LangChain Starter Projects LLM Tools

Learning-focused LangChain implementations and tutorials using Node.js/JavaScript, including sandboxes, templates, and experimental projects. Does NOT include production frameworks, deployed applications, or tools built with LangChain that solve specific business problems.

There are 92 langchain starter projects tools tracked. 2 score above 50 (established tier). The highest-rated is langchain-ai/langsmith-docs at 59/100 with 163 stars.

Get all 92 projects as JSON

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#	Tool	Score	Tier	Stars	Language
1	langchain-ai/langsmith-docs This repo is deprecated. Please go to langchain-ai/docs.	59	Established	163	JavaScript
2	stepanogil/autonomous-hr-chatbot An autonomous HR agent that can answer user queries using tools	50	Established	441	Jupyter Notebook
3	neondatabase/examples Examples and code snippets demonstrating common ways of integrating Neon...	47	Emerging	70	TypeScript
4	jina-ai/langchain-serve ⚡ Langchain apps in production using Jina & FastAPI	45	Emerging	1,633	Python
5	julianduque/heroku-langchain Integrate LangChainJS with Heroku's Managed Inference and Agents (Mia) services	45	Emerging	4	TypeScript
6	ricklamers/shell-ai LangChain powered shell command generator and runner CLI	44	Emerging	1,152	Python
7	Azure-Samples/aks-openai-chainlit-terraform This sample shows how to create two AKS-hosted chat applications that use...	42	Emerging	44	HCL
8	mayooear/langchain-js-tutorial LangChain beginner's tutorial for javascript/typescript	41	Emerging	190	TypeScript
9	CodelyTV/add_ai_follwing_best_practices-course Add Artificial Intelligence following best practices course examples	40	Emerging	34	TypeScript
10	hazemKrimi/touch-programming Master touch typing with real code snippets from your favorite programming...	39	Emerging	1	TypeScript
11	PromptMixerDev/prompt-mixer-langchain-tavily-search-openai-connector Tavily-OpenAI connector harnesses Tavily's web research capabilities and...	36	Emerging	5	JavaScript
12	lostintangent/codespaces-langchain 🦜🔗 A Codespaces template for getting up-and-running with LangChain in seconds!	36	Emerging	112	—
13	lucasboscatti/Whatsapp-Langgraph-Agent-Integration A WhatsApp AI Agent powered by LangGraph, FastAPI, and Groq. Acts as an...	36	Emerging	87	Python
14	S4nfs/Algolisa All-in-one repository of Production-ready tutorials on languages and...	34	Emerging	5	JavaScript
15	SingularityLabs-ai/llm-playground-chain Langchain for Browser Extensions	34	Emerging	3	TypeScript
16	Azure-Samples/openai-langchainjs Demonstrates how to use Azure OpenAI with LangChain.js	34	Emerging	7	Bicep
17	developersdigest/function-chain The FunctionChain is a tool that simplifies and organizes the process of...	33	Emerging	54	JavaScript
18	guidanoli/thinkchain 🧠 ThinkChain	33	Emerging	7	TypeScript
19	dissorial/Chainlit-OpenAI-Functions OpenAI functions + Chainlit + Streaming responses. Chain multiple functions...	32	Emerging	33	Python
20	CapgeminiInventUK/langscout Open source LLM trace tool for Langchain built on MongoDB	31	Emerging	13	TypeScript
21	gilfernandes/router_chain_playground Project dedicated to explore the capabilities of LLMRouterChain	31	Emerging	22	HTML
22	postman-open-technologies/bingchain Capable Langchain/AutoGPT alternative in ~350 lines of core code	30	Emerging	20	JavaScript
23	kdjlyy/LangGraphChatBot 基于 LangGraph 实现的聊天机器人，接入 DeepSeek、Qwen、智谱 AI 多个 LLM 模型，支持在线搜索和文件解析。	30	Emerging	9	Python
24	amalshehu/langchain-js-realworld Langchain realworld examples in JS	30	Emerging	186	JavaScript
25	qingpingwang/chat-agent 具备长期记忆和实时流式响应的 AI 聊天助手，基于 LangGraph + Flask + SSE 构建	30	Emerging	3	HTML
26	Archaversine/TypeChain Proof of Concept Implementation of Langchain in Haskell	28	Experimental	8	Haskell
27	liteli1987gmail/js-langchain-CN langchain中文网JS版本 langchain的中文文档	28	Experimental	26	JavaScript
28	NexTech-Fusion/langchain-express-starter Langchain 🦜 running🏃‍♀️ on express including file reader and history management	28	Experimental	10	TypeScript
29	RockChinQ/qcg-center LangBot 项目的中央服务端程序｜遥测、数据处理、BI、模型分发	28	Experimental	8	Go
30	gradientsandgrit/langsync Sync your team's data to your LLM applications in real-time	28	Experimental	10	TypeScript
31	julian-hecker/naitive Showcase using Langchain in a React Native application	28	Experimental	10	TypeScript
32	utkarsh5026/ProgChain Explore programming concepts, prepare for interviews, and deepen your...	27	Experimental	1	TypeScript
33	smallnest/langchat 一个基于 langgraphgo 实现的会话智能体框架，其他都为你做好了，你只需专注业务逻辑开发	25	Experimental	20	HTML
34	WwHeshi/ChatAgent ChatAgent 是一个基于 LLM 的智能体交流平台，内置默认 Agent 并支持用户自定义 Agent。通过多轮对话和任务协作，Agent...	24	Experimental	3	Python
35	gzlliyu/chatStreamAiAgent 使用LLM大模型、langchain、fastapi、agent等技术实现ai和用户聊天，并且支持本地向量库、api接口工具，支持http sse流式输出	23	Experimental	18	Python
36	rajesh9943/Customer-Support-Agentic-AI This AI customer support agent uses LangGraph and LangChain for query...	23	Experimental	3	Jupyter Notebook
37	pablocastilla/fastapi_langchain combining fast api and langchain	23	Experimental	3	Python
38	linnienaryshkin/ai-polygon LangChain Sandbox \| AI knowledge-base	22	Experimental	—	TypeScript
39	Mdsakha127/bns-lang- Create PLC ladder logic using a simple numeric language that compiles...	22	Experimental	—	JavaScript
40	RelevanceAI/relevance-chain-sdk The managed, developer-first SDK for building LLM chains.	22	Experimental	6	TypeScript
41	Alchemist1411/LangChain Perform on-chain actions on Sonic blockchain using AI	22	Experimental	2	TypeScript
42	kawamataryo/sandbox-summary-by-langhchain sample code to summarize a web page using LangChain	22	Experimental	2	TypeScript
43	antoinewg/langchain-agent-collection Collection of Langchain agents	22	Experimental	6	TypeScript
44	evanwrm/solidchain Small demo application for testing llms	21	Experimental	—	TypeScript
45	linnienaryshkin/langchain LangChain Sandbox \| AI knowledge-base	21	Experimental	—	TypeScript
46	Bluboks/langchain-codex-oauth-js Unofficial LangChain JS chat model for OpenAI Codex OAuth in Node.js and TypeScript	21	Experimental	—	TypeScript
47	ujeebu/ujeebu-langchain-js LangChain integration for Ujeebu Extract API - extract clean, structured...	21	Experimental	—	TypeScript
48	jibbs1703/Retail-Chat-Agent-Backend This repository contains the scripts to build and deploy the backend...	21	Experimental	—	Python
49	bsorrentino/langchain-labs AI experimentation using langchain framework	21	Experimental	1	TypeScript
50	AltairaLabs/promptpack-langchainjs LangChain.js integration for PromptPack — an open specification for...	21	Experimental	—	TypeScript
51	kaushikb11/langgraph-customer-support-bot Customer Support Bot using Langgraph	20	Experimental	8	Python
52	BeatrisIlieva/drf-react-gems WEB APPLICATION \| Built with Django Rest Framework, React and LangChain	20	Experimental	2	JavaScript
53	overexpload/thalia Thalia🍃 currently not developing any more.	20	Experimental	5	JavaScript
54	nsmaassel/UserStoryEnhancer Azure Function App to enhance user stories using LangChain & OpenAI's API,...	19	Experimental	1	TypeScript
55	Natanaelvich/langchain-applications_asimov Practical applications of AI using LangChain, by Asimov Academy.	18	Experimental	1	TypeScript
56	Mermade/bingchain Capable Langchain/AutoGPT alternative in ~350 lines of core code	18	Experimental	2	JavaScript
57	Minty-cyber/BasicLingua-Webapp A webapp that shows the demo of how the basiclingua library works	18	Experimental	2	JavaScript
58	OpenBotAuth/openbotauth-demos Langchain example	17	Experimental	—	TypeScript
59	supadata-ai/langchain-js LangChain loader for Supadata. Add YouTube, TikTok, and other video...	17	Experimental	—	TypeScript
60	extrawest/langchain_gen_ai_agent Langchain AI Search Agent	17	Experimental	1	Python
61	alihassanml/chatbot-with-langgraph_groq LangGraph for designing complex conversational flows.	17	Experimental	1	Jupyter Notebook
62	vw-wob-it-edu/KARL KARL, a small robot that can access artificial intelligences and process files.	15	Experimental	—	JavaScript
63	Frank2006x/Aletheia Trust that can't be hidden . Intelligence that can't be compromised	15	Experimental	2	TypeScript
64	kenzic/simple-langsmith-demo Simple LangChain app used to demo LangSmith	14	Experimental	—	JavaScript
65	sali72/my-inner-pages Your journaling companion	14	Experimental	1	—
66	NguyenAnhTuan1912/langchain-genai-example Repo mẫu cho ví dụ về Memory với Langchain. Hiện tại thì có ví dụ về...	14	Experimental	1	TypeScript
67	Ayush272002/Pact Force consensus through conflict.	13	Experimental	—	TypeScript
68	Ashot72/LangChain-Text-Summarization-Image-Generaton LangChain Text Summarization and Image Generation	13	Experimental	10	TypeScript
69	ajcwebdev/langchain-node Template for Deploying a LangChain Node App with Edgio.	13	Experimental	9	JavaScript
70	JonathanHarford/kitchen_mgmt Vibe-Coded AI (LangChain) Kitchen Manager	13	Experimental	—	TypeScript
71	Rafiqdevhub/Langchain-With-Node.js An API with Node and Langchain.	13	Experimental	—	TypeScript
72	surajvariar/General-Agent Deep Agent which connects to Ollama supported models.	13	Experimental	—	Python
73	lumenis-ai/web An AI playground with LangChain	13	Experimental	—	TypeScript
74	joyqi/chatchain Use LangChain to read text and vectorize it for generating dialogue scenarios.	13	Experimental	5	TypeScript
75	cs-joy/langchain-js-py-rs self-learning -> langchain framework. how dows it work? let's explore @langchain-ai	13	Experimental	—	TypeScript
76	diaazg/Personnel_chatbot My LangGraph-built AI assistant that provides conversational access to my...	12	Experimental	3	Jupyter Notebook
77	Rafiqdevhub/codify-backend An API with Node and Langchain.	11	Experimental	—	TypeScript
78	Intellicode/langchain-sandbox Play with langchain	11	Experimental	—	TypeScript
79	briangershon/python-vscode-dev A ready-to-go Python dev environment for LLM projects. Leverages...	11	Experimental	—	Python
80	Katsudon10/LangChainApp React+FastAPI+MySQL+LangChain	11	Experimental	—	JavaScript
81	savareyhano/langchain-agent-bun Simple langchain agent with ollama, agent has tools (search tool using...	11	Experimental	—	TypeScript
82	crafthomelab/oguogu Support your tiny Challenges	11	Experimental	—	Solidity
83	inigomarquinez/learning-langchain 📚 LangChain: Develop AI web-apps with JavaScript and LangChain (Udemy).	11	Experimental	—	JavaScript
84	levivoelz/langchain-websocket-typescript A simple node websocket server example that uses LangChain and Ollama to...	11	Experimental	—	TypeScript
85	briangershon/typescript-vscode-dev Use a VSCode dev container as your virtual TypeScript development...	11	Experimental	—	TypeScript
86	BYDiii-Hashmanii/simple_langraph_chatbot This is simple agentic chatbot with one tool Node and LLM.	11	Experimental	—	Jupyter Notebook
87	jshahid21/omnihelp Production agentic AI customer support system — LangGraph, RAG, SQL, Nginx,...	11	Experimental	—	Python
88	gauravreddy08/GlancyAI GlancyAI is an LLM (like ChatGPT) that you can talk with, and it recommends...	10	Experimental	2	Python
89	0xPratikPatil/LexiChain LexiChain is an AI-powered dictionary app built using LangChain and LLMs.	10	Experimental	2	TypeScript
90	kairos1205/Chainlit-OpenAI-Functions OpenAI functions + Chainlit + Streaming responses. Chain multiple functions...	10	Experimental	1	Python
91	danielferreira-dias/geekathon-here4beer AI Agents Powered Food Supply Chain Optimizer - Intelligent demand...	10	Experimental	1	TypeScript
92	PromptMixerDev/prompt-mixer-langchain-exa-openai-connector LangChain Exa-OpenAI connector leverages web search and flexible AI...	10	Experimental	2	JavaScript