A TypeScript sample app for the Retrieval Augmented Generation pattern running on Azure, using Azure AI Search for retrieval and Azure OpenAI and LangChain large language models (LLMs) to power ChatGPT-style and Q&A experiences.

• UpdatedOct 11, 2025
• TypeScript

A notion chatbot for your knowledge base built with langchain, typescript/javascript and pinecone.

• UpdatedMay 18, 2023
• TypeScript

Plug and play embeddable AI chatbot widget and backend deployment framework

• UpdatedJun 23, 2023
• TypeScript

Open-source RAG evaluation through users' feedback

• UpdatedApr 14, 2024
• TypeScript

Chat to your database with AI. An experimental app to test the abilities of LLMs to query SQL databases using natural language.

• UpdatedMay 1, 2023
• TypeScript

✨ Make your LLM prompts executable and version controlled. ✨

• UpdatedApr 14, 2023
• TypeScript

Revolutionize your ChatGPT experience with our app that boasts advanced front-end features like folder organization and easily shareable chats. Keep your conversations secured by locally storing data and enjoy collaborating with anyone from around the world, without any limitations.

• UpdatedJul 23, 2024
• TypeScript

Chatbot application built using Next.js, React, and OpenAI. This project allows users to communicate with an AI-based chatbot that provides relevant answers to users' queries. The application uses natural language processing (NLP) technology to understand users' queries and provide accurate responses.

• UpdatedApr 13, 2023
• HTML

Personalize ChatGPT using LangChain, and get answers from your own documents and knowledge base.

• UpdatedApr 23, 2023
• TypeScript

This application serves as a demonstration of the integration of langchain.js, Ollama, and ChromaDB to showcase question-answering capabilities. With a focus on Retrieval Augmented Generation (RAG), this app enables shows you how to build context-aware QA systems with the latest information.

• UpdatedFeb 11, 2024
• JavaScript

A framework-agnostic toolset to create and use Functions in LLM-based apps.

• UpdatedJul 11, 2023
• TypeScript

MCP to LangChain Tools Conversion Utility / TypeScript

• UpdatedSep 15, 2025
• TypeScript

Notebooks showing off LangChain.js v0.1.0 features.

• UpdatedJan 8, 2024
• Jupyter Notebook

An intelligent autonomous agent that interacts with blockchain networks: monitoring, analyzing, and transacting on-chain in real-time. Blockchain AI agent especially provide Solana AI agent, EVM AI agent, Sui AI agent. connect on Solana using langchain, blockahin ai agent

• UpdatedNov 26, 2025
• TypeScript

Simple MCP Client CLI Implementation Using LangChain ReAct Agent / TypeScript

• UpdatedSep 3, 2025
• TypeScript

MCP Tools Usage From LangChain ReAct Agent / Example in TypeScript

• UpdatedSep 11, 2025
• TypeScript

Marketing Chatbot built with Next.js, the Vercel AI SDK, OpenAI, LangChain, and MongoDB 💬

• UpdatedDec 4, 2023
• TypeScript

Minimal NextJS chatbot starter template

• UpdatedJul 18, 2024
• TypeScript

A standalone desktop app for talking to my books (PDF,epub)

• UpdatedOct 17, 2023
• TypeScript

Working fork of langchainjs that supports GPT4All 🎉

• UpdatedJun 5, 2025
• TypeScript