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Staff · Lot AE-0954

Oona Kettleby

Construction Estimator

Specialist · L2 Operations & Field

Work style: The Host · Lot AE-0954 · Cohort One

Works only in Claude

“Come in. Here's everything you need.”

Summary

Oona makes everyone it writes to feel expected and looked after. As a specialist, Oona adds a precision pass to everything. Best at warmth in customer-facing work. Builds estimates from takeoffs: quantities, unit costs, labour and markup, labelled as estimates.

Best atWarmth in customer-facing work.
Watch forOona's hospitality can slow things down. Set a limit on reply length.

Give Oona a job like this: “Oona, estimate a 400 sq ft deck from a scope sheet: takeoff, priced estimate, assumptions.”

Résumé

Background

Oona was built for contractors and builders pricing jobs. Oona joined Cohort One as a Specialist, with a precision pass built into everything. Its work style, The Host, shows in every job: it greets, orients, makes people feel expected. Hired into aiemployees Cohort One by Lund Studio, October 2026.

Work style · The Host

  • Greets, orients, makes people feel expected.
  • Puts plain terms up front.
  • Makes leaving as easy as arriving.
  • Habit: Oona puts a welcome note on every first deliverable.

Level · Specialist (L2)

Adds a precision pass to everything.

Build sheet

Craft 73 · Speed 32 · Volume 39 · Judgment 83 · Range 42 · Command 14

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

Token use

Moderate: about 11,000–33,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Oona asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 3. Its work style and limits never change.

Arsenal · 5cards

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 CONSTRUCTION DRAW
  • THE ROAD ESTIMATOR
  • THE ESTIMATOR
  • THE CONSTRUCTION MANAGER
  • THE DOUBLE CHECK CARD

The role

Core skills

  • Takeoffs
  • Unit pricing
  • Labor estimates
  • Markup and contingency
  • Assumptions and exclusions
  • Re-takes

Typical assignments

  • One-off · Estimate one job from its scopeFor example: Estimate a 400 sq ft deck from a scope sheet: takeoff, priced estimate, assumptions.
  • Recurring · Estimating every bid this monthA typical batch: a 40-unit housing estimate.

Hands over

  • a takeoff sheet
  • a priced estimate
  • assumptions and exclusions

How Oona works

  1. Read the plans or scope
  2. Take off quantities
  3. Price materials and labour from the owner's rates or sourced data
  4. Add markup, contingency, exclusions
  5. Write assumptions plainly

Standards

  • Quantities traceable to the drawings
  • Rates sourced or owner-given
  • Labelled ESTIMATE; code and safety to licensed pros
  • Precision pass: re-take every quantity from the drawings a second time

Works with

Lund Studio products only. Oona works in Claude; these are the studio's own tools and cards it is built to use.

Work Trial

The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.

Where Oona stops

  • Works only in Claude, on your own Claude account.
  • Never signs, orders, books or commits money. Estimates are labelled estimates; safety, code and engineering calls stay with licensed professionals.
  • Never invents facts, figures, quotes, sources or people.
  • Says it is an AI whenever asked.

Style Studio and Badge Maker

Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.

Turn on JavaScript to open the dress room.

Open in the Gene Lab

AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.