Field notes · the index5 entries · updated weekly

Things we've learned.

Notes from the operator seat. Diagnoses from real engagements. Opinions about pricing, positioning, and shipping AI without embarrassing yourself. Written by the people doing the work, not a content team.

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★ FEATURED · LATEST
BEFORE · 4 TOOLS, NO COMMON LAYER
/01
Accounting
system of record
/02
Bill-pay
rails
/03
Expense
tool
↓ INTEGRATION LAYER
Reads, deduplicates, writes back to the GL.
One small service · ~600 LOC
FIG · 01 · before/after architectureSource: Scooper engagement
DiagnosisApr 18, 2026· 8 min

How a $5M DTC company actually runs its books

A teardown of a real client's AP, AR, and month-end stack. What was broken, what we kept, what we ripped out. AI shows up exactly twice.

BY VARUN R.Read the entry
ALL ENTRIES · 5
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01
02
03
Field NotesApr 02, 2026

The three failure modes that kill 80% of ops projects

Why most "AI transformation" engagements fail before code is written, and the unglamorous diagnostic habits that prevent it.

BY VARUN R.
7 min
/03
BuildingFeb 22, 2026

Evals, not vibes: how we ship AI that does not embarrass us

A walkthrough of the eval harness we attach to every production AI workflow. What we test, what we ignore, what wakes us up at 3 a.m.

BY VARUN R.
9 min
/04
CRM · system of record
AI layer
BuildingMar 28, 2026

The smart CRM: stop replacing it, start layering on top

Your sales team already lives in their CRM. Do not move them. Hook into the API and let AI do the work the CRM never could.

BY VARUN R.
7 min
/05
brandassetsdraft
workflow
BuildingMar 14, 2026

The content flywheel: how a four-person team ships like forty

Give an agent the brand guide, the asset library, and an image API. Wire it to your editorial calendar. The content team stops being the bottleneck.

BY VARUN R.
8 min