The Power of Iteration
Unlike linear chains, LangGraph allows for **Cycles**. This means an agent can perform a task, check the result, and if it's not good enough, "Loop" back to try again. This is how you build agents that can self-correct, research deeper, or debug their own code.
Preventing Infinite Loops
When implementing cycles, it is critical to include a "Max Iterations" guardrail. LangGraph handles this by tracking the number of steps and allowing you to set a hard limit. This ensures that your agent remains efficient and doesn't get stuck in an endless reasoning loop.
Conclusion
Iteration leads to excellence. By mastering cycles and loops in LangGraph, you build agents that are persistent and thorough, ensuring they always deliver the highest quality results for your users and your business.