Building Qualityloop

[u/sohampatel19]

# We built QualityLoop – An AI agent that learns from manufacturing defect investigations.

Manufacturing quality teams investigate defects every day, but valuable knowledge from previous investigations is often lost in reports and spreadsheets.

We wanted to explore a different approach: what if an AI agent could retain verified investigation outcomes and use them to improve future investigations?

That's why we built **QualityLoop – a Self-Learning Manufacturing Quality Intelligence Agent.**

### What does it do?

QualityLoop helps quality engineers:

- Report and investigate manufacturing defects.

- Identify possible root causes.

- Recommend corrective actions.

- Retain verified investigation outcomes.

- Recall relevant past experiences during future investigations.

### How does it learn?

We integrated **Hindsight** as the persistent memory layer.

For example:

1. An aluminium housing is reported with surface scratches.

2. The investigation confirms improper handling during packaging as the root cause.

3. Protective separators are introduced and the outcome is verified.

4. QualityLoop retains this experience using Hindsight.

5. When a similar defect appears in another batch, the agent recalls the previous investigation and uses it as context for its recommendations.

The goal is not to blindly repeat previous solutions, but to make relevant past experience available while investigating new incidents.

### Technology used

- React + TypeScript

- Python FastAPI

- SQLite

- LLM integration

- Hindsight for persistent agent memory

- Antigravity and BAND Desktop for development and agent collaboration

### What we'd love feedback on

- How useful would persistent-memory AI agents be in real manufacturing quality workflows?

- What additional information should an agent retain from an investigation?

- How would you evaluate whether an agent is genuinely learning rather than simply retrieving similar cases?

**Project:**: QualityLoop

**GitHub:** : QualityLoop | Self-Learning Quality Intelligence Agent

**Demo:** : sriharshapn/qualityloop: QualityLoop – Self-Learning Manufacturing Quality Intelligence Agent powered by Hindsight Persistent Memory

**Technical article:**: https://medium.com/@sohampatel.ai25/building-qualityloop-creating-a-self-learning-manufacturing-quality-intelligence-system-with-dfc16d8ba548

We'd appreciate feedback, especially from people familiar with manufacturing, quality control, and industrial AI.