Head to head, rubric v2.3.0
Stripe is 8 points more agent-ready than Ucp (69/100 against 61/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
Stripe 100%
Ucp 92%
Content legibility
Stripe 85%
Ucp 88%
Discovery surface
Stripe 45%
Ucp 40%
Identity & policy
Stripe 67%
Ucp 0%
Agent-facing performance
Stripe 75%
Ucp 100%
Agent protocols
Stripe 0%
Ucp 0%
Catalogue access
Stripe 100%
Ucp 100%
Product data legibility
Stripe 0%
Ucp 0%
Agent-commerce protocols
Stripe 15%
Ucp 0%
Checkout traversability
Stripe 60%
Ucp 60%
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