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Manufacturing & Production / Shop Floor Execution & Labor Tracking

Operator Efficiency / Earned-Hours Report

Build an internal tool that turns labor entries and standard times into earned-hours vs actual efficiency by operator, work center, and shift - with outlier flags, a 'this standard looks broken' detector, and a supervisor approval gate before any report goes out.

IntermediateAn afternoonBuilds onNext.js (App Router) on VercelSupabase (Postgres, Auth, RLS, Storage)Resend (email)
What you'll build

A private web tool where you import labor and standards, see earned vs actual hours and efficiency % by operator / work center / shift, get automatic flags for outliers and likely-bad standards, then approve the report before exporting a clean CSV.

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Before you start

  • A list of labor entries (operation, operator, quantity, actual hours) as CSV or Google Sheet
  • Standard times per operation as CSV or Google Sheet
  • Free Vercel, Supabase, and Resend accounts
  • Claude Code installed on a Linux machine

The problem this kills

Labor efficiency conversations go sideways because nobody trusts the numbers. One spreadsheet says an operator is at 78%, another says 104%, and half the "low performers" are really just running operations whose standard times haven't been touched in years. Industrial engineers burn afternoons re-keying labor entries against standards, supervisors eyeball totals and argue, and the one number that should be objective - earned hours vs actual hours - turns into a fight about whose math is right.

The real trap: when an operation's standard is wrong, everyone on it looks bad, and the conversation blames people instead of fixing the standard. You need a tool that computes the same way every time, separates "this person is struggling" from "this standard is broken," and won't let a report go out until a human has reviewed it.

What you'll build

A private web app for your team that:

  • Imports your labor entries (operation, operator, quantity, actual hours) and your standard times - from CSV or a Google Sheet, no ERP integration required.
  • Computes earned standard hours (quantity x standard time) vs actual clocked hours, and the efficiency %, rolled up by operator, work center, and shift.
  • Flags outliers (suspiciously high or low efficiency) and, crucially, flags likely-bad standards - operations where almost everyone misses, which usually means the standard is wrong, not the people.
  • Keeps setup time and run time separate so a long machine setup doesn't make a fast run look slow.
  • Puts a supervisor approval gate in front of every report: review the numbers, flag suspect standards, approve - and only then is the report shareable and exportable.
  • Exports a clean efficiency report CSV in the exact columns you need.

What's inside the Implementation Plan

The plan is a complete, copy-paste runbook. The very first thing it does is interview you about your shop - how you track labor today, what your operation and work-center codes look like, whether you separate setup from run, how shifts are named, your typical and peak entry volumes, and the messy exceptions (rework, split jobs, partial quantities, missing clock-outs). It then reads back a short tailored spec and waits for your thumbs-up before building anything, so the tool matches your data and your rules - not a generic template.

From there it walks you step by step: set up the project, apply your tailored data model, build the import screens, compute earned-vs-actual, add the outlier and bad-standard detectors, build the supervisor review-and-approve screen, and wire up the CSV export. Every step ends with a ready-to-paste prompt.

The governance it includes (this is the point)

  • Login so only your team can open the tool.
  • Row-level security so each plant / organization only ever sees its own labor data.
  • A full audit trail - who imported what, who approved which report, and when.
  • A hard human-in-the-loop approval gate - the tool computes and drafts the report; a supervisor reviews, flags bad standards, and approves before anything is shared or exported.
  • Duplicate guards so the same labor file can't be imported and double-counted.

Who it's for

Supervisors, industrial engineers, and operations managers who run performance and efficiency conversations and are tired of arguing about whose spreadsheet is right. If you can fill in a spreadsheet, you can build this.

You've got this - paste the first prompt and let the agent interview you.

Gated download

Enter your email — the plan downloads instantly and a copy lands in your inbox.

By submitting your email you'll also receive the weekly runbookify newsletter. You can unsubscribe at any time.