# The engineers behind Claude Code just published a 5-page PDF on loop engineer...
Canonical: https://social-archive.org/yena/20DfsfqhIi
Original URL: https://x.com/LunarResearcher/status/2072322799939805269
Author: Lunar
Platform: x
## Content
The engineers behind Claude Code just published a 5-page PDF on loop engineering for LLM code They run the model through 5 loops: compile errors, static analysis, tests, fixes, and reruns Every pass makes the code cleaner Not prompt tricks Not vibe coding A real workflow you can drop into your own setup today The whole thing is written step by step Read it, then check the article below Worth every second