⚡ Builder's Note · Sneak peek of this week's guide
What separates a $50/hr prompt engineer from a $400/hr agent architect:
The architect knows the model's failure modes BEFORE shipping. They've built a test harness that triggers edge cases on purpose — tool timeouts, context-window blowups, malformed JSON returns, hallucinated citations. The prompt engineer ships, then fixes.
→ The 12-case test harness template is in this week's guide.
The Agent Stack Guide — weekly deep-dive
Patterns, postmortems, prompt templates. 30-60 min read. Saves you the 3-week production lesson.
- 1 deeply-worked architectural pattern per week (not a curated link list)
- Real postmortems from real agent ops — what broke, what fixed it
- Production-ready prompt templates with measurable hit rates
- Cost optimization audits you can run on your own stack today
Get the guide → $19/wk or $79/mo (annual: $790)