Running Claude Code out of the box is leaving a lot on the table. Here's the exact setup I use: Opus 4.7, extended thinking, 1M context, and a hook that makes every prompt leaner before it hits the model.
Claude 4.7 and the End of Prompt Engineering as We Knew It
The era of bag-of-tricks prompts is closing. The new bottleneck isn't writing the perfect sentence. It's engineering the right context. Notes from a year of building with agentic models.
