Grow Your “Agentic Prompt” One Section at a Time

This series covers prompt patterns for agents that run in a loop: the agent builds something, measures it, improves it, and repeats the cycle the next day without a person supervising. Across this series I cover: How to grow a long prompt without it contradicting itself How to keep an agent from damaging the machine it runs on How to hand an agent a loop it can run without approvals How to let real usage tune an interface How to get creative output you don’t have to babysit How to make the loop improve its own prompts These patterns are for builders whose agent work looks like mine. I write prompts for Claude Code and hand them to an agent that works on its own for hours. My agents run across many sessions, so the prompt has to carry everything the next session needs to pick up the work. I patch my prompts constantly, and before I used these patterns each patch made the prompt longer and less coherent. These patterns pay off on the second and later cycles of a loop, so one-shot…