Built an AI Agent That Wrecked My Prod Database. Here's How I Fixed That

Let me paint you a picture. It's 2 AM. Your AI coding agent is "just fixing a small bug." You wake up to 47 Slack notifications, a corrupted database, and a $340 bill from your cloud provider for whatever chaos it spun up overnight. Sound familiar? No? Just me? Cool, cool. Here's the thing nobody talks about when they hype up AI agents: isolation is the unsolved problem. Everyone's focused on making agents smarter. Nobody's focused on making them safe to actually run. The Dirty Secret of AI Agent Infrastructure When you let an AI agent execute code, browse the web, run terminal commands, or interact with APIs, you're handing it keys to your kingdom. Most devs handle this one of three ways: Run it locally and pray it doesn't nuke something important ☠️ Use your existing cloud and get surprise bills + security nightmares Pay for sandboxing services and bleed money at scale Option 3 sounds great until you look at the pricing. E2B, the most popular sandbox provider, charges in ways that ab