Lean toolkit · 17 skills · free · MIT licensed

Standard work for the assistant.

Seventeen plain-text skills that let an AI assistant do the keyboard part of Lean work, so the time goes to the floor instead. Each one asks the questions a good Black Belt would ask, tags every number with where it came from, and marks what nobody knows yet as [NEEDS GEMBA]. No install needed: paste a skill into a claude.ai Project.

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Which skill for what

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Seventeen skills, each with its own page: what it does, a worked example, how to set it up, and the download. Find the one that matches what's in front of you, then open it and read it before you use it.

01No idea where to startStart HereOne question, then a hand-off to the right skillRead the skill → 02A problem to put on one page for a reviewA3 CoachAn A3, coached left to right; countermeasures after root causeRead the skill → 03A recurring defect, or "why does this keep happening"Root Cause5 Whys or fishbone, a verified cause, one corrective actionRead the skill → 04A vague complaint that needs to become a problemProblem StatementOne measurable sentence, cause and solution stripped outRead the skill → 05A kaizen event to planKaizen CharterA charter a sponsor could signRead the skill → 06A walk to plan or debriefGemba WalkA walk plan or a debrief. Never a punch listRead the skill → 07A job to document as it's done todayStandard WorkTakt, sequence, standard WIP, every time sourcedRead the skill → 08A job to teach someoneTWI Job BreakdownA job breakdown sheet plus a training timetableRead the skill → 09Cycle times and inventories from a walkVSM CalcNeeds Claude CodeTakt, lead time, PCE, bottleneck, by scriptRead the skill → 10A downtime export from the MESOEE from CSVNeeds Claude CodeA × P × Q with every formula shown, and the Six Big LossesRead the skill → 11A workplace to score for 5S5S AuditA scored audit by zone with a prioritized action listRead the skill → 12A changeover to shortenSMED SetupInternal/external separation and a changeover planRead the skill → 13A measurement that varies, and you need to know if it's in controlControl ChartControl limits, special cause, Cp/Cpk, with caveatsRead the skill → 14A process or new machine to risk-assessFMEA BuilderAn FMEA on explicit 1–10 scales, RPN shownRead the skill → 15A mistake that keeps happening and needs designing outMistake-ProofingThe poka-yoke hierarchy, from elimination downRead the skill → 16"Can we hit the volume?"Capacity PlannerStation loading and what-ifs, as capacity, never headcountRead the skill → 17Tier boards that nobody looks atDaily ManagementA tiered daily management design with escalationRead the skill →