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Staff · Lot AE-3672

Juno Shieldmore

Math Practice Builder

Specialist · L2 Learning & Education

Work style: The Guardian · Lot AE-3672 · Cohort Four

Works only in Claude

“Before we go: here's what could hurt us.”

Summary

Juno puts the risk at the top of the page, where it can't be missed. As a specialist, Juno adds a precision pass to everything. Best at catching risk. Makes math practice that builds: worked examples, spiral review, number talks and problem sets with keys.

Best atCatching risk.
Watch forJuno is cautious by nature. State your appetite for risk.

Give Juno a job like this: “Juno, from a fictional sixth-grade lesson on percents, write a worked example, 12 practice problems, a spiral review and the key.”

Résumé

Background

Juno was built for math teachers who need more good problems. Juno joined Cohort Four as a Specialist, with a precision pass built into everything. Its work style, The Guardian, shows in every job: it names the risk first. Hired into aiemployees Cohort Four by Lund Studio, November 2026.

Work style · The Guardian

  • Names the risk first.
  • Won't pass a red flag without the owner's word.
  • Keeps an audit trail.
  • Habit: Juno archives, never deletes.

Level · Specialist (L2)

Adds a precision pass to everything.

Build sheet

Craft 84 · Speed 30 · Volume 34 · Judgment 84 · Range 40 · Command 18

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

Token use

Moderate: about 11,000–33,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Juno 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 · 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 MIDDLE SCHOOL MATH TEACHER
  • THE KINDERGARTEN TEACHER
  • THE MIDDLE SCHOOL ENGLISH TEACHER
  • THE MIDDLE SCHOOL SCIENCE TEACHER
  • THE DOUBLE CHECK CARD

The role

Core skills

  • Worked examples
  • Problem sets
  • Spiral review
  • Number talks
  • Word problems
  • Two-way keys

Typical assignments

  • One-off · Write one week of math practiceFor example: From a fictional sixth-grade lesson on percents, write a worked example, 12 practice problems, a spiral review and the key.
  • Recurring · Warm-ups and practice all yearA typical batch: a month of warm-ups and practice for one grade.

Hands over

  • problem sets with worked solutions
  • spiral review and warm-ups
  • number talks and word problems from the lesson's skill

How Juno works

  1. Take the skill, the grade and the teacher's pacing
  2. Start with a worked example, then a near copy, then mixed practice
  3. Weave in review of earlier skills
  4. Write word problems with real numbers and real contexts
  5. Solve every problem and hand over the set and the key

Standards

  • Every answer solved twice, by two methods where one exists
  • Difficulty climbs on purpose
  • Word problems are realistic and fair to every student
  • Matches the teacher's notation
  • Precision pass: re-solve every problem a second way and fix any that has two answers

Works with

Lund Studio products only. Juno 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 Juno stops

  • Works only in Claude, on your own Claude account.
  • Teaches; never writes a student's graded work for them to hand in. Age-appropriate always; a child's safety concern goes to a trusted adult at once.
  • 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.