UCP Checker
UCP status report

artesanatoddd.com.br

Verified

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

Changed something? Check now.
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

Findings

10 passed · 4 to fix
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
Profile URL uses https://
https
OK
UCP profile reachable
/.well-known/ucp
HTTP 200
/.well-known/ucp
OK
AI bot access
robots.txt
robots.txt allows /.well-known/ucp
robots.txt
UCP profile
To fix
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.
keys
OK
Profile passes schema validation
ucp
No structural errors
ucp
OK
Protocol version present and well-formed
ucp.version
Version: 2026-08-25
ucp.version
Services
OK
Transports declared
services
MCP
services
Outside UCP
To fix
Publish Organization schema (JSON-LD) on the homepage
JSON-LD
No Organization-typed JSON-LD detected on your homepage.
JSON-LD
OK
llms.txt
/llms.txt
Found at /llms.txt
/llms.txt
OK
sitemap.xml
/sitemap.xml
Found at /sitemap.xml
/sitemap.xml
OK
Open Graph tags
og: meta
og:title and og:type/url present
og: meta
OK
Mobile viewport meta
meta viewport
<meta name="viewport"> present
meta viewport
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
–
  1. Discovery↗
    Discovery & negotiation
    how agents find the profile
    Found · 3 requests
  2. Identity & Auth↗
    Identity & authentication
    how each side proves who it is
    Not signed · 0 keys
  3. Payment↗
    Payment architecture
    how the store takes payment
    None declared
  4. Transport↗
    Transport layer
    how agents call the store
    MCP declared
  5. Capabilities↗
    Standard capabilities
    what agents can do there
    2 declared
UCP CheckerUCPCheckerBot/1.0
  • key K_DlV2MybP…
  • Discovery & negotiation/.well-known/ucp · 200
  • 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
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
  1. 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.

Status badge

Markdown ·
[![UCP Status](https://ucpchecker.com/badge/artesanatoddd.com.br)](https://ucpchecker.com/status/artesanatoddd.com.br)

Questions

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.