UCP status report
shop.onsiteontime.com
shop.onsiteontime.com publishes a valid UCP profile. That is what it declares. An observed agent run shows how far an agent actually gets.
BigcommerceREST, MCPHTTP 200 in 390 msrelease 2026-04-08
UCP Score→
92/100
grade A · ready for UCP agents
To fix→
6
nothing breaks the spec
Passed
12
checks
Checked
17 Oct
04:16 UTC · public requests
Discovery
To fix
The profile has no ETag or Last-Modified header
Spec level: SHOULD. Not part of the UCP Score. How to fix →
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
ucp.version
Move to the latest UCP protocol version
ucp.version
Your profile declares a valid but older protocol version. A newer one is published. How to fix →
OK
ucp
Profile passes schema validation
ucp
No structural errors
OK
ucp.version
Protocol version present and well-formed
ucp.version
Version: 2026-04-08
OK
keys
Public keys published
keys
Keys published at the top level
OK
ucp
No validation warnings
ucp
No outstanding validation issues
Services
OK
capabilities
Capabilities declared
capabilities
3 of 6 capability families detected: Checkout, Cart Management, Order Management. A family counts once however many namespaces or extensions declare it.
OK
shopping.checkout
Checkout capability
shopping.checkout
dev.ucp.shopping.checkout detected
OK
services
Transports declared
services
REST, MCP
OK
payment_handlers
Payment handlers
payment_handlers
1 handler registered
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. How to fix →
To fix
/llms.txt
Publish a /llms.txt brand brief
/llms.txt
No /llms.txt file detected at the root of your domain. How to fix →
To fix
/sitemap.xml
To fix
og: meta
Add Open Graph meta tags to the homepage
og: meta
OG tags missing or incomplete on your homepage. How to fix →
OK
meta viewport
Mobile viewport meta
meta viewport
<meta name="viewport"> present
Check trace
How shop.onsiteontime.com 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
4 requests · 390 ms at the store · public requests only
4 requests · 390 ms at the store · public requests only
-
Finding the profileOpen
-
Acting for the buyerNot offered
-
In the buyer's browserNot offered
-
Calling its servicesDeclared
-
Sending the buyer to the websiteNot declared
UCP Checkerpublic requests
- 2 requestsFinding the profile/.well-known/ucp · 200
- read from profileActing for the buyernot declared
- read from profileIn the buyer's browsernot declared
- not calledCalling its servicesREST, MCP · declared · 0 tools
- read from profileSending to the websitenot declared
- 2 requestsOutside UCPhomepage · /llms.txt
Open
01 · Finding the profile2 requests
Served at /.well-known/ucp with 200 OK, 2.8 KB. 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 servicesnot called
The REST service is declared; not called by this check. 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 PROFILEGET /.well-known/ucp → 200, 2.8 KB of JSON390 ms
- 01 PROFILEGET /robots.txt → allows /.well-known/ucp–
- 01 PROFILEValid against the 2026-04-08 schema; keys publishedlocal
- OUTSIDE UCPGET / → 200, no Organization schema found–
- OUTSIDE UCPGET /llms.txt → 404, not found–
The tools shop.onsiteontime.com's MCP service listed when we asked (tools/list), grouped by the capability in its profile that calls for them. Struck through: expected but not listed.
Cartdev.ucp.shopping.cart
create_cartget_cartupdate_cartcancel_cart Checkoutdev.ucp.shopping.checkout
create_checkoutget_checkoutupdate_checkoutcomplete_checkoutcancel_checkout Orderdev.ucp.shopping.order
get_order Capabilities
5 declared, all at 2026-04-08
Cart
shopping.cart
Order Management
shopping.order
Checkout
shopping.checkout
Discountextension
shopping.discount
Fulfillmentextension
shopping.fulfillment
Payment handlers
1 declared
Google Pay
stripeupe.googlepay
UCP profile as served 5.9 KB · 148 lines
{
"ucp": {
"version": "2026-04-08",
"services": {
"dev.ucp.shopping": [
{
"version": "2026-04-08",
"endpoint": "https://shop.onsiteontime.com/api/ucp",
"transport": "rest"
},
{
"version": "2026-04-08",
"endpoint": "https://shop.onsiteontime.com/api/ucp/mcp",
"transport": "mcp"
}
]
},
"capabilities": {
"dev.ucp.shopping.cart": [
{
"spec": "https://ucp.dev/specification/cart",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/cart.json",
"version": "2026-04-08"
}
],
"dev.ucp.shopping.order": [
{
"spec": "https://ucp.dev/specification/order",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/order.json",
"version": "2026-04-08"
}
],
"dev.ucp.shopping.checkout": [
{
"spec": "https://ucp.dev/specification/checkout",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/checkout.json",
"version": "2026-04-08"
}
],
"dev.ucp.shopping.discount": [
{
"spec": "https://ucp.dev/2026-04-08/specification/discount",
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/discount.json",
"extends": [
"dev.ucp.shopping.checkout"
],
"version": "2026-04-08"
}
],
"dev.ucp.shopping.fulfillment": [
{
"spec": "https://ucp.dev/specification/fulfillment",
"config": {
"allows_multi_destination": {
"shipping": true
},
"allows_method_combinations": [
[
"shipping"
]
]
},
"schema": "https://ucp.dev/2026-04-08/schemas/shopping/fulfillment.json",
"extends": [
"dev.ucp.shopping.checkout"
],
"version": "2026-04-08"
}
]
},
"payment_handlers": {
"com.google.pay": [
{
"id": "stripeupe.googlepay",
"spec": "https://pay.google.com/gp/p/ucp/2026-01-11/",
"config": {
"api_version": 2,
"environment": "PRODUCTION",
"merchant_info": {
"merchant_id": "17070464583508881789",
"merchant_name": "On-Site Supply",
"merchant_origin": "store-nhpbiey9x2.mybigcommerce.com"
},
"api_version_minor": 0,
"allowed_payment_methods": [
{
"type": "CARD",
"parameters": {
"allowed_auth_methods": [
"PAN_ONLY",
"CRYPTOGRAM_3DS"
],
"allowed_card_networks": [
"VISA",
"MASTERCARD",
"AMEX",
"DISCOVER"
],
"billing_address_required": true,
"billing_address_parameters": {
"format": "FULL",
"phone_number_required": true
}
},
"tokenization_specification": {
"type": "PAYMENT_GATEWAY",
"parameters": {
"gateway": "stripe",
"stripe:version": "2017-02-14",
"stripe:publishableKey": "pk_live_51PU68qE2FHp6RFziKv2T8pELfnowzd5w6E9LFwh15dGJcNw1ViQWDneyLk1GXq35Es05ErCX0kdLgaPtsAdiVLpx00aCfWXrof"
}
}
}
]
},
"schema": "https://pay.google.com/gp/p/ucp/2026-01-11/schemas/config.json",
"version": "2026-01-11",
"config_schema": "https://pay.google.com/gp/p/ucp/2026-01-11/schemas/config.json",
"instrument_schemas": [
"https://pay.google.com/gp/p/ucp/2026-01-11/schemas/card_payment_instrument.json"
]
}
]
}
},
"keys": [
{
"x": "dUN39HSHAbs2s82_qAygkBfEDSphTpLHxKirlo1HcPs",
"y": "In0TWPz_caAlu5Dv0Aa9CUAQHXRtng_AJaYZQwDmwjs",
"alg": "ES256",
"crv": "P-256",
"kid": "key1",
"kty": "EC",
"use": "sig"
}
],
"signing_keys": [
{
"x": "dUN39HSHAbs2s82_qAygkBfEDSphTpLHxKirlo1HcPs",
"y": "In0TWPz_caAlu5Dv0Aa9CUAQHXRtng_AJaYZQwDmwjs",
"alg": "ES256",
"crv": "P-256",
"kid": "key1",
"kty": "EC",
"use": "sig"
}
]
}
Is shop.onsiteontime.com your store?
Claim it with one DNS record.
[](https://ucpchecker.com/status/shop.onsiteontime.com)
Can UCP agents buy from shop.onsiteontime.com?
Through its REST and MCP services, an agent can 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 shop.onsiteontime.com ready for UCP agents?
shop.onsiteontime.com publishes a valid UCP profile and scores 92/100 (grade A). 6 things to fix: the profile has no ETag or Last-Modified header, publish Organization schema (JSON-LD) on the homepage, move to the latest UCP protocol version and publish a /llms.txt brand brief.
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. shop.onsiteontime.com's is 2.8 KB, written for UCP 2026-04-08. What goes in a UCP profile.How was shop.onsiteontime.com checked?
With public requests on 17 Oct 2026: we read
/.well-known/ucp and robots.txt, validated the profile against UCP 2026-04-08, checked that its spec and schema links resolve. No sign-in and no purchase. How we check.