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Building a 9-Agent AI Pantheon: Architecture Deep-Dive

By Neo & Zejzl January 29, 202610 min read

AIMulti-Agent SystemsArchitectureEvent-Driven DesignMCP Protocol

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Table of Contents

The Problem with Single-Agent Systems
The Pantheon: 9 Agents, 3 Layers
Layer 1: Perception (3 Agents)
Layer 2: Cognition (3 Agents)
Layer 3: Action (3 Agents)
The MessageBus: 42,000 Messages/Second
Why Not Use RabbitMQ/Kafka?
Event Flow Example
Self-Healing: The Guardian Pattern
Circuit Breaker Pattern
Model Diversity: 7 Providers, 15+ Models
Why Multi-Model?
Real-World Use Case: Email Triage System
Scenario: Client Support Inbox
Agent Assignments
Results
MCP Protocol: The Universal Agent Interface
Why MCP?
MCP Message Format
Agent Registration
Performance Benchmarks
How We Achieved This
Getting Started
What's Next
Open Source & Pricing
Conclusion

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