IDEAS, DECISIONS & LESSONS
Notes on AI, architecture and building useful products.
878 articles
01 Sep 2026 · 6 min read
ai-agents
VS Code 1.135 shipped the Agent Host Protocol with an experimental /rubber-duck command — a second AI model critiquing your primary agent's plans and code in real time. Here's what it changes about how teams should structure AI-assisted review.
Read more01 Sep 2026 · 8 min read
build in public
Why I built a parental-monitoring product with no stealth mode, and the one rule I set on day one: the child always knows they are monitored.
Read more01 Sep 2026 · 5 min read
ai-agents
Claude Sonnet 5's introductory pricing and GitHub Copilot Studio's promotional credits both expired on the same day. Here's the real math on what changed, why it happened simultaneously, and how to budget for the next one.
Read more31 Aug 2026 · 5 min read
ai
Alibaba's Qwen3.8-Flash-Next, an early preview of Qwen4's architecture, scores 62.5 on SWE-bench Pro against Claude Opus 4.6 Max's 53.4 — while activating just 6B of its 180B parameters. Here's what the routing architecture actually buys you, and where the benchmark story gets more complicated.
Read more31 Aug 2026 · 5 min read
ai
OpenAI is offering enterprises two free months of Codex and a one-click Claude Code importer to switch. Anthropic countered by raising Claude Code limits instead of building an exporter. A Tech Lead's honest read on what actually migrates cleanly — and what silently breaks.
Read more31 Aug 2026 · 4 min read
debugging
Daily English practice for tech professionals. Morning session covering debugging and testing vocabulary — breakpoint, stack trace, flaky test, edge case, root cause — with pronunciation guide, exercises, and real-world examples.
Read more30 Aug 2026 · 4 min read
agents
Salesforce made Claude the default reasoning model across Agentforce and Slack. A technical lead's read on the architecture pattern this sets — and the governance questions every enterprise adopting it needs to answer first.
Read more30 Aug 2026 · 4 min read
ai-agents
Anthropic's Aug 27 research preview of MHS gives AI agents a standard interface to operate lab and manufacturing hardware. As a Tech Lead who has wired MCP servers to internal tools, here's why this is MCP's shape applied to physical devices — and what breaks when the tool call controls a centrifuge instead of a database.
Read more30 Aug 2026 · 4 min read
ai-tools
GitHub's August 28 Visual Studio update adds Low/Medium/High thinking-effort controls per model, plus a model management view with context window and cost info. A Tech Lead's take on why per-call effort tuning matters more than picking 'the best model' — and how it compares to the reasoning-effort trap we already learned the hard way with open models.
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