UCP status report

marshmallowclosethk.boutir.com

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. marshmallowclosethk.boutir.com's is 4.3 KB, written for UCP 2026-08-25. What goes in a UCP profile.

Q: How was marshmallowclosethk.boutir.com 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.

Verified

marshmallowclosethk.boutir.com publishes a valid UCP profile. The checks below list what is still worth adding.

BoutirREST, MCPHTTP 200 in 233 msrelease 2026-08-25

UCP Score 95/100 grade A · ready for UCP agents To fix 1 nothing breaks the spec

Passed 15 checks

Checked 7 Nov 04:24 UTC · signed public requests

Findings

15 passed · 1 to fix

Discovery

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

No validation warnings

ucp

No outstanding validation issues

ucp

Services

Capabilities declared

capabilities

3 of 6 capability families detected: Checkout, Cart Management, Catalog. A family counts once however many namespaces or extensions declare it.

capabilities

Checkout capability

shopping.checkout

dev.ucp.shopping.checkout detected

shopping.checkout

Transports declared

services

REST, MCP

services

Payment handlers

payment_handlers

3 handlers registered

payment_handlers

Outside UCP

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

Organization schema (JSON-LD)

JSON-LD

Organization-typed JSON-LD detected

JSON-LD

Mobile viewport meta

meta viewport

meta viewport

Check trace

How marshmallowclosethk.boutir.com answered our check

What our check asked for and read, under the UCP spec's own sections, and every request we made.

Requests: 5
Connections: 4
At the store, summed: 1.68 s
Network, summed: 2.00 s
Compressed: yes
Requests signed: yes

Discovery↗

Discovery & negotiation

how agents find the profile

Found · 1 request
Identity & Auth↗

Identity & authentication

how each side proves who it is

Signed by us · 0 keys
Payment↗

Payment architecture

how the store takes payment

3 handlers declared
Transport↗

Transport layer

how agents call the store

REST declared · MCP declared
Capabilities↗

Standard capabilities

what agents can do there

8 declared

UCP CheckerUCPCheckerBot/1.0

Signed · Web Bot Auth
key K_DlV2MybP…

Discovery & negotiation/.well-known/ucp · 200
1. GET /.well-known/ucp200 OK233 ms
read from profileIdentity & authenticationsigned · 0 keys
read from profilePayment architecture3 handlers
not calledTransport layerREST, MCP · declared · 12 tools
read from profileStandard capabilities8 declared
Outside UCProbots.txt · homepage · /llms.txt
1. GET /robots.txt200 OK214 ms
2. GET /200 OK615 ms
3. GET /llms.txt200 OK734 ms
4. GET /sitemap.xml200 OK1,874 ms

Found

Discovery & negotiation1 request

Served at /.well-known/ucp with 200 OK, 4.3 KB. robots.txt allows /.well-known/ucp.

Read

Identity & authenticationread from profile

Every request we made was signed (Web Bot Auth, RFC 9421). The profile publishes no keys, so the store's own signed messages can't be checked.

Read

Payment architectureread from profile

Declares dev.boutir.payment.bank_transfer, dev.boutir.payment.customized.pm_5411658951163904, dev.boutir.payment.customized.pm_6539577861734400. Payment happens inside checkout, which a check never calls, so it shows only in an agent run.

Declared

Transport layernot called

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

Read

Standard capabilitiesread from profile

8 declared at 2026-08-25. Cart, checkout change state, so a check never calls them: they show only in an agent run.

Discovery & negotiation1 request · 200 OK233 ms

GET /.well-known/ucp 200 OK 4.3 KB · application/json 233 ms

Answered.

DNS 0 ms
Wait 232 ms
Download 0 ms

URL: https://marshmallowclosethk.boutir.com/.well-known/ucp
Server: 104.26.14.39
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: cloudflare
Got content-type: application/json
Got content-encoding: br
Got cache-control: public, max-age=3600
Got cf-ray: a56990f8b9d980a8-EWR

Outside UCP · its other files4 requests · 4 × 200 OK6,250 ms

GET /robots.txt 200 OK 530 B · text/plain 214 ms

Answered.

DNS 0 ms
Connect 5 ms
TLS 196 ms
Wait 11 ms
Download 0 ms

URL: https://marshmallowclosethk.boutir.com/robots.txt
Server: 104.26.14.39
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: cloudflare
Got content-type: text/plain
Got content-encoding: br
Got cache-control: public,max-age=86400
Got cf-ray: a56990f899a880a8-EWR

GET / 200 OK 236.3 KB · text/html 615 ms

Answered.

DNS 0 ms
Connect 6 ms
TLS 589 ms
Wait 19 ms
Download 1 ms

URL: https://marshmallowclosethk.boutir.com/
Server: 104.26.14.39
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: cloudflare
Got content-type: text/html; charset=utf-8
Got content-encoding: br
Got cache-control: public, max-age=6, stale-while-revalidate=86400
Got cf-ray: a56991166a5a7230-EWR

GET /llms.txt 200 OK 2.1 KB · text/plain 734 ms

Answered.

DNS 0 ms
Connect 192 ms
TLS 404 ms
Wait 137 ms
Download 0 ms

URL: https://marshmallowclosethk.boutir.com/llms.txt
Server: 104.26.14.39
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: cloudflare
Got content-type: text/plain; charset=utf-8
Got content-encoding: br
Got cache-control: public,max-age=3600
Got cf-ray: a56991166f89ad65-EWR

GET /sitemap.xml 200 OK 28.4 KB · text/xml 1,874 ms

Answered.

DNS 0 ms
Connect 397 ms
TLS 204 ms
Wait 1,266 ms
Download 6 ms

URL: https://marshmallowclosethk.boutir.com/sitemap.xml
Server: 104.26.14.39
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: cloudflare
Got content-type: text/xml; charset=utf-8
Got content-encoding: br
Got cache-control: no-store, no-cache, must-revalidate, max-age=0, private
Got cf-ray: a56991167fa32633-EWR

DISCOVERYValid against the 2026-08-25 schema; keys published

UCP profile as served 4.3 KB as served · 166 lines

{
    "ucp": {
        "capabilities": {
            "dev.ucp.common.location.lookup": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/common/location_lookup.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/common/location/lookup/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.common.location.search": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/common/location_search.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/common/location/search/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.cart": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/cart.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/cart",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.catalog.lookup": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/catalog/lookup/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.catalog.search": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/catalog/search/",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.checkout": [
                {
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/checkout.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/checkout",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.discount": [
                {
                    "extends": [
                        "dev.ucp.shopping.cart",
                        "dev.ucp.shopping.checkout"
                    ],
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/discount.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/discount",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping.fulfillment": [
                {
                    "extends": [
                        "dev.ucp.shopping.catalog.search",
                        "dev.ucp.shopping.catalog.lookup",
                        "dev.ucp.shopping.checkout"
                    ],
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/",
                    "version": "2026-08-25"
                }
            ]
        },
        "keys": [],
        "payment_handlers": {
            "dev.boutir.payment.bank_transfer": [
                {
                    "available_instruments": [
                        {
                            "type": "bank_transfer"
                        }
                    ],
                    "config": {
                        "description": "Use payment.instruments with bank_transfer type."
                    },
                    "id": "dev.boutir.payment.bank_transfer",
                    "schema": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/schema.json",
                    "spec": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/spec",
                    "version": "2026-08-25"
                }
            ],
            "dev.boutir.payment.customized.pm_5411658951163904": [
                {
                    "available_instruments": [
                        {
                            "type": "customized"
                        }
                    ],
                    "config": {
                        "customized_payment_method_id": "5411658951163904",
                        "description": "Use this handler_id for customized payment.",
                        "name": "AlipayHK"
                    },
                    "id": "dev.boutir.payment.customized.pm_5411658951163904",
                    "schema": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/schema.json",
                    "spec": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/spec",
                    "version": "2026-08-25"
                }
            ],
            "dev.boutir.payment.customized.pm_6539577861734400": [
                {
                    "available_instruments": [
                        {
                            "type": "customized"
                        }
                    ],
                    "config": {
                        "customized_payment_method_id": "6539577861734400",
                        "description": "Use this handler_id for customized payment.",
                        "name": "轉數快"
                    },
                    "id": "dev.boutir.payment.customized.pm_6539577861734400",
                    "schema": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/schema.json",
                    "spec": "https://marshmallowclosethk.boutir.com/.well-known/ucp/payment-handler/spec",
                    "version": "2026-08-25"
                }
            ]
        },
        "services": {
            "dev.ucp.common": [
                {
                    "endpoint": "https://marshmallowclosethk.boutir.com/apis/ucp",
                    "schema": "https://ucp.dev/2026-08-25/services/common/rest.openapi.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "rest",
                    "version": "2026-08-25"
                },
                {
                    "endpoint": "https://marshmallowclosethk.boutir.com/apis/ucp/mcp",
                    "schema": "https://ucp.dev/2026-08-25/services/common/mcp.openrpc.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "mcp",
                    "version": "2026-08-25"
                }
            ],
            "dev.ucp.shopping": [
                {
                    "endpoint": "https://marshmallowclosethk.boutir.com/apis/ucp",
                    "schema": "https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "rest",
                    "version": "2026-08-25"
                },
                {
                    "endpoint": "https://marshmallowclosethk.boutir.com/apis/ucp/mcp",
                    "schema": "https://ucp.dev/2026-08-25/services/shopping/mcp.openrpc.json",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "mcp",
                    "version": "2026-08-25"
                }
            ]
        },
        "status": "success",
        "supported_versions": {
            "2026-04-08": "https://marshmallowclosethk.boutir.com/.well-known/ucp/2026-04-08",
            "2026-08-25": "https://marshmallowclosethk.boutir.com/.well-known/ucp/2026-08-25"
        },
        "version": "2026-08-25"
    }
}

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

/llms.txt as served 2.1 KB · mentions UCP

# llms.txt
# Public brief for AI agents about Marshmallow Closet | 棉花糖女生衣櫥

# About
☁️專屬棉花糖女孩的溫柔角落
💖穿上自信與柔軟，擁抱最真實的曲線
👗主打日韓溫柔簡約感 · 氣質碎花系
🫶🏻希望讓每位棉花糖女生穿著後都可變得美美💁🏼‍♀️✨
📥歡迎查詢📞落單

# Product Categories
- ☁️ 棉花糖企劃專欄
- ☁️ 棉花糖企劃專欄 > ☕️🤎 微涼秋意・微肉顯瘦
- ☁️ 棉花糖企劃專欄 > 💼💻 棉花糖上班穿搭
- ☁️ 棉花糖企劃專欄 > 🙋🏼‍♀️💖 店主私心推介
- ☁️ 棉花糖企劃專欄 > 🥂🥐 週末約會提案
- ☁️ 棉花糖企劃專欄 > 🧊🌬️ 涼感盛夏系列
- ✨ NEW新品上市
- 🌟 風格穿搭提案
- 🌟 風格穿搭提案 > 🌸☁️ 初夏 · 溫柔絮語
- 🌟 風格穿搭提案 > 🌿☕️ 極簡 · 質感日常
- 🌟 風格穿搭提案 > 🍁🍂 早秋・微涼絮語
- 🍁初秋膠囊衣櫥 · 自由配搭組合
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > ☀️最後夏日．週末出走組
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > ☀️最後夏日．週末出走組 > 👚 短袖上衣
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > ☀️最後夏日．週末出走組 > 🩳 短褲 / 短裙
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > 🍁完美初秋膠囊組
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > 🍁完美初秋膠囊組 > 👖👗 長褲 / 長裙
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > 🍁完美初秋膠囊組 > 👚 短袖上衣
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > 🍁完美初秋膠囊組 > 👚長袖上衣
- 🍁初秋膠囊衣櫥 · 自由配搭組合 > 🍁完美初秋膠囊組 > 🧥 外套

# Social Media
- Facebook: https://www.facebook.com/1051071631427395

# Policies
- Return policy: https://marshmallowclosethk.boutir.com/returnpolicy
- Terms: https://marshmallowclosethk.boutir.com/terms
- Privacy: https://marshmallowclosethk.boutir.com/privacy

# UCP
- Discovery profile: https://marshmallowclosethk.boutir.com/.well-known/ucp

Is marshmallowclosethk.boutir.com 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/marshmallowclosethk.boutir.com)](https://ucpchecker.com/status/marshmallowclosethk.boutir.com)

Questions

Can UCP agents buy from marshmallowclosethk.boutir.com?

Through its REST and MCP services, an agent can search the catalogue, build a cart and start a checkout. This is what the store declares and what our check reached; an observed agent run shows how far an agent actually gets.

Is marshmallowclosethk.boutir.com ready for UCP agents?

marshmallowclosethk.boutir.com publishes a valid UCP profile and scores 95/100 (grade A). 1 thing to fix: 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. marshmallowclosethk.boutir.com's is 4.3 KB, written for UCP 2026-08-25. What goes in a UCP profile.

How was marshmallowclosethk.boutir.com 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.