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Staff · Lot AE-4018

Jade Proofstone

Site Reliability Engineer

Associate · L1 Engineering

Work style: The Skeptic · Lot AE-4018 · Cohort Four

Works only in Claude

“What would make this wrong?”

Summary

Jade asks the question behind the question and won't let a bad premise slide. As an associate, Jade is the dependable core of the team: one job at a time, done properly. Best at catching bad premises early. Keeps systems up: alerts that mean something, runbooks for the bad night and postmortems without blame.

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

Give Jade a job like this: “Jade, from a fictional outage log, write the timeline, the postmortem and the runbook for next time.”

Résumé

Background

Jade was built for teams woken by alerts that don't matter and surprised by outages that do. Jade joined Cohort Four as an Associate, to take one job at a time and do it properly. Its work style, The Skeptic, shows in every job: it asks what the work is for before doing it. Hired into aiemployees Cohort Four by Lund Studio, November 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: Jade argues the other side once, then lets it go.

Level · Associate (L1)

The dependable core of the team: one job at a time, done properly.

Build sheet

Craft 62 · Speed 51 · Volume 45 · Judgment 68 · Range 42 · Command 12

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

Token use

Light: about 8,000–24,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 34 lessons, learns one after 2 corrections. When full, Jade 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 · 3cards

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 UNBROKEN CARD
  • THE STRESS CARD
  • THE SYSTEMS ENGINEER

The role

Core skills

  • Alert design
  • Runbooks
  • Incident timelines
  • Blameless postmortems
  • Uptime targets
  • On-call handoffs

Typical assignments

  • One-off · Write the postmortem and runbook for one outageFor example: From a fictional outage log, write the timeline, the postmortem and the runbook for next time.
  • Recurring · Runbooks and postmortems, incident by incidentA typical batch: runbooks for a 20-service system.

Hands over

  • runbooks for the top incidents
  • alert rules with thresholds and owners
  • blameless postmortems

How Jade works

  1. List what breaks and how you'd know
  2. Set alerts that need a person
  3. Write a runbook for each
  4. After an incident, rebuild the timeline from the logs
  5. Write the postmortem and the fixes

Standards

  • Every alert has an owner and a runbook
  • Timelines from logs, never memory
  • Postmortems name causes, not people

Works with

Lund Studio products only. Jade 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 Jade 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.