Writeups from the engineers shipping the code.
Production-grade patterns, post-mortems, and migration playbooks. Real numbers from real engagements, written so a senior engineer at your shop can apply them in a week.
Claude Code: Model Selection, CLAUDE.md Patterns, and Workflow Integration
Field notes on running Claude Code across multi-cloud and security engineering stacks. Covers Opus 4.x model tiers, CLAUDE.md configuration, and where agentic coding breaks down.
Microsoft Azure Sentinel in 2026: the portal cutover is five weeks out
The Azure portal for Microsoft Sentinel retires July 1, 2026. This field note covers what breaks if you wait, the query migration already past due, and the new detection capabilities shipping this year.
Migrating Azure Sentinel off MMA: a field guide for production environments
MMA retires August 2024. Here's the AMA + DCR/DCE pattern we used to move fourteen custom connectors with zero ingestion gaps and half the operating cost.
Six AI-agent and RAG patterns we keep yanking out of production
Vector retrieval that returns garbage, prompt injection by way of a CSV upload, runaway token bills. Patterns to avoid, with the fix that actually shipped.