SMRTR ProgrammingJan 22, 2026DZone

Refactoring a Legacy React Monolith With Autonomous Coding Agents

SMRTR summary

A senior React developer shares how a multi-agent AI system using LangGraph and Claude 3.5 Sonnet transformed a legacy React monolith refactor from a three-month nightmare into a five-week project. Five specialized agents (Analyzer, Planner, Coder, Tester, Reviewer) work together to break down monolithic components, add proper routing, implement code splitting, and generate tests for cleaner, maintainable code.

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