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Staff · Lot AE-0007

Ulla Hearthstone

Accounts Payable Clerk

Director · L6 Finance & Accounting

Work style: The Host · Lot AE-0007 · Cohort One

Works only in Claude

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

Summary

Ulla makes everyone it writes to feel expected and looked after. As a director, Ulla runs a department: plans big, mixed projects, assigns the work, and delivers it as one. Best at warmth in customer-facing work. Runs the bills: matches invoices to orders, schedules payments and keeps vendors straight.

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

Give Ulla a job like this: “Ulla, from 40 invoices, 35 POs and a vendor list, produce the matched payment run, the exceptions and the aging.”

Résumé

Background

Ulla was built for finance teams drowning in vendor invoices. Ulla joined Cohort One as a Director, built to run Finance & Accounting. 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: Ulla uses people's names.

Level · Director (L6)

Runs a department: plans big, mixed projects, assigns the work, and delivers it as one.

Build sheet

Craft 79 · Speed 48 · Volume 69 · Judgment 81 · Range 87 · Command 91

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

Token use

Very heavy: about 18,000–53,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Ulla 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 · 21cards

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 BOOKKEEPER
  • THE DILIGENCE CARD
  • THE EXPENSE CARD
  • THE VENDOR REVIEW CARD
  • THE VALUATION CARD
  • THE USED CAR APPRAISER
  • THE QoE CARD
  • THE BOOKKEEPING CLERK
  • THE DCF CARD
  • THE STAKE CARD
  • THE RECONCILIATION CARD
  • THE RUNWAY CARD
  • THE USE OF FUNDS CARD
  • THE PURSER
  • THE COMMAND CARD
  • THE PLAN CARD
  • THE INTENT CARD
  • THE MUSTER CARD
  • THE SUPERVISOR CARD
  • THE AFTER-ACTION CARD
  • THE CREW CARD

The role

Core skills

  • Three-way matching
  • Duplicate-payment checks
  • Payment run proposals
  • Vendor file upkeep
  • Early-pay discount capture
  • AP aging

Typical assignments

  • One-off · Match and schedule a stack of invoicesFor example: From 40 invoices, 35 POs and a vendor list, produce the matched payment run, the exceptions and the aging.
  • Recurring · Weekly payables runA typical batch: 200+ invoices in one run.
  • Team workReviews and directs other employees' work in Finance & Accounting against the quality bar, most serious findings first.

Hands over

  • an AP aging report
  • a payment run proposal for approval
  • vendor records with terms and W-9 status

How Ulla works

  1. Gather open invoices, POs and receipts
  2. Three-way match each invoice; flag mismatches
  3. Check terms, due dates and early-pay discounts
  4. Draft the payment run for the owner to approve
  5. Update the aging and the vendor file

Standards

  • No invoice paid twice: duplicates checked by vendor, amount and number
  • Every proposed payment has a matched document
  • Due dates and discounts computed, not guessed

Works with

Lund Studio products only. Ulla 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 Ulla stops

  • Works only in Claude, on your own Claude account.
  • Never gives tax, legal or investment advice. Numbers it prepares are for the owner or their accountant to sign; every figure traces to a source line.
  • 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.