llc.facet

ucp-shopping

Facet UCP Shopping

The independent agent-commerce protocol for AI-agent checkout on any online store.

Hosted
Streamable HTTPofficialservice

Deployment

Hosted
streamable-httphttps://api.facet.llc/ucp/mcp
Headers
Authorization
Optional Facet KYA bearer, an ES256 JWT from the default issuer https://issuer.facet.llc (or another issuer advertised at /.well-known/agents.txt KYA-Issuers). Not required for tools/list or catalog discovery; required for gated tools/call, per the endpoint's agents.txt (MCP-Auth: kya-bearer).