The four-layer playbook for agents that repeat the same mistake all night
blaizedsouza · x · 2026-11-15
A long thread from @beamnxw: your agent can spend all night repeating the same mistake, and the fix is rarely more prompting. The author lays out a four-layer engineering framework—Prompt, Context, Loop, and Harness—arguing you should identify which layer is failing before changing anything. The attached playbook walks through diagnosing each layer and what to fix, a practical reference for agent builders.
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