policy",
"url": "https://checkout.shopify.com/60822683729/policies/53890711918.html?locale=en"
}
],
"messages": [],
"continue_url": "https://e75063-e5.myshopify.com/cart/c/hWNH4B1UF5cpg79tGkIPWRNr?key=uslLJWkQ9LroThEw1y_AdnVCuGbGIsx1HLNpHhIFDcTfK2n3nQLPyAuKkB4H2IYFRQ1SUbYPCvVIW9zUc3m5FYnguosCUYS-ebDY64GUW9uqJa3LNc7reub6NgQLz5F5umjVQD3HPaMYJllGaske2A%3D%3D"
}STEPStep: cart+8.29s
INFOCart created+8.29s
THINKINGThinking...+8.29s
Find a pillow for a side sleeper. Pick the best match yourself without asking me, add one to the cart, then read back the item name and the cart total. Do not check out.
search_catalog419ms
Original PillowUSD 75.00
Hybrid PillowUSD 129.00
Original Cooling PillowUSD 99.00
Original Pillow Double PackUSD 150.00
Original Cooling Pillow Double PackUSD 198.00
Foam Pillow with Snow TechnologyUSD 169.00
Foam Pillow with Snow Technology Double PackUSD 338.00
Hybrid Snow PillowUSD 179.00
Hybrid Pillow Double PackUSD 258.00
Down PillowUSD 159.00
Reasoning
**Finding Casper Pillow**
I'm currently focused on identifying the optimal Casper pillow for side sleepers. My process involves evaluating the available options on their website to select the best fit, with the aim of adding it to the cart and then reporting the item and cart total.
**Refining Product Search**
I'm examining the `search_catalog` tool's capabilities. While I need to find an in-stock item, the current schema for filters only lists `categories` and `price`, not an explicit availability filter. I'm investigating if there are implicit ways to ensure stock or if another tool might be more suitable for this constraint.
create_cart692ms
Reasoning
**Exploring Pillow Options**
I'm currently reviewing the search results, focusing on the 'Original Pillow'. This particular product boasts a unique fiber construction, designed to aid with neck pain and accommodate all sleeping positions. I'm noting its price points for Standard and King sizes.
Reasoning
**Analyzing Cart Data**
I'm processing the cart tool's output. It confirms a single item, "Original Pillow - Standard," with a price of 7500 minor units. The total also reflects this amount.
I've added the Original Pillow - Standard to your cart.
* Item: Original Pillow - Standard
* Cart Total: $75.00 USD
You can view your cart or complete your purchase whenever you're ready using this link: View Cart.
* Item: Original Pillow - Standard
* Cart Total: $75.00 USD
You can view your cart or complete your purchase whenever you're ready using this link: View Cart.