UCP status report
artesanatoddd.com.br
artesanatoddd.com.br publishes a valid UCP profile, but one thing breaks the spec: it isn't served with the caching the spec requires.
TrayMCPHTTP 200 in 251 msrelease 2026-08-25
UCP Score→
78/100
grade B · nearly there
To fix→
4
1 breaks the spec
Passed
10
checks
Checked
7 Nov
18:30 UTC · signed public requests
Discovery
Problem
The profile isn't served with the caching the spec requires
Served with Cache-Control "max-age=14400". Spec level: MUST.
To fix
The profile has no ETag or Last-Modified header
Spec level: SHOULD.
OK
https
HTTPS
https
Profile URL uses https://
OK
/.well-known/ucp
UCP profile reachable
/.well-known/ucp
HTTP 200
OK
robots.txt
AI bot access
robots.txt
robots.txt allows /.well-known/ucp
UCP profile
To fix
keys
Cryptographic message signing is not yet enabled
keys
Your UCP profile lists no public keys, so cryptographic message signing is not yet enabled for this store. HTTPS already confirms your store's identity; signing adds a further layer for checkout, payment and webhook messages.
OK
ucp
Profile passes schema validation
ucp
No structural errors
OK
ucp.version
Protocol version present and well-formed
ucp.version
Version: 2026-08-25
Services
OK
services
Transports declared
services
MCP
Outside UCP
To fix
JSON-LD
Publish Organization schema (JSON-LD) on the homepage
JSON-LD
No Organization-typed JSON-LD detected on your homepage.
OK
/llms.txt
llms.txt
/llms.txt
Found at /llms.txt
OK
/sitemap.xml
sitemap.xml
/sitemap.xml
Found at /sitemap.xml
OK
og: meta
Open Graph tags
og: meta
og:title and og:type/url present
OK
meta viewport
Mobile viewport meta
meta viewport
<meta name="viewport"> present
Check trace
How artesanatoddd.com.br answered our check
What our check asked for and read, under the UCP spec's own sections, and every request we made.
- Requests
- 8
- Connections
- 4
- At the store, summed
- 1.76 s
- Network, summed
- 1.11 s
- Compressed
- yes
- Requests signed
- –
-
Discovery↗Discovery & negotiationhow agents find the profileFound · 3 requests
-
Identity & Auth↗Identity & authenticationhow each side proves who it isNot signed · 0 keys
-
Payment↗Payment architecturehow the store takes paymentNone declared
-
Transport↗Transport layerhow agents call the storeMCP declared
-
Capabilities↗Standard capabilitieswhat agents can do there2 declared
UCP CheckerUCPCheckerBot/1.0
- key K_DlV2MybP…
- Discovery & negotiation/.well-known/ucp · 200
GET /.well-known/ucpother host, not used0 msGET www.artesanatoddd.com.br/.well-known/ucp200 OK251 msGET /.well-known/ucpother host, not used0 ms
- read from profileIdentity & authentication0 keys
- read from profilePayment architecturenone declared
- not calledTransport layerMCP · declared · 0 tools
- read from profileStandard capabilities2 declared
- Outside UCProbots.txt · homepage · /llms.txt
GET /robots.txtno response0 msGET www.artesanatoddd.com.br/robots.txt200 OK208 msGET www.artesanatoddd.com.br/200 OK712 msGET www.artesanatoddd.com.br/sitemap.xml200 OK829 msGET www.artesanatoddd.com.br/llms.txt200 OK863 ms
Found
Discovery & negotiation3 requests
Served at /.well-known/ucp with 200 OK, 932 B. robots.txt allows /.well-known/ucp.
Read
Identity & authenticationread from profile
Our requests on this check were not signed. The profile publishes no keys, so the store's own signed messages can't be checked.
None
Payment architectureread from profile
No payment handlers declared.
Declared
Transport layernot called
The MCP service is declared; not called by this check.
Read
Standard capabilitiesread from profile
2 declared at 2026-08-25.
Discovery & negotiation3 requests · 2 × no response · 200 OK1,918 ms
GET /.well-known/ucp
— no response
0 ms
No answer.
- URL
https://artesanatoddd.com.br/.well-known/ucp
GET www.artesanatoddd.com.br/.well-known/ucp
200 OK
932 B · application/json
251 ms
Answered.
- DNS 0 ms
- Wait 251 ms
- Download 0 ms
- URL
https://www.artesanatoddd.com.br/.well-known/ucp- Server
206.41.74.3- Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)- Sent accept
application/json- Sent accept-encoding
gzip, deflate, br, zstd- Sent signature-agent
"https://ucpchecker.com"- Sent signature
- Web Bot Auth (RFC 9421)
- Got server
nginx- Got content-type
application/json; charset=utf-8- Got content-encoding
gzip- Got cache-control
max-age=14400
GET /.well-known/ucp
— no response
0 ms
No answer.
- URL
https://artesanatoddd.com.br/.well-known/ucp
Outside UCP · its other files5 requests · no response · 4 × 200 OK2,817 ms
GET /robots.txt
— no response
0 ms
No answer.
- URL
https://artesanatoddd.com.br/robots.txt
GET www.artesanatoddd.com.br/robots.txt
200 OK
11.7 KB · text/plain
208 ms
Answered.
- DNS 0 ms
- Connect 4 ms
- TLS 73 ms
- Wait 129 ms
- Download 0 ms
- URL
https://www.artesanatoddd.com.br/robots.txt- Server
206.41.74.3- Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)- Sent accept
text/plain- Sent accept-encoding
gzip, deflate, br, zstd- Sent signature-agent
"https://ucpchecker.com"- Sent signature
- Web Bot Auth (RFC 9421)
- Got server
nginx- Got content-type
text/plain;charset=ISO-8859-1- Got content-encoding
gzip- Got cache-control
max-age=14400
GET www.artesanatoddd.com.br/
200 OK
442.4 KB · text/html
712 ms
Answered.
- DNS 0 ms
- Connect 2 ms
- TLS 337 ms
- Wait 367 ms
- Download 5 ms
- URL
https://www.artesanatoddd.com.br/- Server
206.41.74.3- Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)- Sent accept-encoding
gzip, deflate, br, zstd- Sent signature-agent
"https://ucpchecker.com"- Sent signature
- Web Bot Auth (RFC 9421)
- Got server
nginx- Got content-type
text/html; charset=ISO-8859-1- Got content-encoding
gzip- Got cache-control
max-age=14400
GET www.artesanatoddd.com.br/sitemap.xml
200 OK
251 B · application/xml
829 ms
Answered.
- DNS 0 ms
- Connect 182 ms
- TLS 163 ms
- Wait 483 ms
- Download 0 ms
- URL
https://www.artesanatoddd.com.br/sitemap.xml- Server
206.41.74.3- Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)- Sent accept
application/xml,text/xml- Sent accept-encoding
gzip, deflate, br, zstd- Sent signature-agent
"https://ucpchecker.com"- Sent signature
- Web Bot Auth (RFC 9421)
- Got server
nginx- Got content-type
application/xml- Got content-encoding
gzip- Got cache-control
max-age=14400
GET www.artesanatoddd.com.br/llms.txt
200 OK
1.5 KB · text/plain
863 ms
Answered.
- DNS 0 ms
- Connect 100 ms
- TLS 242 ms
- Wait 520 ms
- Download 0 ms
- URL
https://www.artesanatoddd.com.br/llms.txt- Server
206.41.74.3- Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)- Sent accept
text/plain- Sent accept-encoding
gzip, deflate, br, zstd- Sent signature-agent
"https://ucpchecker.com"- Sent signature
- Web Bot Auth (RFC 9421)
- Got server
nginx- Got content-type
text/plain; charset=utf-8- Got content-encoding
gzip- Got cache-control
max-age=14400
- DISCOVERYValid against the 2026-08-25 schema; no keys published
UCP profile as served 932 B as served · 37 lines
{
"ucp": {
"version": "2026-08-25",
"supported_versions": {
"2026-08-25": "https://www.artesanatoddd.com.br/.well-known/ucp/2026-08-25",
"2026-04-08": "https://www.artesanatoddd.com.br/.well-known/ucp/2026-04-08"
},
"services": {
"dev.ucp.shopping": [
{
"version": "2026-08-25",
"spec": "https://ucp.dev/2026-08-25/specification/overview/",
"transport": "mcp",
"endpoint": "https://www.artesanatoddd.com.br/mcp-app/ucp",
"schema": "https://ucp.dev/2026-08-25/services/shopping/mcp.openrpc.json"
}
]
},
"capabilities": {
"dev.ucp.shopping.catalog.search": [
{
"version": "2026-08-25",
"spec": "https://ucp.dev/2026-08-25/specification/shopping/catalog/search",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json"
}
],
"dev.ucp.shopping.catalog.lookup": [
{
"version": "2026-08-25",
"spec": "https://ucp.dev/2026-08-25/specification/shopping/catalog/lookup",
"schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json"
}
]
},
"payment_handlers": {}
}
}
/llms.txt as served 1.5 KB · mentions UCP
# Artesanato DDD > Vidros e Artigos para Decoração de Festas e Eventos, Vasos de Vidro, Potes para Velas, Frascos de Vidro, Vidros para Terrários, Suqueiras, Redomas ou Cupulas. > Localizada em São Paulo/SP. ## Catálogo - [Decoração Suspensa](https://www.artesanatoddd.com.br/vasos-vidros-suspensos) - [Pote Para Vela e Velas](https://www.artesanatoddd.com.br/pote-de-vidro-para-velas-copo-colorido) - [Vasos de Vidro](https://www.artesanatoddd.com.br/vasos-de-vidro) - [Vidros Para Terrários](https://www.artesanatoddd.com.br/vidros-para-terrario) - [Servir](https://www.artesanatoddd.com.br/servir) - [Objetos Decorativos](https://www.artesanatoddd.com.br/objetos-decorativos) ## Políticas e Atendimento - [Política de Troca e Devolução](https://www.artesanatoddd.com.br/trocas-e-devolucoes): Trocas e devoluções - [Contato](https://www.artesanatoddd.com.br/contato): (11) 2581-1097 · [email protected] · Segunda a Sexta das 8:00 às 12:00 e das 13:00 às 17:00 ## 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.artesanatoddd.com.br/.well-known/ucp): perfil Universal Commerce Protocol da loja · versões suportadas: 2026-08-25, 2026-04-08 - [Endpoint MCP](https://www.artesanatoddd.com.br/mcp-app/ucp): JSON-RPC via POST · use tools/list para descobrir as ferramentas
Is artesanatoddd.com.br your store?
Claim it with one DNS record.
[](https://ucpchecker.com/status/artesanatoddd.com.br)
Can UCP agents buy from artesanatoddd.com.br?
Through its MCP service, an agent can search the catalogue. This is what the store declares and what our check reached; an observed agent run shows how far an agent actually gets.
Is artesanatoddd.com.br ready for UCP agents?
artesanatoddd.com.br publishes a valid UCP profile and scores 78/100 (grade B). 4 things to fix: the profile isn't served with the caching the spec requires, the profile has no ETag or Last-Modified header, publish Organization schema (JSON-LD) on the homepage and cryptographic message signing is not yet enabled.
What is a UCP profile?
The JSON file a store publishes at
/.well-known/ucp to tell UCP agents which services it offers, how to call them and how it takes payment. The spec calls it the business profile. artesanatoddd.com.br's is 0.9 KB, written for UCP 2026-08-25. What goes in a UCP profile.How was artesanatoddd.com.br checked?
With public requests on 7 Nov 2026: we read
/.well-known/ucp and robots.txt, validated the profile against UCP 2026-08-25, checked that its spec and schema links resolve. No sign-in and no purchase. How we check.