TLDR Tech / DevOps
Diagnose EKS Node Issues Faster with AWS DevOps Agent and Custom MCP
AWS released a custom Model Context Protocol (MCP) server that extends its DevOps Agent's autonomous troubleshooting capabilities to EKS worker nodes, giving it structured access to 20+ node-level diagnostic sources like iptables rules, kernel logs, and CNI configuration through AWS Systems Manager automation. The open-source reference implementation successfully diagnosed a fault-injected DNS failure by autonomously collecting node diagnostics, comparing against healthy nodes, and identifying the root cause—iptables DROP rules blocking pod traffic—without requiring manual SSH sessions.
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