Quality-Engineering-Skills

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Quality-Engineering-Skills

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22 quality engineering skills and 8 agents for AI — ISO 9001, IATF 16949, AIAG-VDA FMEA, VDA 6.3, PPAP, APQP, SPC, MSA

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# Quality-Engineering-Skills

**23 structured quality engineering skills and 8 agents for AI — ISO 9001, IATF 16949, AIAG-VDA FMEA, VDA 6.3, PPAP, APQP, SPC, MSA.**
Works with Claude Code, Codex CLI, Cursor, Gemini CLI, and any agentskills.io-compatible AI tool.

**[→ rbraga01.github.io/Quality-Engineering-Skills](https://rbraga01.github.io/Quality-Engineering-Skills/)**

[![Skills](https://img.shields.io/badge/skills-23-orange)](https://raw.githubusercontent.com/RBraga01/Quality-Engineering-Skills/master/skills/)
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---

## Install in 30 seconds

```bash
npx skills add RBraga01/Quality-Engineering-Skills
```

Or clone directly:

```bash
git clone https://github.com/RBraga01/Quality-Engineering-Skills.git
```

Or [download as ZIP](https://github.com/RBraga01/Quality-Engineering-Skills/archive/refs/heads/master.zip).

---

## What this solves

AI agents are powerful — but they don't know 8D from PDCA, can't apply the AIAG-VDA Action Priority table, and generate generic NCR text that no auditor would accept.

**Quality-Engineering-Skills packages decades of hands-on quality engineering expertise** — automotive supplier quality, claims management, 8D, FMEA, PPAP, and ISO 9001 auditing — into structured skills your AI agent can load and apply immediately.

Every skill maps to specific standard clauses. Every agent validates methodology, not just format.

---

## Coverage

| Domain | Skills | Standards |
|--------|--------|-----------|
| Problem Solving | 8D (D0–D8), 5-Why, Fishbone, Is/Is-Not, PDCA, DMAIC, Zeroing (双归零) | ISO 9001 §10.2, IATF 16949 §10.2.3, GB/T 29076—2021 |
| Risk Analysis | PFMEA, DFMEA, Action Priority (AP) | AIAG-VDA FMEA 2019, IATF 16949 §8.3 |
| Planning | PPAP (5 levels, 18 elements), APQP (5 phases), Control Plan, DVP&R | AIAG PPAP 4th Ed, IATF 16949 §8.3.4 |
| Measurement | MSA / Gauge R&R, SPC / Control Charts | AIAG MSA 4th Ed, AIAG SPC 2nd Ed |
| Documentation | NCR, CAR, 8D Customer Report | ISO 9001 §7.5, §8.7, §10.2 |
| Audit | ISO 9001 Internal, IATF 16949 Supplemental, VDA 6.3 | ISO 9001:2015, IATF 16949:2016, VDA 6.3 2023 |
| Supplier Quality | Supplier SCAR, corrective action escalation | ISO 9001 §8.4, IATF 16949 §8.4.1 |

| Industries covered |
|----|
| Automotive · Electronics · Aerospace · Medical Devices · General Manufacturing |

---

## 8 Agents

Drop these into any project and your AI becomes a trained quality professional.

### `/8d-coach`
Guides you through a full 8D — D0 emergency response to D8 team recognition. Validates root cause depth (rejects "human error" without systemic analysis), verifies containment before moving to D4, and checks D7 prevention updates.

```
/8d-coach
> D0: Is this a safety or regulatory issue? [Y/N]
> D1: List team members by function (minimum: quality, production, engineering)
> D2: Describe the defect — What? Where? When? How many? ...
```

### `/fmea-reviewer`
Audits an existing PFMEA or DFMEA against AIAG-VDA 2019. Returns a structured gap report: missing failure modes, incorrect AP ratings, unaddressed H-AP items, missing special characteristics.

### `/rca-facilitator`
Runs a structured 5-Why with chain validation. Challenges each answer with evidence requirements. Detects symptomatic vs. systemic root causes. Catches circular reasoning. Produces a validated, reversible Why chain.

### `/ncr-writer`
Takes bullet-point observations and generates professional NCR text: objective evidence language, severity classification (Critical/Major/Minor), and disposition recommendation. No more "part looks wrong."

### `/audit-guide`
Interactive internal audit for ISO 9001 or IATF 16949. Works clause by clause, scores findings (Major/Minor/OFI), generates a structured audit report with evidence references.

### `/ppap-checker`
Interactive PPAP completeness checker — walks through all 18 PPAP elements for the requested submission level, flags missing or incomplete items, and generates a gap report before PSW signature.

### `/control-plan-builder`
Builds a Control Plan row by row from PFMEA failure modes and process flow steps. Validates reaction plans, sample plans, and special characteristic coverage. Supports D7 update mode after corrective actions.

### `/skill-auditor`
Automated audit and scoring of SKILL.md and REFERENCE files against framework standards.

---

## Skill index

<details>
<summary>Problem Solving (ISO 9001 §10.2 · GB/T 29076—2021)</summary>

| Skill | Description |
|-------|-------------|
| [8d-problem-solving](skills/problem-solving/8d-problem-solving/) | Full D0–D8 methodology with discipline-by-discipline instructions, templates, and validation criteria |
| [5why-root-cause](skills/problem-solving/5why-root-cause/) | Structured 5-Why chain construction, evidence validation, systemic vs. symptomatic detection |
| [fishbone-analysis](skills/problem-solving/fishbone-analysis/) | Ishikawa diagram using 6M (Man, Machine, Method, Material, Measurement, Environment) |
| [is-is-not-scoping](skills/problem-solving/is-is-not-scoping/) | Ford D2 problem scoping tool — defines problem boundary and eliminates hypotheses |
| [pdca-improvement](skills/problem-solving/pdca-improvement/) | Plan-Do-Check-Act cycle structure with gate criteria for continuous improvement |
| [dmaic](skills/problem-solving/dmaic/) | Six Sigma DMAIC — five-phase structured improvement for chronic, data-driven problems |
| [quality-problem-zeroing](skills/problem-solving/quality-problem-zeroing/) | 双归零 double-five zeroing under GB/T 29076—2021 — technical and management zeroing with evidence gates and formal closure |

</details>

<details>
<summary>Risk Analysis (AIAG-VDA FMEA 2019)</summary>

| Skill | Description |
|-------|-------------|
| [pfmea-process](skills/risk-analysis/pfmea-process/) | 7-step Process FMEA per AIAG-VDA 2019: Structure → Function → Failure → Risk → Optimization |
| [dfmea-design](skills/risk-analysis/dfmea-design/) | Design FMEA with interface matrix and design intent failure analysis |
| [action-priority-ap](skills/risk-analysis/action-priority-ap/) | AP table logic replacing legacy RPN — H/M/L classification with action requirements |

</details>

<details>
<summary>Planning (AIAG PPAP 4th Ed · APQP 2nd Ed · IATF 16949 §8.3)</summary>

| Skill | Description |
|-------|-------------|
| [ppap](skills/planning/ppap/) | PPAP 5 levels, 18 elements, OEM-specific requirements (Ford, BMW, VW, Stellantis) |
| [apqp](skills/planning/apqp/) | APQP 5 phases with gate criteria, deliverables per phase, and timing guidelines |
| [control-plan](skills/planning/control-plan/) | Control Plan structure, PFMEA linkage, reaction plan requirements, audit checklist |
| [dvp-test-plan](skills/planning/dvp-test-plan/) | Design Verification Plan linked to DFMEA failure modes — test categories, criteria, tracking |

</details>

<details>
<summary>Measurement (AIAG MSA 4th Ed · SPC 2nd Ed)</summary>

| Skill | Description |
|-------|-------------|
| [msa-gauge-rr](skills/measurement/msa-gauge-rr/) | Gauge R&R study types, %GRR interpretation, ndc, attribute MSA — PPAP requirement |
| [spc-control-charts](skills/measurement/spc-control-charts/) | Chart selection, Western Electric rules, Cp/Cpk/Pp/Ppk calculation and interpretation |

</details>

<details>
<summary>Documentation (ISO 9001 §7.5, §8.7, §10.2)</summary>

| Skill | Description |
|-------|-------------|
| [ncr-writing](skills/documentation/ncr-writing/) | Non-Conformance Report: objective evidence language, severity grading, disposition |
| [car-corrective-action](skills/documentation/car-corrective-action/) | Corrective Action Request with effectiveness verification requirements |
| [8d-report-writing](skills/documentation/8d-report-writing/) | Customer-facing 8D report writing for OEM submission (Ford, BMW, VW, Stellantis) |

</details>

<details>
<summary>Audit (ISO 9001 §9.2 · IATF 16949 §9.2.2 · VDA 6.3)</summary>

| Skill | Description |
|-------|-------------|
| [iso-9001-internal-audit](skills/audit/iso-9001-internal-audit/) | §4–§10 internal audit question bank with finding classification |
| [iatf-16949-audit](skills/audit/iatf-16949-audit/) | IATF 16949 supplemental requirements audit — CSR, contingency plans, error-proofing |
| [vda-6-3-audit](skills/audit/vda-6-3-audit/) | VDA 6.3 process audit P1–P7, 0–10 rating, A/B/C degree of fulfillment — 4th ed 2023 |

</details>

<details>
<summary>Supplier Quality (ISO 9001 §8.4)</summary>

| Skill | Description |
|-------|-------------|
| [supplier-scar](skills/supplier-quality/supplier-scar/) | Supplier Corrective Action Request — escalation criteria, 8D response evaluation, effectiveness verification |

</details>

<details>
<summary>Agents</summary>

| Agent | Description |
|-------|-------------|
| [8d-coach](skills/agents/8d-coach/) | Interactive D0–D8 coach with validation gates |
| [fmea-reviewer](skills/agents/fmea-reviewer/) | PFMEA/DFMEA gap audit against AIAG-VDA 2019 |
| [rca-facilitator](skills/agents/rca-facilitator/) | Structured 5-Why with evidence validation |
| [ncr-writer](skills/agents/ncr-writer/) | Professional NCR generator from bullet inputs |
| [audit-guide](skills/agents/audit-guide/) | Interactive ISO 9001 / IATF internal audit |
| [ppap-checker](skills/agents/ppap-checker/) | Interactive 18-element PPAP completeness checker with OEM-specific gates |
| [control-plan-builder](skills/agents/control-plan-builder/) | Row-by-row Control Plan builder from PFMEA data — includes D7 update mode |
| [skill-auditor](skills/agents/skill-auditor/) | Automated audit and scoring of SKILL.md and REFERENCE files against framework standards |

</details>

---

## Framework mapping

Every `SKILL.md` carries metadata linking it to the standards it implements.

```yaml
metadata:
  iso-9001: "10.2"
  iatf-16949: "10.2.3"
  domain: quality-engineering
  industries: automotive,electronics,aerospace,medical,general
```

---

## Roadmap

**v2 (current):** Problem solving · Risk analysis · PPAP · APQP · Control Plan · DVP&R · MSA · SPC · VDA 6.3 · DMAIC · Supplier SCAR · Quality problem zeroing — 23 skills, 8 agents

**v3:** AS9100 Rev D (aerospace) · ISO 13485 (medical devices) · HACCP / ISO 22000 (food safety)

**v4:** Supplier qualification workflows · AQL sampling plans · VDA 6.5 product audit

**Multilingual:** PT · DE · ES · ZH

---

## Contributing

Quality engineering is global. If you have domain expertise to add:

- **Aerospace:** AS9100, AS13100, RCCA
- **Medical devices:** ISO 13485, FDA 21 CFR Part 820
- **Food safety:** HACCP, ISO 22000, FSSC 22000
- **Statistics:** AQL sampling plans, attribute SPC
- **Automotive:** OEM customer-specific requirements (Ford CSR, BMW, VW QMSS)

See [CONTRIBUTING.md](CONTRIBUTING.md) for the skill format and submission process.

---

## Authors

**[@RBraga01](https://github.com/RBraga01)** — 15+ years in quality engineering. Claim manager for ~30 electronic component suppliers — receives OEM customer complaints and manages the full escalation to the respective suppliers. Created Quality Engineering Skills to bring structured methodology to AI agents in the quality domain.

**[@migmcc](https://github.com/migmcc)** — 25+ years in quality engineering. Claim manager handling OEM customer complaints and escalations across electromechanical and mechanical suppliers. 8D and problem-solving expert. Responsible for the skill content that makes the methodology accurate and practitioner-grade.

---

## Standards and trademarks

These skills describe how quality methodologies work and cite the clause or step
each one corresponds to. They **do not reproduce** the standards themselves —
no rating criteria tables, question catalogues, forms or worksheets are copied
from any manual. Where a value is defined only by the authoritative document, the
skill tells the agent to consult your licensed copy rather than guess.

The MIT licence covers this repository's original content only. It does not
extend to any ISO, IATF, AIAG or VDA publication, and owning the rights to use a
standard remains your responsibility.

ISO, IATF, AIAG, VDA and the OEM names used here are trademarks of their
respective owners. **This project is not affiliated with, endorsed by, or
certified by any of them.** Using these skills does not make anything compliant
with a standard and does not substitute for audit or certification by an
accredited body.

See [THIRD_PARTY_CONTENT.md](THIRD_PARTY_CONTENT.md) for the per-standard
breakdown of what this project contains and on what basis.

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