@ichiorca

ucp-checkout-rest covers five rest operations (create, get, update, complete, cancel) on checkout sessions with required headers, idempotency handling, status state machine, and message-driven negotiation between business and platform agents.

ucp-checkout-mcp maps five checkout operations to MCP tools for AI agents. exposes create, get, update, complete, and cancel via JSON-RPC 2.0 with UCP profile negotiation and error mapping.

Implement UCP Checkout over the A2A (Agent-to-Agent) binding — enable autonomous agent-to-agent commerce using Agent Cards and structured message parts. Use...

Implement the UCP Buyer Consent extension — GDPR/CCPA consent collection, consent fields in checkout sessions, and privacy-compliant consent management. Use...

Implement UCP AP2 Mandates extension — cryptographic payment mandates for fully autonomous agent commerce using SD-JWT credentials, merchant authorization si...