January 2026
Intermediate to advanced
568 pages
16h 57m
English
book
Agentic Architectural Patterns for Building Multi-Agent Systems
by Dr. Ali Arsanjani, Juan Pablo Bustos
Content preview from Agentic Architectural Patterns for Building Multi-Agent Systems
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14
Use Case: A Multi-Agent System for Loan Processing
In the previous chapter, we successfully built and tested a monolithic, single-agent system for processing loan applications. By leveraging the FCoT pattern and a robust set of tools, we constructed a Level 3 agent capable of orchestrating an entire workflow.
This single-agent architecture is a powerful and necessary milestone on the agentic maturity journey. It delivers end-to-end autonomous value and serves as the perfect foundation for what comes next.
However, as we analyzed the system's performance and considered the demands of a real-world production environment, we identified several architectural limitations inherent in the single-agent design:
- Cognitive overload and maintainability ...
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