Essays and notes on AI, software engineering, developer tools, systems, and the shape of modern product building.
Antonio B De Castro

Two different languages, one shared philosophy: respect the developer’s time
Antonio B De Castro

What actually works, what’s still hype, and the mistakes everyone makes
Antonio B De Castro

The architecture that lets your team ship fastest is the right architecture, full stop
Antonio B De Castro

Python’s growth isn’t slowing—it’s accelerating with the LLM ecosystem as the engine
Antonio B De Castro

300+ MCP servers in three months—how an open protocol bootstrapped an entire integration ecosystem
Antonio B De Castro

Turso, LiteFS, and Litestream turned a local database into a distributed powerhouse
Antonio B De Castro

The largest single-year adoption jump in survey history, and nobody’s talking about it
Antonio B De Castro

The VS Code fork with AI baked into every interaction is surprisingly better than plugins bolted on after
Antonio B De Castro

C’s simplicity, Rust’s ambitions, but with a gentler learning curve than either
Antonio B De Castro

Anthropic’s MCP is doing for AI tool use what REST did for web APIs