uppacase.com
Live Universal Commerce Protocol & Agentic Commerce status, profile, and capability breakdown.
What is UCP? The Universal Commerce Protocol is the open standard AI shopping agents use to discover, browse, and check out at online stores. Read the spec overview →
uppacase.com publishes a conforming profile with broad capability coverage.
/llms.txt content
The plain-text brief this store publishes to AI agents. Captured on the most recent check.
# llms.txt
# Public brief for AI agents about UPPACASE
# About
UPPACASE online store.
# Product Categories
- MUMBLE 原創
- 日系女裝
- 本週新品
- 本週新品 > 熱銷排行
- 本週新品 > 現貨新品
- 本週新品 > 預購專區
- 特色襪子
- 生活雜貨
- 生活雜貨 > 毛巾手帕
- 生活雜貨 > 水杯餐具
- 生活雜貨 > 美妝香氛
- 生活雜貨 > 隨身包袋
- 精選文具
- 精選文具 > 各式筆類
- 精選文具 > 筆記信紙
- 精選文具 > 貼紙便條
- 精選文具 > 賀卡卡片
- 角色精品
- 角色精品 > Decole (Concombre)
- 角色精品 > Miffy (Dick Bruna)
# Policies
- Return policy: https://uppacase.com/returnpolicy
- Terms: https://uppacase.com/p/return
- Privacy: https://uppacase.com/p/privacy
# UCP
- Discovery profile: https://uppacase.com/.well-known/ucp
Capabilities Detected
| Cart ✓ Bound | 2026-08-25 |
| Discount Extension ✓ Bound | 2026-08-25 |
| Checkout ✓ Bound | 2026-08-25 |
| Fulfillment Extension ✓ Bound | 2026-08-25 |
| Catalog Lookup ✓ Bound | 2026-08-25 |
| Catalog Search ✓ Bound | 2026-08-25 |
Technical Vitals
| UCP Status | Verified |
| Endpoint | https://uppacase.com/.well-known/ucp |
| HTTP Status | 200 |
| UCP Version | 2026-08-25 |
| Transports | REST, MCP |
| Last Observed | |
| Last Full Index |
What you can do with this report
Open Validator
Inspect the profile line-by-line and see exactly which schema rules pass or fail.
Run validator →Simulate an Agent Shop
Send a real AI shopping agent to uppacase.com and watch it browse, cart, and check out.
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AI Agent Access (robots.txt)
| GPTBotOpenAI / ChatGPT | ✓Allowed |
| Google-ExtendedGemini / Google | ✓Allowed |
| ClaudeBotClaude / Anthropic | ✓Allowed |
| Applebot-ExtendedApple Intelligence | ✓Allowed |
| CCBotCommon Crawl | ✓Allowed |
Against Google's merchant guide
What Google's UCP merchant guide asks a store's profile to have, for checkout in AI Mode and Gemini. Read from the public profile only. Google's own sandbox, in Merchant Center, is invite-only; this is not Google's verdict.
| Speaks the release Google's guide usesUCP 2026-04-08 (under supported_versions; the profile itself is 2026-08-25) | ✓Has it |
| Shopping service over RESTGoogle calls the REST endpoint. | ✓Has it |
| Checkout capabilitydev.ucp.shopping.checkout is declared. | ✓Has it |
| Order capability, for order updatesGoogle expects signed order webhooks after purchase (dev.ucp.shopping.order). | !Missing |
| Signing keys for webhooksOrder webhooks must be signed with a key published in the profile. | !Missing |
| Google Pay payment handlerGoogle completes checkout with a Google Pay token: publish a com.google.pay handler with your merchant name and id. | !Missing |
| Cart, discounts and fulfilmentcart declared, discounts declared, fulfilment declared. Optional in the guide. | –Optional |
Needs a live checkout to show, so not read here: terms of service and privacy links on every checkout; carts that return continue_url and expires_at; a completed order with its label and permalink_url; errors in the 2026-04-08 shape (ucp.status "error", severity, continue_url).
Payment Configuration
Raw UCP Profile JSON
{
"ucp": {
"keys": [],
"status": "success",
"version": "2026-08-25",
"services": {
"dev.ucp.shopping": [
{
"spec": "https://ucp.dev/2026-08-25/specification/overview",
"schema": "https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json",
"version": "2026-08-25",
"endpoint": "https://uppacase.com/apis/ucp",
"transport": "rest"
},
{
"spec": "https://ucp.dev/2026-08-25/specification/overview",
"schema": "https://ucp.dev/2026-08-25/services/shopping/mcp.openrpc.json",
"version": "2026-08-25",
"endpoint": "https://uppacase.com/apis/ucp/mcp",
"transport": "mcp"
}
]
},
"capabilities": {
"dev.ucp.shopping.cart": [
{
"spec": "https://ucp.dev/2026-08-25/specification/cart",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/cart.json",
"version": "2026-08-25"
}
],
"dev.ucp.shopping.checkout": [
{
"spec": "https://ucp.dev/2026-08-25/specification/checkout",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/checkout.json",
"version": "2026-08-25"
}
],
"dev.ucp.shopping.discount": [
{
"spec": "https://ucp.dev/2026-08-25/specification/discount",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/discount.json",
"extends": [
"dev.ucp.shopping.cart",
"dev.ucp.shopping.checkout"
],
"version": "2026-08-25"
}
],
"dev.ucp.shopping.fulfillment": [
{
"spec": "https://ucp.dev/2026-08-25/specification/fulfillment",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json",
"extends": [
"dev.ucp.shopping.checkout"
],
"version": "2026-08-25"
}
],
"dev.ucp.shopping.catalog.lookup": [
{
"spec": "https://ucp.dev/2026-08-25/specification/catalog/lookup/",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json",
"version": "2026-08-25"
}
],
"dev.ucp.shopping.catalog.search": [
{
"spec": "https://ucp.dev/2026-08-25/specification/catalog/search/",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json",
"version": "2026-08-25"
}
]
},
"payment_handlers": {
"dev.boutir.payment.bank_transfer": [
{
"id": "dev.boutir.payment.bank_transfer",
"spec": "https://uppacase.com/.well-known/ucp/payment-handler/spec",
"config": {
"description": "Use payment.instruments with bank_transfer type."
},
"schema": "https://uppacase.com/.well-known/ucp/payment-handler/schema.json",
"version": "2026-08-25",
"available_instruments": [
{
"type": "bank_transfer"
}
]
}
],
"dev.boutir.payment.customized.pm_5165937098358784": [
{
"id": "dev.boutir.payment.customized.pm_5165937098358784",
"spec": "https://uppacase.com/.well-known/ucp/payment-handler/spec",
"config": {
"name": "轉數快",
"description": "Use this handler_id for customized payment.",
"customized_payment_method_id": "5165937098358784"
},
"schema": "https://uppacase.com/.well-known/ucp/payment-handler/schema.json",
"version": "2026-08-25",
"available_instruments": [
{
"type": "customized"
}
]
}
],
"dev.boutir.payment.customized.pm_5292052282474496": [
{
"id": "dev.boutir.payment.customized.pm_5292052282474496",
"spec": "https://uppacase.com/.well-known/ucp/payment-handler/spec",
"config": {
"name": "AlipayHK",
"description": "Use this handler_id for customized payment.",
"customized_payment_method_id": "5292052282474496"
},
"schema": "https://uppacase.com/.well-known/ucp/payment-handler/schema.json",
"version": "2026-08-25",
"available_instruments": [
{
"type": "customized"
}
]
}
]
},
"supported_versions": {
"2026-04-08": "https://uppacase.com/.well-known/ucp/2026-04-08",
"2026-08-25": "https://uppacase.com/.well-known/ucp/2026-08-25"
}
}
}
Other verified stores with similar capabilities
Stores that share the most UCP capabilities with uppacase.com, ranked by overlap.
About this uppacase.com report
What does it mean that uppacase.com is verified for UCP?
/.well-known/ucp, the profile passes schema validation against 2026-08-25, and AI agents can discover its commerce capabilities without needing to scrape HTML. That is what the store declares. Whether an agent actually completes a purchase is a separate question — where an observed agent run is shown on this page, it answers that one.Can I trust uppacase.com for AI agent purchases?
What platform does uppacase.com use for UCP?
How was this UCP report for uppacase.com generated?
uppacase.com/.well-known/ucp directly, parses the profile against the official UCP JSON schema, checks robots.txt for AI bot policies, and runs payment-handler validation. No manual review, no opinions — just what the profile actually says. The check ran 8 hours ago.How often is uppacase.com re-checked?
Why does this status matter?
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[](https://ucpchecker.com/status/uppacase.com)<a href="https://ucpchecker.com/status/uppacase.com"><img src="https://ucpchecker.com/badge/uppacase.com" alt="UCP Status"></a>