Building Production-Ready Multi-Agent AI Systems on Amazon EKS: The Complete Step-by-Step Guide
Single AI agents are powerful. Multi-agent systems are transformative. This guide builds a complete, production-ready multi-agent AI system on Amazon EKS, the exact architecture used by financial services, healthcare, and enterprise SaaS teams in 2026. Five specialised agents (Customer, Payment, Fraud, Compliance, Customer Support), a Custom Agent Router, Bedrock Guardrails, RAG with OpenSearch, response verification, WAF protection, and human approval gates. Every component configured from scratch. Every line of code included.
What You Are Building
Look at the architecture diagram. Every component in it has a job, and they all work together to serve a user request safely, accurately, and at enterprise scale.
Here is the full data flow, before a single line of code:
User → App (mobile/web) → Route 53 (DNS lookup) → CloudFront (CDN, content closer to user) → WAF (blocks malicious traffic) → Cognito (authenticates user, issues token) → API Gateway (receives task + login token)...
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