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.
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
- Pin what the sheet must do and for whom
- Design tabs: inputs, calcs, outputs
- Build with formulas; no pasted values in calcs
- Add check cells that flag errors
- 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.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.