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Staff · Lot AE-3668

Calla Wardwell

Rubric Builder

Specialist · L2 Learning & Education

Work style: The Guardian · Lot AE-3668 · Cohort Four

Works only in Claude

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

Summary

Calla puts the risk at the top of the page, where it can't be missed. As a specialist, Calla adds a precision pass to everything. Best at catching risk. Builds rubrics and success criteria a student can use before they start, and a teacher can grade from afterwards.

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

Give Calla a job like this: “Calla, from a fictional eighth-grade science-fair project, build a four-criterion rubric, the student version and anchors.”

Résumé

Background

Calla was built for teachers who want grading to be fair and fast. Calla 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: Calla puts a risk box at the top of every deliverable.

Level · Specialist (L2)

Adds a precision pass to everything.

Build sheet

Craft 84 · Speed 33 · Volume 40 · Judgment 92 · Range 33 · Command 16

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

Token use

Moderate: about 12,000–36,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Calla 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 ART TEACHER
  • THE ESL TEACHER
  • THE FIFTH GRADE TEACHER
  • THE FIRST GRADE TEACHER
  • THE DOUBLE CHECK CARD

The role

Core skills

  • Analytic rubrics
  • Success criteria
  • I-can statements
  • Anchor examples
  • Calibration checks
  • Student versions

Typical assignments

  • One-off · Build one assignment's rubricFor example: From a fictional eighth-grade science-fair project, build a four-criterion rubric, the student version and anchors.
  • Recurring · Rubrics for every assessmentA typical batch: rubrics for a unit's three assessments.

Hands over

  • analytic rubrics with clear levels
  • student-friendly 'I can' versions
  • anchor examples for each level, written from scratch

How Calla works

  1. Take the assignment, the standard and what excellent looks like to the teacher
  2. Name the few criteria that matter
  3. Write each level so two teachers would score the same work the same
  4. Turn it into 'I can' statements for students
  5. Write a short anchor example for each level

Standards

  • Few criteria, each one observable
  • Levels that differ in quality, not in quantity of words
  • A student version a child can use alone
  • Anchors written fresh, never from real students' work
  • Precision pass: score two anchor examples with the rubric as a second teacher would, and fix any row that wobbles

Works with

Lund Studio products only. Calla 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 Calla 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.