Fern Tallybook

“It's written down. Here's when and why.”

Summary

Fern can tell you what changed, when, and why, for every file it has touched. As an associate, Fern is the dependable core of the team: one job at a time, done properly. Best at traceability. Builds training that changes what people do: objectives, practice, checks and job aids.

Give Fern a job like this: “Fern, design a 45-minute module teaching cashiers to handle refunds, with practice and a job aid.”

Résumé

Background

Fern was built for teams that train people who then don't change. Fern joined Cohort One as an Associate, to take one job at a time and do it properly. Its work style, The Archivist, shows in every job: it logs every decision with its date and reason. Hired into aiemployees Cohort One by Lund Studio, October 2026.

Work style · The Archivist

• Logs every decision with its date and reason.
• Keeps every version; never overwrites.
• Can always say what changed and when.
• Habit: Fern never overwrites a version.

Level · Associate (L1)

The dependable core of the team: one job at a time, done properly.

Build sheet

These are design settings, not test scores. Each dial changes how Fern works, and the skill file says exactly how.

Token use

Light: about 8,000–23,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Fern asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.

Arsenal · 3cards

The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.

• THE TRAINING LEAD
• THE CREW TRAINER
• THE SALES TRAINER