A2A + MCP — The Two Protocols That Were the Actual Story of Google Cloud NEXT '26

This is a submission for the Google Cloud NEXT Writing Challenge Hey, I'm Saquib. I've been deep in the backend trenches for a couple of years now, mostly building out Node and Go microservices. Like pretty much every dev in 2026, I spent the last few months messing around with AI. Wiring LLMs into APIs. Breaking stuff. Fixing it. Getting a prototype working on the first try and immediately assuming something is horribly wrong. When Google Cloud NEXT '26 kicked off, I actually blocked out some c