Klark is a micro SaaS app for interacting with PDF documents, built with OpenAI API, LangChain.js, Vercel AI SDK, and tRPC SSE subscriptions. It uses PostgreSQL with Drizzle ORM, ChromaDB for embeddings, MinIO for PDF storage, ShadCN/UI with Tailwind, and Lucia for session management.

Generative AI with custom Knowledge base using OpenAI, ChatGPT3.5 Model, Langchain, ChromaDB