An engineer coined a simple, three-step workflow called the "Brain Sandwich" to stop developers from outsourcing their entire job to AI while still taking full advantage of it. The core prescription is brain, AI, brain: start by using your own understanding to read the code or requirements and form a rough plan; next, hand the actual implementation work over to an AI assistant; finally, re-engage your judgment to vet and polish the result. This approach responds to worries about "meat proxy" behavior - delegating thinking to models - and aims to preserve engineering judgment and code quality.
Practically, that means never invoking an agent until you’ve absorbed the context and can recognize whether a proposed solution addresses the right problem. When AI produces code, treat it as a draft to be evaluated: read the diff, assess whether the complexity is warranted, and rewrite the PR description so reviewers can follow the reasoning. The working rule is strict and actionable: if you can’t explain what changed and why, the work isn’t ready for review. The framework turns AI into a productivity multiplier while forcing engineers to own problem framing and final acceptance.
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