langchainjs 开源项目推荐（54 个）

lobehub /lobe-cli-toolbox

🪀 Lobe CLI Toolbox - AI CLI Toolbox, enhancing git commit and i18n workflow efficiency

langchain-ai /langchainjs-mcp-adapters

** 此仓库已迁移至以下地址：https://github.com/langchain-ai/langchainjs/tree/main/libs/langchain-mcp-adapters ** 该仓库包含了用于将Model Context Protocol (MCP)工具与LangChain.js应用程序整合的适配器组件，支持stdio和SSE传输方式。

ItzCrazyKns /Not-Devin

A simplified version of Devin the AI software engineer

lingmengcan /lingmengcan

AIGC应用平台：Lingmengcan AI、大型语言模型、aigc、稳定扩散、langchainjs、nestjs、vue3、naïve ui、DeepSeek、chromadb

kaiban-ai /kaiban-agents-aggregator

A powerful AI-powered newsletter aggregator built with KaibanJS and React.

cleversnail /lang-chain-js-cn

LangChain.js 中文入门电子书 · 9 章 38 个可运行示例。本书适合：会 JavaScript / TypeScript，但没接触过 LangChain；想用 JS/TS 构建 AI 应用：聊天机器人、知识库问答、智能体……；希望边读边跑代码，而不是只看理论。另有 VitePress 站点：https://cleversnail.github.io/lang-chain-js-cn/

Sunny-117 /mini-cc

🤖 一个基于本地 Ollama 模型的代码助手 CLI 工具。集成 LangChain.js，使用模型原生 tool calling 能力实现可靠的工具调用。

Martin-Bruel /nestjs-langchain

AI agents for NestJS, powered by LangChain: declare agents as modules, give them your services as tools.

Yassin97440 /mistral-gagnant

projet utilisant Ollama, expérimentation de RAG, agents, chat à but de faire un assistant perso

wayde1122 /langChain-travelAgent

AI Travel Assistant powered by LangChain.js + Next.js with streaming, MCP tools, and RAG

SAP /langchainjs-integration-for-sap-hana-cloud

Integrates LangChain.js with SAP HANA Cloud to make use of vector search, knowledge graph, and further in-database capabilities as part of LLM-driven applications.

uptonking /langchainjs-langgraphjs-play

langchainjs/langgraphjs playgrounds

Alkush-Pipania /RAG-AI-DOMAIN-GENERATOR

A Retrieval-Augmented Generation (RAG) AI domain name generator built with LangChain.js, powered by Google Gemini 1.5 Flash, and using Text Embedding 003 for vector search. It pulls creative inspiration from a naming guide PDF to suggest unique, catchy .com domains.

actrone /actrone-memory-ts

Persistent memory for AI agents in TypeScript. Short-term session memory plus long-term semantic recall, in-memory by default with Redis and Qdrant adapters. Works with the Vercel AI SDK, LangChain.js, Mastra and more. The TypeScript twin of actrone-memory for Python.

RajNykDhulapkar /klark

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.

aayushpagare21-compcoder /aspirants

This platform is an AI-powered solution designed to enhance UPSC preparation for aspirants.

rustammdev /memory-bot

Per-channel YouTube AI agents with persistent memory, semantic search, smart digests & content gap analysis. LangChain.js + DeepSeek + mem0 + pgvector + Bun.

YashShah22 /email-drafting-api

AI-powered Email Drafting API built with Express.js, LangChain, and Groq — Enter a summary, get a professionally written email in seconds.

Alkush-Pipania /GOOG

GOOG is a RAG Ai tool to generate prompts . friendly frontend like chatgbt . that has conversation and chat features . made up on langchain js , gemini models and clerk auth

nace-ai /langchain-nace-js

LangChain.js integration for Drex decision models by Nace: classifier, router, and agent middleware for model routing and tool gating