Skip to content
Committed
ENעב
Book a call

Insights from the production floor.

Field notes, essays, and case notes from the engineers shipping AI into regulated production. No vendor talking points, no benchmark theater.

Field notes · Engineering

Spec-driven design for enterprise AI: how we keep PR #50 from rotting the codebase

A working method for AI-assisted engineering at scale — written specs, machine-readable contracts, and a discipline that survives the tenth feature.

Yair Brosh · Principal engineerApril 22, 202614 min read
Essay · Production AI

Production AI for enterprise: a checklist before you call it shipped

Latency budgets, eval harnesses, redaction, observability, fallback plans, and the seven rituals you need before "live in production" means anything.

Maya LevinMarch 30, 2026
Case note · Healthcare

Voice agents with HIPAA-grade redaction: notes from 12 hospital lines

What we learned shipping multilingual voice over SIP into hospital intake — call routing, PII redaction, and signed audit on every turn of the conversation.

Ofir CohenMarch 12, 2026
Essay · Evaluation

Evals, not vibes: how we judge an AI system before our customers do

A practical playbook for evaluation harnesses — golden sets, regression gates, and the "Monday morning" test that catches what benchmarks miss.

Tal AvivFebruary 28, 2026
Field notes · Knowledge

RAG that isn't a chatbot: retrieval as a backbone, not a feature

Most teams bolt a chat window onto a vector store and call it knowledge management. Here is the architecture we use instead, and why it survives audit.

Maya LevinFebruary 10, 2026
Field notes · Engineering

Multi-agent back-office: when an LLM should call another LLM

Most "agent" systems are a single model in a trench coat. Here is when you actually need orchestration, and how to keep the wiring observable.

Yair BroshJanuary 24, 2026
Essay · Compliance

Building on the Israeli Landing Zone: a practitioner's tour

What it actually means to deploy regulated AI on the IL Landing Zone — VPC isolation, IS 5568, signed audit, and the controls that survived our last assessment.

Daniel MorJanuary 9, 2026
Field notes · Voice UX

Multilingual voice UX: the small choices that decide whether anyone calls back

Hebrew, English, Arabic and Russian in the same call flow, code-switching mid-sentence, and the prosody decisions that turn a voice agent from passable to trusted.

Ofir CohenDecember 18, 2025
Essay · Production AI

The Monday morning test: when an AI system is actually in production

Cutover, on-call, runbook, escalation, the first incident, the first audit. A short essay on the difference between "live" and "shipped".

Lior Bar-OnDecember 1, 2025
Subscribe

One letter a month. Field-tested only.

What we shipped, what broke, and what we'd do differently. Written by the engineers who were on call when it mattered.