Learn four powerful agentic frameworks to enhance your AI automation workflows using n8n in this 17-minute tutorial. Discover how to implement prompt chaining for sequential task processing, routing for intelligent decision-making pathways, parallelization for concurrent operations, and evaluator optimizer patterns for continuous improvement. Master these foundational frameworks whether you're beginning with AI automation or looking to scale existing agent implementations, with practical examples and step-by-step guidance for building more efficient and effective automated workflows.