UCP status report

annacarol.com.br

Q: 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. annacarol.com.br's is 0.9 KB, written for UCP 2026-08-25. What goes in a UCP profile.

Q: How was annacarol.com.br checked?

With public requests on 6 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.

Verified

annacarol.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 292 msrelease 2026-08-25

UCP Score 76/100 grade B · nearly there To fix 6 1 breaks the spec

Passed 11 checks

Checked 6 Nov 03:28 UTC · signed public requests

Findings

11 passed · 6 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.

To fix

Your store lives on www.annacarol.com.br; annacarol.com.br only redirects to it

How we decided: annacarol.com.br forwards its homepage to www.annacarol.com.br; your homepage names www.annacarol.com.br as its canonical address; and your UCP profile is served directly at www.annacarol.com.br/.well-known/ucp. An agent given annacarol.com.br instead gets a redirect, and the spec tells agents not to follow one, so it stops there. Serve /.well-known/ucp directly on annacarol.com.br too if agents may use it.

HTTPS

https

Profile URL uses https://

https

UCP profile reachable

/.well-known/ucp

HTTP 200

/.well-known/ucp

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

Profile passes schema validation

ucp

No structural errors

ucp

Protocol version present and well-formed

ucp.version

Version: 2026-08-25

ucp.version

Spec & schema URLs resolve (5)

spec, schema

All 5 URLs resolved.

spec, schema

Services

Problem

Make declared services answer with UCP

ucp.services

https://www.annacarol.com.br/mcp-app-sandbox/ucp answered tools/list with HTTP 404, not a UCP response.

ucp.services

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

llms.txt

/llms.txt

Found at /llms.txt

/llms.txt

sitemap.xml

/sitemap.xml

Found at /sitemap.xml

/sitemap.xml

Open Graph tags

og: meta

og:title and og:type/url present

og: meta

Mobile viewport meta

meta viewport

meta viewport

Check trace

How annacarol.com.br answered our check

The five ways an agent can reach this store, what each one met, and every request we made.

1 of 5 open
11 requests over 11 connections · 2.28 s at the store + 2.97 s network · signed requests · How it fetches ›

01Hosting ↗

Finding the profile

Open
02Identity Linking ↗

Acting for the buyer

Not offered
03Embedded ↗

In the buyer's browser

Not offered
04Services ↗

Calling its services

Declared
05continue_url ↗

Sending the buyer to the website

Not declared

UCP CheckerUCPCheckerBot/1.0

Signed · Web Bot Auth
key K_DlV2MybP…

How to verify us ↗

Finding the profile/.well-known/ucp · 200
1. GET /robots.txt301 Moved Permanently393 ms
2. GET www.annacarol.com.br/robots.txt200 OK331 ms
3. GET /.well-known/ucp301 Moved Permanently376 ms
4. GET www.annacarol.com.br/.well-known/ucp200 OK969 ms
5. GET www.annacarol.com.br/robots.txt200 OK188 ms
6. GET www.annacarol.com.br/.well-known/ucp200 OK292 ms
read from profileActing for the buyernot declared
read from profileIn the buyer's browsernot declared
1 requestCalling its servicesMCP · declared · 0 tools
read from profileSending to the websitenot declared
Outside UCPhomepage · /llms.txt
1. GET /301 Moved Permanently356 ms
2. GET www.annacarol.com.br/200 OK87 ms
3. GET www.annacarol.com.br/200 OK498 ms
4. GET www.annacarol.com.br/sitemap.xml200 OK603 ms
5. GET www.annacarol.com.br/llms.txt200 OK1,155 ms

Open

01 · Finding the profile6 requests

Served at www.annacarol.com.br/.well-known/ucp with 200 OK, 920 B. annacarol.com.br only redirects to it. robots.txt allows /.well-known/ucp.

Not offered

02 · Acting for the buyerread from profile

The profile doesn't declare identity linking, so an agent can't act for a signed-in buyer.

Not offered

03 · In the buyer's browserread from profile

No Embedded service is declared.

Declared

04 · Calling its services1 request

The MCP service is declared; not called by this check.

Not declared

05 · Sending the buyer to the websiteread from profile

No permalink declared. Whether error replies carry a continue_url shows only in an agent run.

01 · Finding the profile6 requests · 2 × 301 Moved Permanently · 4 × 200 OK7,508 ms

GET /robots.txt 301 Moved Permanently → www.annacarol.com.br/robots.txt 393 ms

Redirected to https://www.annacarol.com.br/robots.txt.

DNS 0 ms
Connect 113 ms
TLS 165 ms
Wait 113 ms
Download 0 ms

URL: https://annacarol.com.br/robots.txt
Server: 177.67.112.238
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/plain
Sent signature-agent: "https://ucpchecker.com"
Sent signature: Web Bot Auth (RFC 9421)
Got server: openresty
Got content-type: text/html
Got location: https://www.annacarol.com.br/robots.txt

GET www.annacarol.com.br/robots.txt 200 OK 11.7 KB · text/plain 331 ms

Answered.

DNS 5 ms
Connect 7 ms
TLS 183 ms
Wait 134 ms
Download 1 ms

URL: https://www.annacarol.com.br/robots.txt
Server: 179.191.177.17
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/plain
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 cache-control: max-age=14400

GET /.well-known/ucp 301 Moved Permanently → www.annacarol.com.br/.well-known/ucp 376 ms

Redirected to https://www.annacarol.com.br/.well-known/ucp.

DNS 0 ms
Connect 115 ms
TLS 143 ms
Wait 117 ms
Download 0 ms

URL: https://annacarol.com.br/.well-known/ucp
Server: 177.67.112.238
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: application/json
Sent signature-agent: "https://ucpchecker.com"
Sent signature: Web Bot Auth (RFC 9421)
Got server: openresty
Got content-type: text/html
Got location: https://www.annacarol.com.br/.well-known/ucp

GET www.annacarol.com.br/.well-known/ucp 200 OK 920 B · application/json 969 ms

Answered.

DNS 0 ms
Connect 7 ms
TLS 193 ms
Wait 768 ms
Download 0 ms

URL: https://www.annacarol.com.br/.well-known/ucp
Server: 179.191.177.17
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: application/json
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 cache-control: max-age=14400

GET www.annacarol.com.br/robots.txt 200 OK 11.7 KB · text/plain 188 ms

Answered.

DNS 0 ms
Connect 8 ms
TLS 170 ms
Wait 8 ms
Download 0 ms

URL: https://www.annacarol.com.br/robots.txt
Server: 179.191.177.17
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/plain
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 cache-control: max-age=14400

GET www.annacarol.com.br/.well-known/ucp 200 OK 920 B · application/json 292 ms

Answered.

DNS 0 ms
Connect 3 ms
TLS 167 ms
Wait 121 ms
Download 0 ms

URL: https://www.annacarol.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 signature-agent: "https://ucpchecker.com"
Sent signature: Web Bot Auth (RFC 9421)
Got server: nginx
Got content-type: application/json; charset=utf-8
Got cache-control: max-age=14400

Outside UCP · its other files5 requests · 301 Moved Permanently · 4 × 200 OK1,692 ms

GET / 301 Moved Permanently → www.annacarol.com.br/ 356 ms

Redirected to https://www.annacarol.com.br/.

DNS 0 ms
Connect 115 ms
TLS 127 ms
Wait 113 ms
Download 0 ms

URL: https://annacarol.com.br/
Server: 177.67.112.238
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/html
Sent signature-agent: "https://ucpchecker.com"
Sent signature: Web Bot Auth (RFC 9421)
Got server: openresty
Got content-type: text/html
Got location: https://www.annacarol.com.br/

GET www.annacarol.com.br/ 200 OK 575.1 KB · text/html 87 ms

Answered.

DNS 0 ms
Connect 3 ms
TLS 71 ms
Wait 5 ms
Download 7 ms

URL: https://www.annacarol.com.br/
Server: 206.41.74.3
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/html
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 cache-control: max-age=14400

GET www.annacarol.com.br/ 200 OK 575.1 KB · text/html 498 ms

Answered.

DNS 0 ms
Connect 125 ms
TLS 320 ms
Wait 15 ms
Download 32 ms

URL: https://www.annacarol.com.br/
Server: 179.191.177.1
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
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 cache-control: max-age=14400

GET www.annacarol.com.br/sitemap.xml 200 OK 247 B · application/xml 603 ms

Answered.

DNS 0 ms
Connect 262 ms
TLS 203 ms
Wait 137 ms
Download 0 ms

URL: https://www.annacarol.com.br/sitemap.xml
Server: 179.191.177.1
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: application/xml,text/xml
Sent signature-agent: "https://ucpchecker.com"
Sent signature: Web Bot Auth (RFC 9421)
Got server: nginx
Got content-type: application/xml
Got cache-control: max-age=14400

GET www.annacarol.com.br/llms.txt 200 OK 1.6 KB · text/plain 1,155 ms

Answered.

DNS 0 ms
Connect 199 ms
TLS 254 ms
Wait 701 ms
Download 0 ms

URL: https://www.annacarol.com.br/llms.txt
Server: 179.191.177.1
Sent user-agent: UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept: text/plain
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 cache-control: max-age=14400

01 PROFILEValid against the 2026-08-25 schema; no keys published

How agents reach this store. annacarol.com.br's UCP profile (2026-08-25) declares one transport for dev.ucp.shopping: MCP. One panel per transport, in the spec's words.

Capabilities

2 declared · all at 2026-08-25

Catalog Lookup dev.ucp.shopping.catalog.lookup

MCP

Catalog Search dev.ucp.shopping.catalog.search

MCP

MCP

no tool list returned

Endpointhttps://www.annacarol.com.br/mcp-app/ucp

The tools the UCP spec defines for each capability in the profile. The store's MCP service didn't return a tool list to our check (tools/list), so we can't say which it lists.

Catalog searchdev.ucp.shopping.catalog.search

search_catalog

Catalog lookupdev.ucp.shopping.catalog.lookup

lookup_catalogget_product

UCP profile as served 920 B as served · 37 lines

{
    "ucp": {
        "version": "2026-08-25",
        "supported_versions": {
            "2026-08-25": "https://www.annacarol.com.br/.well-known/ucp/2026-08-25",
            "2026-04-08": "https://www.annacarol.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.annacarol.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": {}
    }
}

What goes in a UCP profile →Check your JSON in the Validator →Guides by store platform →

/llms.txt as served 1.6 KB · mentions UCP

# ANNA CAROL

> A sua loja online de Biquínis Femininos! Modelos exclusivos de biquíni fio dental, cortininha, tomara que caia e muito mais. Arrase na praia ou piscina com a melhor moda praia do Brasil!
> Localizada em Limeira/SP.

## Catálogo
- [SALE](https://www.annacarol.com.br/sale)
- [LANÇAMENTOS](https://www.annacarol.com.br/lancamentos)
- [BIQUÍNIS](https://www.annacarol.com.br/biquinis)
- [MAIÔ](https://www.annacarol.com.br/maios)
- [SHORTS](https://www.annacarol.com.br/shorts)
- [SAIDAS DE PRAIA](https://www.annacarol.com.br/saidas-de-praia)
- [ÓCULOS DE SOL](https://www.annacarol.com.br/oculos-de-sol)
- [KIT CASAL](https://www.annacarol.com.br/kit-casal)
- [KITS](https://www.annacarol.com.br/kits)
- [SUNGAS](https://www.annacarol.com.br/sungas-e-cuecas)
- [MODA](https://www.annacarol.com.br/blusa-antonella)

## Políticas e Atendimento
- [Política de Troca e Devolução](https://www.annacarol.com.br/troca): Políticas de Troca
- [Contato](https://www.annacarol.com.br/contato): (19) 3443-4048 · [email protected] · Atendimento de Segunda a Sexta - 8h às 12h; 13h às 16h.

## 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.annacarol.com.br/.well-known/ucp): perfil Universal Commerce Protocol da loja · versões suportadas: 2026-08-25, 2026-04-08
- [Endpoint MCP](https://www.annacarol.com.br/mcp-app/ucp): JSON-RPC via POST · use tools/list para descobrir as ferramentas

Is annacarol.com.br your store?

Claim it with one DNS record.

Claim this store Send an agent to shop here ↗

Status badge

Markdown ·

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

Questions

Can UCP agents buy from annacarol.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 annacarol.com.br ready for UCP agents?

annacarol.com.br publishes a valid UCP profile and scores 76/100 (grade B). 6 things to fix: the profile isn't served with the caching the spec requires, the profile has no ETag or Last-Modified header, make declared services answer with UCP and publish Organization schema (JSON-LD) on the homepage.

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. annacarol.com.br's is 0.9 KB, written for UCP 2026-08-25. What goes in a UCP profile.

How was annacarol.com.br checked?

With public requests on 6 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.