UCP Checker
Check for Universal Commerce Protocol discovery metadata at /.well-known/ucp.json.
Probes for UCP discovery metadata. The Universal Commerce Protocol is Google's open standard covering the agentic shopping journey — cart, checkout, identity and orders. Only a storefront participating in it publishes anything here.
This is one of the checks the AI Agent Readiness Checker scores under Agentic Commerce, and it can also be run on its own for any URL.
Experimental · Based on: Universal Commerce Protocol (UCP)
About this validation
Experimental / emerging conventionProbes for Universal Commerce Protocol discovery metadata. UCP is Google's open standard for agentic commerce, published outside a formal standards body and still early.
- Protocol / standard:
- Rules reviewed:
- Nov 11, 2026
Standards and vendor-documented behavior can change. This reflects the source as last reviewed above, not a permanent guarantee.