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Endigest AI Core Summary
This article guides developers through key AI agent protocols (MCP, A2A, UCP, AP2) by building a practical restaurant supply chain agent using Google's Agent Development Kit (ADK).
•Model Context Protocol (MCP) eliminates custom integration code by providing a standard connection pattern, letting agents auto-discover tools like PostgreSQL, Notion, and Mailgun via ADK's McpToolset.
•Agent2Agent (A2A) protocol standardizes inter-agent discovery and communication through Agent Cards published at /.well-known/agent-card.json, enabling runtime routing without redeployment.
•Universal Commerce Protocol (UCP) unifies the shopping lifecycle with strongly typed request/response schemas that work across REST, MCP, A2A, and embedded protocols.
•Agent Payments Protocol (AP2) addresses spending authorization, merchant approval records, and transaction limits for agent-initiated purchases.
This summary was automatically generated by AI based on the original article and may not be fully accurate.