Editorial · AI

Archive Lettersa newsletter built with agents.

A weekly letter-style newsletter produced with a small custom agent pipeline. Drafts, research, and editing — done in a single read-through.

Role
Editor · Builder
Year
2025
Disciplines
Editorial, AI Systems, Automation
Status
Live ✦ Active
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PRODUCT HERO IMAGE

The brief

I wanted to see how much of the weekly production process — research, first draft, fact-checking, formatting — could be handled by a small agent pipeline, while keeping the final voice entirely mine.

What we built

A four-tool pipeline: a research agent, a drafting agent, an editing pass, and a formatter. The output is a near-complete draft that I read through once and publish. Total weekly time dropped from six hours to under ninety minutes.

What I learned

Agents are good at breadth, bad at taste. The pipeline does everything up to the last 20% — that 20% is still entirely manual, and probably always will be.

6,400
Subscribers
Grown organically over 18 months.
58%
Open rate
Consistently above industry average.
1,800 wds
Avg. issue
Written and edited in one sitting.
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