Ciao Amici 👋
Grab your chai, because the robot accountant is back, and this time we have a moving-day story. If you read my last article, you know I built "The Accountant," a Bedrock Agent that reads my AWS bill every morning, emails me a color-coded report, and once famously reported its own existence to me as suspicious activity.
That article did well. It did so well, in fact, that it reached exactly the right person to tell me my beloved architecture was standing on borrowed ground. I remember the moment precisely: phone buzzing on the desk, a notification from Dev.to, me expecting another nice comment about the day 16 hallucination. Instead, a community manager from AWS, polite as anything: Bedrock Agents is heading into maintenance mode, consider rewriting this with AgentCore. A link to the announcement sat under it like a small landmine.
My stomach did the same thing it did the day I found the idle GPU endpoint. So I did what any of us would do: I read the announcement twice, once fast and once slowly, made more chai, and moved the whole thing. This is the complete story of that migration, box by box, with every line of code, what got easier, what got weirder, and what it cost. By the end, you will be able to move your own Classic agent in an afternoon.
