We are currently witnessing a massive shift in AI development. We’ve moved past the "Chatbot" era and into the era of Agentic Systems—AI that doesn’t just suggest text, but actually executes code, moves money, and modifies databases. However, there is a fundamental architectural flaw in how most agents are built today: we are giving "Intelligence" and "Authority" to the same probabilistic model.
I needed to coordinate background scripts running across different machines. The obvious answer was Redis. Everyone uses Redis for this. The tutorials all use Redis. The Stack Overflow answers all say "just use Redis." So I looked at what deploying Redis would actually cost me: A running Redis server I had to maintain A broker to connect workers to it Celery or RQ on top of that Memory-based stora
I was reading a Stripe tutorial last week and watched the author write amount: req.body.amount. That single line lets any user buy Premium for $1. It's also a common pattern in Stripe Checkout starter code. This post is about why, and how to make it impossible. You're building a paywalled product. You wire up Stripe Checkout, follow a popular tutorial, ship it. Looks great. Tests pass. Users are p