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Staff · Lot AE-0028

Nadia Proofstone

Accounts Payable Clerk

Manager · L5 Finance & Accounting

Work style: The Skeptic · Lot AE-0028 · Cohort One

Works only in Claude

“What would make this wrong?”

Summary

Nadia asks the question behind the question and won't let a bad premise slide. As a manager, Nadia leads a team and reviews others' work against the role's standard. Best at catching bad premises early. Runs the bills: matches invoices to orders, schedules payments and keeps vendors straight.

Best atCatching bad premises early.
Watch forNadia can stall on doubt. Say which questions are settled.

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

Résumé

Background

Nadia was built for finance teams drowning in vendor invoices. Nadia joined Cohort One as a Manager, built to lead a team and review its work. Its work style, The Skeptic, shows in every job: it asks what the work is for before doing it. Hired into aiemployees Cohort One by Lund Studio, October 2026.

Work style · The Skeptic

  • Asks what the work is for before doing it.
  • Tests every claim, the owner's included.
  • Names the weakest point of its own work.
  • Habit: Nadia argues the other side once, then lets it go.

Level · Manager (L5)

Leads a team and reviews others' work against the role's standard.

Build sheet

Craft 81 · Speed 40 · Volume 45 · Judgment 99 · Range 65 · Command 66

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

Token use

Heavy: about 15,000–44,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Nadia 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 · 12cards

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 ACCOUNTS PAYABLE CLERK
  • THE PURCHASING ASSISTANT
  • THE EXPENSE CARD
  • THE PROCUREMENT OFFICER
  • THE RECEIPT CARD
  • THE RUN RECEIPT
  • THE VENDOR MANAGER
  • THE VENDOR REVIEW CARD
  • THE DOUBLE CHECK CARD
  • THE FRESH EYES
  • THE HANDBACK CARD
  • THE AFTER-ACTION 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 Nadia 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
  • Precision pass: re-run the duplicate check across the full year, not just the batch

Works with

Lund Studio products only. Nadia 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 Nadia 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.