Head to head, rubric v2.3.0
Brack is 7 points more agent-ready than Facebook (42/100 against 35/100). Both scores come from public HTTP responses only.
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Share of each check group passed
Machine access
Facebook 38%
Brack 63%
Content legibility
Facebook 19%
Brack 85%
Discovery surface
Facebook 50%
Brack 0%
Identity & policy
Facebook 25%
Brack 42%
Agent-facing performance
Facebook 100%
Brack 0%
Agent protocols
Facebook 0%
Brack 0%
Catalogue access
Facebook 0%
Brack 0%
Product data legibility
Facebook 13%
Brack 0%
Agent-commerce protocols
Facebook 0%
Brack 0%
Checkout traversability
Facebook 0%
Brack 0%
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