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Goal

Build a Shopify extension that:

  • Loads all Shopify store products
  • Extracts structured product data
  • Feeds product data + external knowledge sources into a RAG backend
  • Answers customer questions via conversational AI in real time

Target users

  • Shopify stores of all sizes
  • Stores with >100 products who want better AI assistance
  • Merchants looking for AI to reduce support costs and increase conversions

Value propositions

  • Instant AI answers based on actual store catalog
  • Supports multilingual catalogs
  • Smart fallback to external knowledge (brand FAQs, shipping policies, etc.)

Deliverables:

  • Core Shopify extension
  • Backend system with product ingest + RAG pipeline
  • Web admin dashboard for settings and analytics
  • Chat widget for storefront

Front end

  • Shopify App Extension (Theme App Extension)
  • Embedded App via Shopify App Bridge
  • Storefront Chat UI built with React

Backend

  • Node.js / Python (FastAPI) microservices
  • Database (PostgreSQL / MongoDB) for storing products and knowledge base
  • Search Engine (Elasticsearch, Pinecone, or Weaviate)

AI / RAG

  • Ingest product data into vector store
  • Use OpenAI embeddings
  • Prompt engineering for RAG queries
  • Caching layer for repeated questions

Shopify Integration

  • Admin API for product fetch and updates
  • Webhooks for real-time product sync
  • ScriptTag or Shopify UI Extension for Customer Chat

Phase 0 - Research & Scoping (Week 1)

  • Identify data fields needed for product understanding
  • Study Shopify Docs for extensions and API limits
  • Evaluate vector DB (Pinecone vs Milvus vs Weaviate)
  • Set AWS / GCP / Azure infra

Phase 1 - MVP Backend & Data Ingestion

  • Create app skeleton with Shopify CLI
  • Build product sync module
    • Full catalog import
    • Delta updates with webhooks
  • Define knowledge base schema
  • Setup vector DB + embeddings pipeline

Phase 2 - AI & RAG System

  • Write embedding generators
  • Build RAG prompt templates
  • Test quality with sample products
  • Implement fallback sources (FAQs, policy docs)

Phase 3 - Chat UI & Shopify Extension

  • Build storefront chat widget
  • Integrate chat with backend
  • Add admin UI for settings (chat styles, triggers)

Phase 4 - Analytics & Learning

  • Track user queries
  • Improve prompts based on usage
  • Dashboard for merchants (top questions, metrics)

Phase 5 - QA and Pre-Launch

  • Store testing
  • Cross browser/device testing
  • Secure OAuth and OAuth scopes
  • Beta release to test merchants

Product Ingestion

  • Sync all product attributes
  • Use Shopify webhooks to maintain updates
  • Normalize variants and metafields

Vector Storage

  • Use a scalable store
  • Incremental updates without full reingest

Prompt Engineering

  • Mix product data + store policies
  • Reuse OpenAI search / embeddings
  • Example:
System: You are a Shopify product support AI
Context: [Product description, price, tags]
Question: [User query]

Latency

  • Pre-cache common questions
  • Fast retrieval from vector DB

Security

  • Store tokens securely
  • Respect store privacy

Docs & Competitors

Setup Shopify & App

Design database schema for RAG

Marketing Plan