UCP Verification Report
jcchk.store
Live Universal Commerce Protocol & Agentic Commerce status, profile, and capability breakdown.
✓Verified
A
95/100
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 →
95
/ 100
UCP Score
A
jcchk.store publishes a conforming profile with broad capability coverage.
Agent Discovery100
UCP Conformance92
Capability Coverage94
View the full UCP Score reportTop priorities, impact & effort matrix, and copy-paste fixes for every issue.
/llms.txt content
The plain-text brief this store publishes to AI agents. Captured on the most recent check.
mentions UCP
# llms.txt
# Public brief for AI agents about JC Cosmetics HK
# About
🌟 歡迎來到 JC Cosmetics！🌟
💖GOD is LOVE💖
1 John 4:19 💕John 3:16
我們專注於提供歐美、日本和韓國的高級品牌美妝產品、健康產品，以及生活和個人用品。我們與大型批發商及專業買手合作，為您帶來正貨產品，並提供超值優惠價！無論您是美妝愛好者還是健康生活的追求者，這裡都有適合您的選擇。
⚠️⚠️ 產品聲明（Standard Disclaimer）⚠️⚠️
‼️ 本貨品為平行進口正貨，非品牌官方授權經銷。所有商標及版權均屬原品牌持有人，產品介紹及圖片僅供消費者識別及選購參考。購買前請留意產品產地、批次及保養差異，如需品牌官方售後服務，請向授權代理查詢。‼️
⚠️⚠️ Product Disclaimer ⚠️⚠️
‼️ This product is a genuine parallel import and is not sold by brand-authorized distributors. All trademarks and copyrights belong to their respective owners. Product descriptions and images are for consumer identification and reference only. Please check origin, batch, and warranty details before purchase. For official warranty/service, contact authorized distributors.‼️
# Product Categories
- 以色列 🇮🇱 SABON
- 🇨🇦加拿大Essential Oil CA - 陶瓷香薰機系列
- 🇨🇦加拿大Essential Oil CA - 陶瓷香薰機系列 > PASTEL 淡彩系列
- 🇨🇦加拿大Essential Oil CA - 陶瓷香薰機系列 > 白色系列
- 🇨🇦加拿大Essential Oil CA - 陶瓷香薰機系列 > 黑色系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 5星酒店香薰系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 尊貴香水味系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 果香味系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 花香味系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 草木香味系列
- 🇨🇦加拿大Essential Oil CA - 香薰油系列 > 香薰師調配系列
- 🇯🇵 日本三笠药貼
- 💓10月 優惠‼️2026‼️
- 💓1月 優惠‼️2026‼️
- 💓2月 優惠‼️2026‼️
- 💓3月 優惠‼️2026‼️
- 💓4月 優惠‼️2026‼️
- 💓5月 優惠‼️2026‼️
- 💓6月 優惠‼️2026‼️
# Policies
- Return policy: https://jcchk.store/returnpolicy
- Terms: https://jcchk.store/terms
- Privacy: https://jcchk.store/privacy
# UCP
- Discovery profile: https://jcchk.store/.well-known/ucpCapabilities 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://jcchk.store/.well-known/ucp |
| HTTP Status | 200 |
| UCP Version | 2026-08-25 |
| Transports | REST, MCP |
| Last Observed | |
| Last Full Index |
Next Steps
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 jcchk.store and watch it browse, cart, and check out.
Open in Playground ↗Claim this Store
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Start monitoring →
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Get notified when jcchk.store changes
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Access
AI Agent Access (robots.txt)
| GPTBotOpenAI / ChatGPT | ✓Allowed |
| Google-ExtendedGemini / Google | ✓Allowed |
| ClaudeBotClaude / Anthropic | ✓Allowed |
| Applebot-ExtendedApple Intelligence | ✓Allowed |
| CCBotCommon Crawl | ✓Allowed |
Google
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).
Checkout
Payment Configuration
💳 Bank Transfer
dev.boutir.payment.bank_transfer
Gateway:Unknown
💳 Pm 5796887478009856
dev.boutir.payment.customized.pm_5796887478009856
Gateway:Unknown
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://jcchk.store/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://jcchk.store/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://jcchk.store/.well-known/ucp/payment-handler/spec",
"config": {
"description": "Use payment.instruments with bank_transfer type."
},
"schema": "https://jcchk.store/.well-known/ucp/payment-handler/schema.json",
"version": "2026-08-25",
"available_instruments": [
{
"type": "bank_transfer"
}
]
}
],
"dev.boutir.payment.customized.pm_5796887478009856": [
{
"id": "dev.boutir.payment.customized.pm_5796887478009856",
"spec": "https://jcchk.store/.well-known/ucp/payment-handler/spec",
"config": {
"name": "Alipay HK",
"description": "Use this handler_id for customized payment.",
"customized_payment_method_id": "5796887478009856"
},
"schema": "https://jcchk.store/.well-known/ucp/payment-handler/schema.json",
"version": "2026-08-25",
"available_instruments": [
{
"type": "customized"
}
]
}
]
},
"supported_versions": {
"2026-04-08": "https://jcchk.store/.well-known/ucp/2026-04-08",
"2026-08-25": "https://jcchk.store/.well-known/ucp/2026-08-25"
}
}
}
Capability Match
Other verified stores with similar capabilities
Stores that share the most UCP capabilities with jcchk.store, ranked by overlap.
Frequently Asked
About this jcchk.store report
What does it mean that jcchk.store is verified for UCP?
It means jcchk.store publishes a valid UCP profile at
/.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 jcchk.store for AI agent purchases?
Verification means the store is technically ready — payment handlers declared, transports reachable, schema valid. It doesn't grade business reputation or fulfilment quality. For trust on the commerce side itself, check the store's own reviews. For trust on the agent integration side, this page is the source of truth.
What platform does jcchk.store use for UCP?
Our detection identifies jcchk.store as running on Boutir. Many large UCP-verified stores use Shopify, BigCommerce, or custom stacks built on the open spec. The transport list above shows the exact mechanism (REST, MCP, A2A, Embedded) the profile declares.
How was this UCP report for jcchk.store generated?
Our crawler fetches
jcchk.store/.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 1 hour ago.How often is jcchk.store re-checked?
Every domain in our directory is re-crawled at least every 24 hours. You can also trigger a fresh check from this page at any time, or subscribe to alerts to get notified the moment the status changes — that's how we built the only continuously updated UCP directory on the internet.
Why does this status matter?
Universal Commerce Protocol is the standard AI shopping agents (ChatGPT, Claude, Gemini, Apple Intelligence) use to discover what a store sells, how to add items to a cart, and how to check out. If a store isn't UCP-verified, agents can still scrape it — but they'll be slower, less reliable, and far more likely to fail at checkout. UCP turns a guess into a guarantee.
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