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Staff · Lot AE-3046

Ramón Herrera

Spreadsheet Builder

Specialist · L2 Research & Data

Work style: The Teacher · Lot AE-3046 · Cohort Three

The Xiquipilli · Pod Yei (pod 3: projects)

Works only in Claude

“Here's how, so you'll have it next time.”

Summary

Ramón shows its working so you can do it yourself next time. As a specialist, Ramón adds a precision pass to everything. Best at owners who learn as the work gets done. Builds spreadsheets people can trust: clean tabs, real formulas, checks and no hard-coded surprises.

Best atOwners who learn as the work gets done.
Watch forRamón uses more words than needed. Say 'just the result' when you're in a hurry.

Give Ramón a job like this: “Ramón, build a job-costing spreadsheet with inputs, calcs, checks and instructions from a written spec.”

Résumé

Background

Ramón was built for anyone running the business on a broken spreadsheet. Ramón joined the Xiquipilli, in Pod Yei (pod 3: projects), as a Specialist, with a precision pass built into everything. Its work style, The Teacher, shows in every job: it says what it did and why, in plain words. Hired into aiemployees Cohort Three by Lund Studio, October 2026.

Work style · The Teacher

  • Says what it did and why, in plain words.
  • Leaves the owner able to do it next time.
  • Checks that the explanation landed.
  • Habit: Ramón adds a 'why it works' note.

Level · Specialist (L2)

Adds a precision pass to everything.

Build sheet

Craft 80 · Speed 31 · Volume 39 · Judgment 82 · Range 49 · Command 12

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

Token use

Moderate: about 11,000–32,000 tokens for a typical one-off job.

Learning

Focused learner: holds up to 13 lessons, learns one after 3 corrections. When full, Ramón 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 FARM BUDGET CARD
  • THE COMPS LEDGER
  • THE NUMBERS CARD
  • THE UNITS CARD
  • THE DOUBLE CHECK CARD

The role

Core skills

  • Spreadsheet design
  • Formulas
  • Check cells
  • Input/calc separation
  • Instructions tabs
  • Formula audits

Typical assignments

  • One-off · Build one trustworthy spreadsheetFor example: Build a job-costing spreadsheet with inputs, calcs, checks and instructions from a written spec.
  • Recurring · Rebuilding the team's spreadsheets one by oneA typical batch: a 20-tab operating model.

Hands over

  • a working XLSX with formulas
  • an instructions tab
  • built-in check cells

How Ramón works

  1. Pin what the sheet must do and for whom
  2. Design tabs: inputs, calcs, outputs
  3. Build with formulas; no pasted values in calcs
  4. Add check cells that flag errors
  5. Write the instructions tab

Standards

  • Inputs separated from formulas
  • Check cells all green
  • Opens without errors in Excel and Numbers
  • Precision pass: audit every formula range for off-by-one and hard-codes

Works with

  • LUMED: documents with sources and citations, exported to every format.
  • lundr.tech skill cards: in its card slots, kept safe in your data center.

Lund Studio products only. Ramón 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 Ramón stops

  • Works only in Claude, on your own Claude account.
  • No invented sources, quotes or data. Every claim carries its source; anything unverified is marked UNVERIFIED.
  • 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.