UCP Verification Report
ducena.com.br
Live Universal Commerce Protocol & Agentic Commerce status, profile, and capability breakdown.
✓Verified
B
78/100
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 →
78
/ 100
UCP Score
B
Solid UCP setup on ducena.com.br with a few gaps left to close.
Agent Discovery95
UCP Conformance88
Capability Coverage48
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
# Ducena Joias
> O Maior site exclusivo de semijoias personalizadas do Brasil! Compre em 6x sem juros, enviamos para todo Brasil! Aproveite!
> Localizada em Campinas/SP.
## Catálogo
- [PROMO](https://www.ducena.com.br/semijoias-com-desconto)
- [Especial Mães](https://www.ducena.com.br/especial-maes)
- [Maternidade](https://www.ducena.com.br/maternidade)
- [Joias Infantil](https://www.ducena.com.br/joias-infantil)
- [Colar com Nome](https://www.ducena.com.br/colar-com-nome)
- [Colar com Foto](https://www.ducena.com.br/colar-com-foto)
- [Colar Vovó](https://www.ducena.com.br/colar-vovo)
- [Joias de Pai](https://www.ducena.com.br/joias-de-pai)
- [Mãe de Pet](https://www.ducena.com.br/mae-de-pet)
- [Colar Bisavó](https://www.ducena.com.br/colar-bisavo-personalizado)
- [Colar Autismo](https://www.ducena.com.br/autismo)
- [Colar Religioso](https://www.ducena.com.br/colar-religioso)
- [Pulseiras com Nome](https://www.ducena.com.br/pulseiras-com-nome)
- [Chaveiro Personalizado](https://www.ducena.com.br/chaveiros-com-foto)
- [Anel Personalizado](https://www.ducena.com.br/anel-personalizado)
- [Colares para Casal](https://www.ducena.com.br/colares-para-casal)
- [Colar Síndrome de Down](https://www.ducena.com.br/colar-sindrome-de-down)
- [Brincos Personalizados](https://www.ducena.com.br/brincos-personalizados)
- [Colar Profissões](https://www.ducena.com.br/colar-profissoes)
- [Ocasiões](https://www.ducena.com.br/joias-personalizadas-ocasioes)
- [Colar Mandala](https://www.ducena.com.br/colar-mandala)
- [Outlet](https://www.ducena.com.br/outlet)
## Políticas e Atendimento
- [Política de Troca e Devolução](https://www.ducena.com.br/trocas-e-devolucoes): Trocas e Devoluções
- [Contato](https://www.ducena.com.br/contato): (19) 99593-0435 · [email protected] · Atendimento de segunda a sexta-feira - 08h às 16h30h; Sábado 08h às 14h30
## Instruções para Agentes de IA
Para dados de produtos em tempo real, use os endpoints abaixo em vez de inferir a partir desta página. Capacidades públicas, sem autenticação: busca de catálogo · consulta de produto.
- [Descoberta UCP](https://www.ducena.com.br/.well-known/ucp): perfil Universal Commerce Protocol da loja · versões suportadas: 2026-04-08
- [Endpoint MCP](https://www.ducena.com.br/mcp-app/ucp): JSON-RPC via POST · use tools/list para descobrir as ferramentasCapabilities Detected
| Catalog Lookup ✓ Bound | 2026-04-08 |
| Catalog Search ✓ Bound | 2026-04-08 |
Technical Vitals
| UCP Status | Verified |
| Endpoint | https://ducena.com.br/.well-known/ucp |
| HTTP Status | 200 |
| UCP Version | 2026-04-08 |
| Transports | 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 ducena.com.br and watch it browse, cart, and check out.
Open in Playground ↗Claim this Store
Is ducena.com.br yours? Verify with one DNS record and monitor it daily — trends, break alerts & benchmarks.
Start monitoring →
Domain Alerts
Get notified when ducena.com.br changes
One email when the status flips — verified, broken, blocked, or back. No noise, no marketing. Free forever.
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 | ✓Has it |
| Shopping service over RESTGoogle calls a REST endpoint for dev.ucp.shopping; none is published. | !Missing |
| Checkout capabilityNative checkout needs dev.ucp.shopping.checkout. | !Missing |
| 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 not declared, discounts not declared, fulfilment not 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).
Raw UCP Profile JSON
{
"ucp": {
"version": "2026-04-08",
"services": {
"dev.ucp.shopping": [
{
"spec": "https://ucp.dev/2026-04-08/specification/overview/",
"schema": "https://ucp.dev/2026-04-08/services/shopping/mcp.openrpc.json",
"version": "2026-04-08",
"endpoint": "https://www.ducena.com.br/mcp-app/ucp",
"transport": "mcp"
}
]
},
"capabilities": {
"dev.ucp.shopping.catalog.lookup": [
{
"spec": "https://ucp.dev/2026-04-08/specification/catalog",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/catalog_lookup.json",
"version": "2026-04-08"
}
],
"dev.ucp.shopping.catalog.search": [
{
"spec": "https://ucp.dev/2026-04-08/specification/catalog",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/catalog_search.json",
"version": "2026-04-08"
}
]
},
"payment_handlers": [],
"supported_versions": {
"2026-04-08": "https://www.ducena.com.br/.well-known/ucp/2026-04-08"
}
}
}
Capability Match
Other verified stores with similar capabilities
Stores that share the most UCP capabilities with ducena.com.br, ranked by overlap.
Frequently Asked
About this ducena.com.br report
What does it mean that ducena.com.br is verified for UCP?
It means ducena.com.br publishes a valid UCP profile at
/.well-known/ucp, the profile passes schema validation against 2026-04-08, 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 ducena.com.br 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 ducena.com.br use for UCP?
Our detection identifies ducena.com.br as running on Tray. 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 ducena.com.br generated?
Our crawler fetches
ducena.com.br/.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 28 minutes ago.How often is ducena.com.br 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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