UCP Checker
UCP status report

ucp-agent.imweb.me

Verified

ucp-agent.imweb.me publishes a valid UCP profile. That is what it declares. An observed agent run shows how far an agent actually gets.

CustomRESTHTTP 200 in 322 msrelease 2026-08-25

Changed something? Run a live check now.
UCP Score 93/100 grade A · ready for UCP agents To fix 2 nothing breaks the spec
Passed 16 checks
Checked 5 Nov 04:42 UTC · signed public requests

Findings

16 passed · 2 to fix
Discovery
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
Fix broken spec or schema URLs
spec, schema
One or more spec/schema URLs declared in the profile do not resolve.
spec, schema
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
OK
Public keys published
keys
Keys published at the top level
keys
OK
No validation warnings
ucp
No outstanding validation issues
ucp
Services
Problem
Make declared services answer with UCP
ucp.services
https://gateway-brand.imwebapis.com/ucp/gateway/ucp/v1/sites/S202610269da51b1d2cca2 answered search_catalog with HTTP 400, not a UCP response.
ucp.services
OK
Capabilities declared
capabilities
5 of 6 capability families detected: Checkout, Identity Linking, Cart Management, Order Management, Catalog. A family counts once however many namespaces or extensions declare it.
capabilities
OK
Checkout capability
shopping.checkout
dev.ucp.shopping.checkout detected
shopping.checkout
OK
Transports declared
services
REST
services
OK
Payment handlers
payment_handlers
1 handler registered
payment_handlers
Outside UCP
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
Organization schema (JSON-LD)
JSON-LD
Organization-typed JSON-LD detected
JSON-LD
OK
Mobile viewport meta
meta viewport
<meta name="viewport"> present
meta viewport
Check trace

How ucp-agent.imweb.me answered our check

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

2 of 5 open
6 requests · 5.81 s at the store · signed requests
  1. Finding the profile
    Open
  2. Acting for the buyer
    Offered
  3. In the buyer's browser
    Not offered
  4. Calling its services
    No answer
  5. 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
  • read from profileActing for the buyerdeclared
  • read from profileIn the buyer's browsernot declared
  • Calling its servicesREST · no answer
  • read from profileSending to the websitenot declared
  • Outside UCPhomepage · /llms.txt
  • Checked its linksspec · schemas · handlers
Open
01 · Finding the profile2 requests
Served at /.well-known/ucp with 200 OK, 3.6 KB. robots.txt allows /.well-known/ucp.
Offered
02 · Acting for the buyerread from profile
Identity linking is declared.
Not offered
03 · In the buyer's browserread from profile
No Embedded service is declared.
No answer
04 · Calling its services1 request
The REST service answered search_catalog with HTTP 400, not a UCP response.
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 profile2 requests · 404 Not Found · 200 OK666 ms
GET /robots.txt 404 Not Found 338 ms

Nothing at this address.

  • DNS 0 ms
  • Connect 4 ms
  • TLS 47 ms
  • Wait 286 ms
  • Download 0 ms
URL
https://ucp-agent.imweb.me/robots.txt
Server
18.173.219.107
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
AmazonS3
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=300
GET /.well-known/ucp 200 OK 3.6 KB · application/json 322 ms

Answered.

  • DNS 0 ms
  • Connect 2 ms
  • TLS 60 ms
  • Wait 259 ms
  • Download 0 ms
URL
https://ucp-agent.imweb.me/.well-known/ucp
Server
18.173.219.91
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
CloudFront
Got content-type
application/json; charset=utf-8
Got cache-control
public, max-age=300
04 · Calling its services1 request · 400 Bad Request883 ms
POST gateway-brand.imwebapis.com/ucp/gateway/ucp/v1/sites/S202610269da51b1d2cca2/catalog/search 400 Bad Request 883 ms

Refused (400 Bad Request).

  • DNS 0 ms
  • Connect 218 ms
  • TLS 434 ms
  • Wait 229 ms
  • Download 0 ms
URL
https://gateway-brand.imwebapis.com/ucp/gateway/ucp/v1/sites/S202610269da51b1d2cca2/catalog/search
Server
3.36.246.120
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
istio-envoy
Got content-type
application/json; charset=utf-8
Outside UCP · its other files3 requests · 3 × 200 OK1,004 ms
GET /sitemap.xml 200 OK 4.4 KB · application/xml 570 ms

Answered.

  • DNS 0 ms
  • Connect 112 ms
  • TLS 175 ms
  • Wait 282 ms
  • Download 0 ms
URL
https://ucp-agent.imweb.me/sitemap.xml
Server
18.173.219.91
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
CloudFront
Got content-type
application/xml
GET /llms.txt 200 OK 74 B · text/plain 614 ms

Answered.

  • DNS 0 ms
  • Connect 58 ms
  • TLS 226 ms
  • Wait 329 ms
  • Download 0 ms
URL
https://ucp-agent.imweb.me/llms.txt
Server
18.173.219.91
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
CloudFront
Got content-type
text/plain;charset=utf-8
GET / 200 OK 791.3 KB · text/html 1,002 ms

Answered.

  • DNS 0 ms
  • Connect 0 ms
  • TLS 281 ms
  • Wait 366 ms
  • Download 352 ms
URL
https://ucp-agent.imweb.me/
Server
18.173.219.91
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
CloudFront
Got content-type
text/html; charset=utf-8
Got cache-control
no-cache, must-revalidate
Links in the profile · spec, schemas, handlers30 requests · 8 × 301 Moved Permanently · 19 × 200 OK · 3 × 404 Not Found1,767 ms
GET ucp.dev/2026-08-25/specification/overview 301 Moved Permanently → ucp.dev/2026-08-25/specification/overview/ 1,293 ms

Redirected to https://ucp.dev/2026-08-25/specification/overview/.

  • DNS 0 ms
  • Connect 16 ms
  • TLS 1,227 ms
  • Wait 49 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/overview
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/overview/
GET ucp.dev/2026-08-25/specification/shopping/catalog/search 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/catalog/search/ 1,293 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/catalog/search/.

  • DNS 0 ms
  • Connect 122 ms
  • TLS 1,124 ms
  • Wait 45 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/catalog/search
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/catalog/search/
GET ucp.dev/2026-08-25/specification/shopping/cart 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/cart/ 1,293 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/cart/.

  • DNS 0 ms
  • Connect 342 ms
  • TLS 914 ms
  • Wait 35 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/cart
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/cart/
GET ucp.dev/2026-08-25/specification/shopping/checkout 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/checkout/ 1,293 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/checkout/.

  • DNS 0 ms
  • Connect 459 ms
  • TLS 803 ms
  • Wait 30 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/checkout
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/checkout/
GET ucp.dev/2026-08-25/schemas/shopping/catalog_search.json 200 OK 2.6 KB · application/json 1,302 ms

Answered.

  • DNS 0 ms
  • Connect 178 ms
  • TLS 1,070 ms
  • Wait 52 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/catalog_search.json
Server
185.199.111.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/catalog/lookup 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/catalog/lookup/ 1,302 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/catalog/lookup/.

  • DNS 0 ms
  • Connect 234 ms
  • TLS 1,017 ms
  • Wait 50 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/catalog/lookup
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/catalog/lookup/
GET ucp.dev/2026-08-25/schemas/shopping/cart.json 200 OK 4.9 KB · application/json 1,302 ms

Answered.

  • DNS 0 ms
  • Connect 405 ms
  • TLS 854 ms
  • Wait 42 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/cart.json
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/ 1,304 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/.

  • DNS 0 ms
  • Connect 565 ms
  • TLS 702 ms
  • Wait 36 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/
GET ucp.dev/2026-08-25/specification/shopping/order 301 Moved Permanently → ucp.dev/2026-08-25/specification/shopping/order/ 1,304 ms

Redirected to https://ucp.dev/2026-08-25/specification/shopping/order/.

  • DNS 0 ms
  • Connect 672 ms
  • TLS 600 ms
  • Wait 31 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/order
Server
185.199.108.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/shopping/order/
GET ucp.dev/2026-08-25/schemas/shopping/checkout.json 200 OK 4.8 KB · application/json 1,308 ms

Answered.

  • DNS 0 ms
  • Connect 512 ms
  • TLS 752 ms
  • Wait 42 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/checkout.json
Server
185.199.108.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json 200 OK 8.5 KB · application/json 1,314 ms

Answered.

  • DNS 0 ms
  • Connect 286 ms
  • TLS 968 ms
  • Wait 59 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/catalog_lookup.json
Server
185.199.111.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/schemas/shopping/fulfillment.json 200 OK 14.6 KB · application/json 1,314 ms

Answered.

  • DNS 0 ms
  • Connect 618 ms
  • TLS 652 ms
  • Wait 43 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/common/identity-linking 301 Moved Permanently → ucp.dev/2026-08-25/specification/common/identity-linking/ 1,317 ms

Redirected to https://ucp.dev/2026-08-25/specification/common/identity-linking/.

  • DNS 0 ms
  • Connect 1,030 ms
  • TLS 257 ms
  • Wait 28 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/common/identity-linking
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html
Got cache-control
max-age=600
Got location
https://ucp.dev/2026-08-25/specification/common/identity-linking/
GET ucp.dev/2026-08-25/schemas/shopping/order.json 200 OK 4.1 KB · application/json 1,321 ms

Answered.

  • DNS 0 ms
  • Connect 732 ms
  • TLS 543 ms
  • Wait 44 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/shopping/order.json
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/overview/ 200 OK 555.6 KB · text/html 19 ms

Answered.

  • DNS 0 ms
  • Wait 5 ms
  • Download 13 ms
URL
https://ucp.dev/2026-08-25/specification/overview/
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/schemas/common/identity_linking.json 200 OK 7.5 KB · application/json 1,323 ms

Answered.

  • DNS 0 ms
  • Connect 1,082 ms
  • TLS 209 ms
  • Wait 32 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/schemas/common/identity_linking.json
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/common/identity-linking/ 200 OK 201.5 KB · text/html 3 ms

Answered.

  • DNS 0 ms
  • Wait 2 ms
  • Download 0 ms
URL
https://ucp.dev/2026-08-25/specification/common/identity-linking/
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/services/shopping/rest.openapi.json 200 OK 39.2 KB · application/json 1,334 ms

Answered.

  • DNS 0 ms
  • Connect 70 ms
  • TLS 1,174 ms
  • Wait 68 ms
  • Download 20 ms
URL
https://ucp.dev/2026-08-25/services/shopping/rest.openapi.json
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
application/json; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/catalog/search/ 200 OK 88.1 KB · text/html 132 ms

Answered.

  • DNS 0 ms
  • Wait 74 ms
  • Download 57 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/catalog/search/
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/cart/ 200 OK 134.2 KB · text/html 135 ms

Answered.

  • DNS 0 ms
  • Wait 27 ms
  • Download 108 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/cart/
Server
185.199.111.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET kucp.kakao.com/2026-10-27/specification/shopping/extensions/add-ons 404 Not Found 1,471 ms

Nothing at this address.

  • DNS 0 ms
  • Connect 794 ms
  • TLS 483 ms
  • Wait 192 ms
  • Download 0 ms
URL
https://kucp.kakao.com/2026-10-27/specification/shopping/extensions/add-ons
Server
121.53.223.107
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
text/html
GET kucp.kakao.com/2026-10-27/schemas/common/payment_handoff.json 200 OK 7.0 KB · application/json 1,485 ms

Answered.

  • DNS 0 ms
  • Connect 971 ms
  • TLS 314 ms
  • Wait 199 ms
  • Download 0 ms
URL
https://kucp.kakao.com/2026-10-27/schemas/common/payment_handoff.json
Server
211.242.14.141
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
application/json
GET ucp.dev/2026-08-25/specification/shopping/checkout/ 200 OK 315.8 KB · text/html 206 ms

Answered.

  • DNS 0 ms
  • Wait 51 ms
  • Download 154 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/checkout/
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/catalog/lookup/ 200 OK 102.5 KB · text/html 205 ms

Answered.

  • DNS 0 ms
  • Wait 32 ms
  • Download 172 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/catalog/lookup/
Server
185.199.110.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET kucp.kakao.com/2026-10-27/specification/payment/handlers/kakaopay 404 Not Found 1,528 ms

Nothing at this address.

  • DNS 0 ms
  • Connect 1,133 ms
  • TLS 200 ms
  • Wait 194 ms
  • Download 0 ms
URL
https://kucp.kakao.com/2026-10-27/specification/payment/handlers/kakaopay
Server
121.53.223.107
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
text/html
GET kucp.kakao.com/2026-10-27/specification/payment/extensions/handoff 404 Not Found 1,533 ms

Nothing at this address.

  • DNS 0 ms
  • Connect 911 ms
  • TLS 371 ms
  • Wait 249 ms
  • Download 0 ms
URL
https://kucp.kakao.com/2026-10-27/specification/payment/extensions/handoff
Server
211.242.14.141
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
text/html
GET ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/ 200 OK 272.4 KB · text/html 281 ms

Answered.

  • DNS 0 ms
  • Wait 58 ms
  • Download 222 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment/
Server
185.199.111.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET ucp.dev/2026-08-25/specification/shopping/order/ 200 OK 237.8 KB · text/html 335 ms

Answered.

  • DNS 0 ms
  • Wait 34 ms
  • Download 301 ms
URL
https://ucp.dev/2026-08-25/specification/shopping/order/
Server
185.199.109.153
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got server
GitHub.com
Got content-type
text/html; charset=utf-8
Got cache-control
max-age=600
GET kucp.kakao.com/2026-10-27/schemas/payment/kakaopay.json 200 OK 6.8 KB · application/json 1,678 ms

Answered.

  • DNS 0 ms
  • Connect 1,182 ms
  • TLS 249 ms
  • Wait 245 ms
  • Download 0 ms
URL
https://kucp.kakao.com/2026-10-27/schemas/payment/kakaopay.json
Server
211.249.249.13
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
application/json
GET kucp.kakao.com/2026-10-27/schemas/shopping/add_ons.json 200 OK 11.1 KB · application/json 1,764 ms

Answered.

  • DNS 0 ms
  • Connect 854 ms
  • TLS 426 ms
  • Wait 244 ms
  • Download 239 ms
URL
https://kucp.kakao.com/2026-10-27/schemas/shopping/add_ons.json
Server
211.249.249.13
Sent user-agent
UCPCheckerBot/1.0 (+https://ucpchecker.com/methodology)
Sent accept
application/json, application/schema+json, */*
Sent signature-agent
"https://ucpchecker.com"
Sent signature
Web Bot Auth (RFC 9421)
Got content-type
application/json
  1. 01 PROFILEValid against the 2026-08-25 schema; keys published

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

Capabilities

9 declared
Cart 2026-08-25dev.ucp.shopping.cart
REST
Order Management 2026-08-25dev.ucp.shopping.order
REST
Checkout 2026-08-25dev.ucp.shopping.checkout
REST
Fulfillmentextension 2026-08-25dev.ucp.shopping.fulfillment
REST
Com Kakao Kucp Shopping Add Onsvendor 2026-10-27com.kakao.kucp.shopping.add_ons
REST
Identity Linking 2026-08-25dev.ucp.common.identity_linking
Catalog Lookup 2026-08-25dev.ucp.shopping.catalog.lookup
REST
Catalog Search 2026-08-25dev.ucp.shopping.catalog.search
REST
Com Kakao Kucp Common Payment Handoffvendor 2026-10-27com.kakao.kucp.common.payment.handoff
REST

Payment handlers

1 declared
Kakaopay kakaopay

REST

13 operations the spec defines · 1 called
Endpointhttps://gateway-brand.imwebapis.com/ucp/gateway/ucp/v1/sites/S202610269da51b1d2cca2

The operations the UCP spec defines for each capability in the profile, appended to the endpoint. REST has no list call, so we can only say what our check called.

Catalog searchdev.ucp.shopping.catalog.search
POST/catalog/searchCalled · no UCP response 400 Bad Request · not a UCP response · 883 ms
Catalog lookupdev.ucp.shopping.catalog.lookup
Not part of our public check.
POST/catalog/lookupDeclared, not called
POST/catalog/productDeclared, not called
Cartdev.ucp.shopping.cart
We don't call these: they change state.
POST/cartsDeclared, not called
GET/carts/{id}Declared, not called
PUT/carts/{id}Declared, not called
POST/carts/{id}/cancelDeclared, not called
Checkoutdev.ucp.shopping.checkout
We don't call these: they change state.
POST/checkout-sessionsDeclared, not called
GET/checkout-sessions/{id}Declared, not called
PUT/checkout-sessions/{id}Declared, not called
POST/checkout-sessions/{id}/completeDeclared, not called
POST/checkout-sessions/{id}/cancelDeclared, not called
Orderdev.ucp.shopping.order
Not part of our public check.
GET/orders/{id}Declared, not called
Also declared, with no operations of their own
Fulfillmentdev.ucp.shopping.fulfillment
Extends checkout. No operations of its own.
Com kakao kucp shopping add onscom.kakao.kucp.shopping.add_ons
The platform's own capability, outside the UCP spec. Extends catalog search and catalog lookup and cart and checkout and order.
Com kakao kucp common payment handoffcom.kakao.kucp.common.payment.handoff
The platform's own capability, outside the UCP spec. Extends checkout.
UCP profile as served 3.6 KB as served · 164 lines
{
    "ucp": {
        "version": "2026-08-25",
        "services": {
            "dev.ucp.shopping": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/overview",
                    "transport": "rest",
                    "endpoint": "https://gateway-brand.imwebapis.com/ucp/gateway/ucp/v1/sites/S202610269da51b1d2cca2",
                    "schema": "https://ucp.dev/2026-08-25/services/shopping/rest.openapi.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"
                }
            ],
            "dev.ucp.shopping.cart": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/cart",
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/cart.json"
                }
            ],
            "dev.ucp.shopping.checkout": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/checkout",
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/checkout.json"
                }
            ],
            "dev.ucp.shopping.fulfillment": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/extensions/fulfillment",
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/fulfillment.json",
                    "config": {
                        "method_combinations": [
                            [
                                "shipping"
                            ]
                        ]
                    },
                    "extends": [
                        "dev.ucp.shopping.checkout"
                    ]
                }
            ],
            "dev.ucp.shopping.order": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/shopping/order",
                    "schema": "https://ucp.dev/2026-08-25/schemas/shopping/order.json"
                }
            ],
            "com.kakao.kucp.shopping.add_ons": [
                {
                    "version": "2026-10-27",
                    "spec": "https://kucp.kakao.com/2026-10-27/specification/shopping/extensions/add-ons",
                    "schema": "https://kucp.kakao.com/2026-10-27/schemas/shopping/add_ons.json",
                    "extends": [
                        "dev.ucp.shopping.catalog.search",
                        "dev.ucp.shopping.catalog.lookup",
                        "dev.ucp.shopping.cart",
                        "dev.ucp.shopping.checkout",
                        "dev.ucp.shopping.order"
                    ]
                }
            ],
            "com.kakao.kucp.common.payment.handoff": [
                {
                    "version": "2026-10-27",
                    "spec": "https://kucp.kakao.com/2026-10-27/specification/payment/extensions/handoff",
                    "schema": "https://kucp.kakao.com/2026-10-27/schemas/common/payment_handoff.json",
                    "extends": [
                        "dev.ucp.shopping.checkout"
                    ]
                }
            ],
            "dev.ucp.common.identity_linking": [
                {
                    "version": "2026-08-25",
                    "spec": "https://ucp.dev/2026-08-25/specification/common/identity-linking",
                    "schema": "https://ucp.dev/2026-08-25/schemas/common/identity_linking.json",
                    "config": {
                        "providers": {
                            "com.kakao.sync": [
                                {
                                    "type": "kakao_sync",
                                    "app_key": "57302999aec1742dfef181bd5f84cee0",
                                    "required_consent_items": [
                                        "profile_nickname",
                                        "account_email",
                                        "id"
                                    ]
                                }
                            ]
                        },
                        "scopes": {
                            "dev.ucp.shopping.cart:manage": {
                                "description": {
                                    "plain": "장바구니를 생성·조회·변경·취소하는 권한"
                                }
                            },
                            "dev.ucp.shopping.checkout:manage": {
                                "description": {
                                    "plain": "체크아웃 세션을 생성·조회·변경하고 상점 주문서로 이어가는 권한"
                                }
                            },
                            "dev.ucp.shopping.order:read": {
                                "description": {
                                    "plain": "주문 정보를 조회하는 권한"
                                }
                            },
                            "com.kakao.kucp.common.order_history:read": {
                                "description": {
                                    "plain": "구매 이력을 조회하는 권한"
                                }
                            }
                        }
                    }
                }
            ]
        },
        "payment_handlers": {
            "com.kakao.kucp.payment.kakaopay": [
                {
                    "id": "kakaopay",
                    "version": "2026-10-27",
                    "spec": "https://kucp.kakao.com/2026-10-27/specification/payment/handlers/kakaopay",
                    "schema": "https://kucp.kakao.com/2026-10-27/schemas/payment/kakaopay.json",
                    "available_instruments": [
                        {
                            "type": "wallet"
                        }
                    ]
                }
            ]
        }
    },
    "keys": [
        {
            "kid": "prod-business-signing-2026-10",
            "kty": "EC",
            "crv": "P-256",
            "x": "TardVshX7QByEL_358m2DWQPJ-dlhTs2c_XRH5WzWVM",
            "y": "WB-Ntnn5ufvizOtcA3E9BnBCzzVAQ4tuX7luxKANJQ8",
            "use": "sig",
            "alg": "ES256"
        }
    ]
}
/llms.txt as served 74 B
User-agent: * 
Allow: /  
Commercial-use: allowed
Research-use: allowed
Is ucp-agent.imweb.me your store?
Claim it with one DNS record.

Status badge

Markdown ·
[![UCP Status](https://ucpchecker.com/badge/ucp-agent.imweb.me)](https://ucpchecker.com/status/ucp-agent.imweb.me)

Questions

Can UCP agents buy from ucp-agent.imweb.me?
Through its REST service, 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 ucp-agent.imweb.me ready for UCP agents?
ucp-agent.imweb.me publishes a valid UCP profile and scores 93/100 (grade A). 2 things to fix: make declared services answer with UCP and fix broken spec or schema URLs.
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. ucp-agent.imweb.me's is 3.6 KB, written for UCP 2026-08-25. What goes in a UCP profile.
How was ucp-agent.imweb.me checked?
With public requests on 5 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.