Notes

Quick thoughts and rough ideas — less polished than articles, possibly AI-assisted.

• 2026-04-02 node_cpu_seconds_total: The Infamous Cardinality Killer
• 2026-03-23 Agent-Friendly CLI Design
• 2026-03-12 MCP Code Mode vs Subagent Pattern for Observability
• 2026-02-25 GPU Infrastructure Troubleshooting