Oct 06, 2026

How AI Agents Pay: Checkout in ChatGPT and Google AI Mode — Sam Parsons, PayPal

Sam Parsons from PayPal Enterprise Payments explores three distinct ways merchants can accept payments initiated by AI agents: Instant Checkout in ChatGPT (Agentic Commerce Protocol), Google AI Mode (Universal Commerce Protocol), and a custom MCP app with an external checkout page. He details the technical flows, emphasizing tokenization for secure transactions and outlining the trade-offs between in-agent experiences and full merchant control.

Aug 02, 2026

MCP Apps: Extending the Frontier — Ido Salomon & Liad Yosef

MCP Apps transforms chat and coding assistant interactions from text-heavy responses into rich, interactive user interfaces, preserving brand identity and enhancing user experience. It allows services to send "UI atoms" directly into assistants like Claude and ChatGPT, enabling a "write once, run anywhere" model across a massive user base. This standard defines how hosts render web components, manage user interactions, and shifts control of the user journey to the agent, ushering in a new era of the agentic web.

May 06, 2026

MCP UI: Extending the frontier — Liad Yosef and Ido Salomon, MCP Apps

MCP Apps transform tools into interactive UI inside hosts like ChatGPT and VS Code. This summary covers the core architecture, the paradigm shift towards a 'new web' of composable UI, and the future of distributing applications in an agent-first world.