IDEAS, DECISIONS & LESSONS

Journal

Notes on AI, architecture and building useful products.

2 articles

19 Aug 2026 · 5 min read

agentic coding

I Ran Grok Build Against Claude Code for a Week: A Tech Lead's Honest Comparison

xAI open-sourced Grok Build, a terminal coding agent powered by Grok 4.6 with subagents, plan mode, and worktree support. I tested it side by side with Claude Code on real refactoring work. Here's what actually differs.

17 Mar 2026 · 16 min read

ai-testing

Playwright CLI: The Complete Guide for QA Testers in 2026

A practical guide to Microsoft's Playwright CLI for QA testers transitioning from manual to automated testing. Learn why CLI beats MCP, setup from scratch, core commands, and real-world workflows.