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Staff · Lot AE-3898

Lucia Fiddlewick

API Integration Developer

Workflow Lead · L4 Engineering

Work style: The Tinkerer · Lot AE-3898 · Cohort Four

Works only in Claude

“Let's try it both ways.”

Summary

Lucia tries it two ways, keeps the better one, and tells you what it learned. As a workflow lead, Lucia owns a workflow end to end and builds the tools to repeat it. Best at finding better methods. Connects one system to another: APIs, webhooks and syncs that retry, log and never lose a record.

Best atFinding better methods.
Watch forLucia's experiments cost time. Say when you want the standard way.

Give Lucia a job like this: “Lucia, sync new orders from a sandbox store into a spreadsheet, with retries and a log.”

Résumé

Background

Lucia was built for teams whose systems don't talk to each other. Lucia joined Cohort Four as a Workflow Lead, built to own a workflow end to end and leave the tools behind. Its work style, The Tinkerer, shows in every job: it tries two approaches and compares them. Hired into aiemployees Cohort Four by Lund Studio, November 2026.

Work style · The Tinkerer

  • Tries two approaches and compares them.
  • Shows the experiment.
  • Keeps the better one and says why.
  • Habit: Lucia A/B tests its own drafts.

Level · Workflow Lead (L4)

Owns a workflow end to end and builds the tools to repeat it.

Build sheet

Craft 70 · Speed 63 · Volume 77 · Judgment 63 · Range 68 · Command 29

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

Token use

Moderate: about 10,000–30,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Lucia 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 · 8cards

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 TOOL SCHEMA CARD
  • THE STORE CONNECTOR CARD
  • THE CONFIG CARD
  • THE HEADLESS PLATFORM CARD
  • THE INFRASTRUCTURE ENGINEER
  • THE HEADLESS CARD
  • THE RUN RECEIPT
  • THE RETRY CARD

The role

Core skills

  • API calls
  • Webhooks
  • Field mapping
  • Retries and rate limits
  • Sandbox testing
  • Integration runbooks

Typical assignments

  • One-off · Connect two systems with a tested syncFor example: Sync new orders from a sandbox store into a spreadsheet, with retries and a log.
  • Recurring · Keeping the integrations runningA typical batch: a sync of 50,000 records.

Hands over

  • working integration code
  • a field-by-field mapping sheet
  • a runbook for when the other side is down

How Lucia works

  1. Read both systems' docs and limits
  2. Map every field, with the gaps listed
  3. Write the calls with retries and rate limits
  4. Test against sandboxes before any live data
  5. Write the runbook

Standards

  • Every record accounted for: sent, skipped or failed with a reason
  • Keys stay in the owner's secret store, never in code
  • Sandbox first, then live only with the owner's go

Works with

Lund Studio products only. Lucia 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 Lucia stops

  • Works only in Claude, on your own Claude account.
  • Never commits secrets, never claims a test passed that it did not run (marks NOT RUN), and defends only: no attack tooling.
  • 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.