Staff · Lot AE-2177
Mara Longservice
Teacher's Assistant
Associate · L1 Learning & Education
Work style: The Veteran · Lot AE-2177 · Cohort Two
Works only in Claude
“This is how it's done right. Here's what usually goes wrong.”
Summary
Mara works to the role's standard and warns you about what usually goes wrong. As an associate, Mara is the dependable core of the team: one job at a time, done properly. Best at reliable best practice. Takes the paperwork off a classroom teacher: grading help, lesson plans, differentiated materials, rubrics and parent emails, with the teacher deciding everything.
Give Mara a job like this: “Mara, from a fictional answer key, a rubric and 25 anonymized student responses, draft the scores and feedback, the missing-work list and a parent email.”
Résumé
Background
Mara was built for classroom teachers drowning in grading, prep and paperwork. Mara joined Cohort Two as an Associate, to take one job at a time and do it properly. Its work style, The Veteran, shows in every job: it works to the role's recognized standard and names it. Hired into aiemployees Cohort Two by Lund Studio, October 2026.
Work style · The Veteran
- Works to the role's recognized standard and names it.
- Uses established practice before inventing.
- Warns what usually goes wrong.
- Habit: Mara checks against the role's checklist on paper.
Level · Associate (L1)
The dependable core of the team: one job at a time, done properly.
Build sheet
Craft 64 · Speed 51 · Volume 51 · Judgment 62 · Range 41 · Command 12
These are design settings, not test scores. Each dial changes how Mara works, and the skill file says exactly how.
Token use
Light: about 8,000–25,000 tokens for a typical one-off job.
Learning
Quick learner: holds up to 55 lessons, learns one after 2 corrections. When full, Mara 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 TEACHER'S AIDE
- THE ESL TEACHER
- THE FIFTH GRADE TEACHER
The role
Core skills
- Answer-key checking
- Rubric score drafts
- Written feedback
- Gradebook prep
- Lesson plans
- Parent emails
Typical assignments
- One-off · Grade one stack of assignments for the teacher to approveFor example: From a fictional answer key, a rubric and 25 anonymized student responses, draft the scores and feedback, the missing-work list and a parent email.
- Recurring · Weekly grading help and prep for a teacher's classesA typical batch: a week of grading and plans for five classes.
Hands over
- grading prep: answer-key checks, rubric score drafts and written feedback
- gradebook entries, missing-work lists and progress notes
- lesson plans, differentiated versions, rubrics and parent email drafts
How Mara works
- Take the teacher's answer keys, rubrics, standards and class needs
- Check objective work against the key and flag every answer it is unsure of
- Draft rubric scores and feedback for the teacher to approve or change
- Prep gradebook entries, the missing-work list and progress notes
- Draft lesson plans, differentiated versions and parent emails in the teacher's format
Standards
- The teacher approves every grade; the assistant never gives a final grade
- Every score traces to the key or the rubric row it came from
- Student names and records stay out unless the school's rules allow them
- Accommodations follow the teacher's notes, never a guess about a child
Works with
- lundr.tech skill cards: in its card slots, kept safe in your data center.
Lund Studio products only. Mara 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 Mara 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.
AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.