Head to head, rubric v2.3.0
Ucp is 11 points more agent-ready than Paypal (61/100 against 50/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
Ucp 92%
Paypal 100%
Content legibility
Ucp 88%
Paypal 23%
Discovery surface
Ucp 40%
Paypal 45%
Identity & policy
Ucp 0%
Paypal 25%
Agent-facing performance
Ucp 100%
Paypal 100%
Agent protocols
Ucp 0%
Paypal 0%
Catalogue access
Ucp 100%
Paypal 100%
Product data legibility
Ucp 0%
Paypal 0%
Agent-commerce protocols
Ucp 15%
Paypal 0%
Checkout traversability
Ucp 60%
Paypal 60%
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