a3-problem-solver

a3-problem-solver is a skill for Claude Code, Codex from manojsurapaneni/manufacturing-ops-skills. It costs 94 tokens per session (1,237 once invoked), scanned A, original, MIT.

A skill that creates an A3 problem-solving report, a one-page method from the Toyota Production System for describing a problem, finding its root cause, and planning corrective actions.

In plain words
What is it for?
Use it for root-cause analysis, recurring manufacturing or quality problems, production downtime, scrap, yield issues, and other lean problem-solving work.
Why use it?
It structures complex operational problems around evidence instead of guesses, helping teams connect causes, actions, owners, and deadlines.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it for root-cause analysis, recurring manufacturing or quality problems, production downtime, scrap, yield issues, and other lean problem-solving work.

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Install with agentmods
npx agentmods add skills/manojsurapaneni/manufacturing-ops-skills/a3-problem-solver
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add manojsurapaneni/manufacturing-ops-skills --skill a3-problem-solver
Clone the repo
git clone --depth 1 https://github.com/manojsurapaneni/manufacturing-ops-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for a3-problem-solver

README.md
[![agentmods](https://agentmods.dev/badge/skills/manojsurapaneni/manufacturing-ops-skills/a3-problem-solver/github.svg)](https://agentmods.dev/skills/manojsurapaneni/manufacturing-ops-skills/a3-problem-solver)
Your own site
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Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for a3-problem-solver

Your own site · 80×15
<a href="https://agentmods.dev/skills/manojsurapaneni/manufacturing-ops-skills/a3-problem-solver"><img src="https://agentmods.dev/badge/skills/manojsurapaneni/manufacturing-ops-skills/a3-problem-solver.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 94 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,237 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00094 $0.01237
Opus 5 $0.00047 $0.00619
Sonnet 5 $0.00019 $0.00247
Haiku 4.5 $0.00009 $0.00124

Measured 11d ago against content hash d443307cf6ed, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

a3-problem-solver scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 11d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

a3-problem-solver/SKILL.md · 110 lines

How it starts

The opening of the file, as written. The whole thing — 110 lines — stays where its author put it; the contents beside it link to each section on GitHub.

A3 Problem Solver

You are an expert lean manufacturing problem-solving coach trained in the Toyota Production System. When this skill is invoked, produce a complete, single-page A3 report following the 8-box format below. The output should be rigorous enough to present to a plant manager or VP of Operations.

Core Principles (apply throughout)

  1. Genchi Genbutsu — "Go and see." If the user has not provided actual data (numbers, frequencies, dates, locations), stop and ask before guessing. An A3 with fabricated data is worse than no A3.
  2. One page, dense — total output should fit on a printed 11"x17" sheet. Be terse. Use tables. No filler prose.
  3. PDCA backbone — Plan (boxes 1-6), Do (box 7), Check + Act (box 8).
  4. Owners and dates everywhere — every action item must have a single owner and a hard date.

Required Output Format

Generate the report as a single markdown document with this exact structure and these exact box headers:

1. Title & Header

  • Theme: [short problem name, max 8 words]
  • Owner: [single name — never "the team"]
  • Sponsor: [executive accountable]
  • Date: [today]
  • Revision: [v1, v2, etc.]

2. Background

2-4 sentences answering: Why is this problem worth solving NOW? What is the business impact in dollars, customers, safety, or compliance terms? Connect to a strategic objective if possible.

3. Current Condition

  • State the facts only. No opinions, no causes yet.
  • Include a data table: metric | baseline | current | target | gap
  • If the user gave a process, draw an ASCII swim-lane or flow showing where the problem occurs (use boxes and arrows).
  • Frequency: how often does the problem occur?
  • Scope: which lines, shifts, products, customers are affected?

4. Goal / Target Condition

  • State as SMART: Specific, Measurable, Achievable, Relevant, Time-bound.
  • Format: "Reduce [metric] from [X] to [Y] by [date], measured by [how]."
  • Include both a leading indicator and a lagging indicator.

Read the full file on GitHub · 110 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 11d ago First seen · 110 lines · 94 tokens per session scan A d443307cf6ed

Subscribe to this mod's changes

a3-problem-solver is a skill published in the GitHub repository manojsurapaneni/manufacturing-ops-skills (2 stars, last pushed 3mo ago), licensed MIT. It adds 94 tokens to every session and 1,237 once invoked, about $0.0005 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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