The Loop Bookshelf · 4 volumes · 290 pages
Every methodology Loop runs is published as a book. The operating model, the frameworks, the assessments, the adoption path. We publish in full so serious buyers can evaluate how Loop thinks before any sales conversation happens.
Operating model for the modern QA function.
If you already have QA people, this is what the function should become. Layered tests, named owners, leverage metrics, and the 5-bucket maturity framework that tells you where you are and where to go next.
Tests define intent. AI accelerates implementation.
If you want development to own both speed and quality, this is where to start. The AI-native TDD model. Where tests define intent, AI accelerates implementation, and engineers own verification.
The multiplier behind every other Loop methodology.
Leverage doesn't come from a generic agent with a giant prompt. It comes from purpose-built pipelines with roles, permissions, observability, and project-specific operating rules. Teams running bespoke pipelines see up to 17× automation output.
The deterministic floor beneath agentic development.
AI rules alone top out around 60–75% accuracy on the invariants teams actually care about. Generic static analysis tops out around 40–55%. Policy as Code reliably reaches 80–90%, with drift as a first-class measurement concern.
Who reads these
The books are how Loop earns the right to talk. They're free in full so you can decide whether the methodology lands before any sales conversation happens.
“I forwarded chapter 3 to my CTO. We rebuilt our QA org chart on Monday.”
Series-B fintech · ~50 engineers
Read: AI-Native Quality Engineering
“Read it on a flight. Walked into the AI vendor meeting the next day with a different set of questions.”
Healthcare SaaS · 120 engineers
Read: Bespoke Agentic Pipelines
“We stopped writing the kind of tests this book argues against. Suite is 40% smaller. Confidence is up.”
E-commerce platform · 200+ engineers
Read: AI-Driven TDD
Names + companies anonymized at the speakers' request.
Watch · Companion videos
Couldn't load the latest videos right now. Head over to the channel directly.
Visit @benfellows-dev on YouTube →When the book isn't enough
$1,000/seat. One day. The system applied to your team in working sessions.
See the syllabus →ResourcesTemplates, calculators, and worksheets straight from the books. Free with email.
Open the hub →ServicesWhen you've read the books and want an outside diagnosis, the QA Leverage Review is the next step.
Read the brief →Bundle
290 pages of methodology, all assessments included. Read every word in the browser. No drip funnel.
90-Day QA Leverage Plan
Coming soonUse it on Monday · Editable doc + Notion template