Supabase JS Client for Knowledge Retrieval in n8n

This n8n workflow utilizes the isomorphic @supabase/supabase-js v2.57.2 client to connect n8n automations with Supabase services, enabling efficient knowledge retrieval for business intelligence applications. It supports querying PostgreSQL databases, realtime subscriptions, and advanced features like pgvector for semantic search, making it ideal for RAG (Retrieval-Augmented Generation) pipelines. The workflow handles authentication, data fetching, and processing seamlessly across Node.js environments.

Key benefits include reduced development time through pre-configured scripts for building, testing, and deploying integrations, ensuring reliability with comprehensive test suites (unit, integration, browser). It saves hours of manual coding by providing ready-to-use functions for CRUD operations, edge functions testing, and TypeScript typings, enhancing scalability for enterprise BI needs.

Use cases span AI-driven knowledge bases for customer support, dynamic BI dashboards pulling realtime data, e-commerce product recommendations via similarity search, and automated reporting from Supabase storage. Whether embedding vectors for LLM augmentation or syncing data across apps, this workflow boosts productivity and data-driven decision-making.

Built with MIT license and active GitHub maintenance, it includes tools for coverage reporting, Deno compatibility, and docs generation, ensuring robust deployment in production n8n instances.