Langchain agents

Complete hands-on Agentic AI bootcamp repository covering LangGraph, LangChain, AI Agents, multi-agent workflows, RAG pipelines, tool-augmented LLM systems, memory architectures, and production-grade AI application engineering for real-world intelligent systems.

🤖 Chatbot assistant Javis ( LangChain+ OpenAI + Gemini + React + OAuth2 + OIDC )

Fully local, privacy-first autonomous AI agent for laptop management — LangGraph reasoning loop, Ollama local LLM, ChromaDB RAG, MCP server, SHA-256 chained audit log. Zero API keys. Zero cloud calls.

Demo application to chat with a book (using LangChain and Open AI GPT LLM)

Multi-agent AI assistant for ICU clinical teams, retrieves evidence from medical literature, analyses chest X-rays, brain MRIs & skin lesions, and answers clinical questions using RAG, LangGraph, and GPT-4o.

SpringAI与LangChain4j学习dome

Open-source LangGraph AI marketing agent — social content, email campaigns, audience research, lead funnel, auto-posting

An educational example agent built with LangChain, LangGraph, a local Ollama model, and one MCP tool. It scans news and price data for a narrow scope: equities (stocks) and ETFs only. It is a news/trend summarizer, not a financial advisor -- it never recommends buying or selling anything.

Secure your AI agents with policy-based authorization. Wraps browser-use, Playwright, LangChain, and PydanticAI with pre-action guardrails and post-execution verification.

手搓 openclaw

ZpAgent - ReAct Agent (ChatBot)Project Built with LangChain 1.2 + LangGraph + FastAPI + Vue 3, this is a ReAct-paradigm intelligent agent that supports SSE streaming output, dynamic multi-tool selection, multi-turn conversational memory, and Human-in-the-Loop tool approval.

An intelligent Telegram bot for searching and monitoring Kleinanzeigen. Features AI-powered query optimization (GenAI), semantic filtering, and real-time automated alerts.

LangGraph-based Supervisor-Worker multi-agent framework with a modern web GUI.

Been building this for 6 months. Finally at a place where I'm comfortable sharing it.

WanderMind is an AI-powered, multi-agent travel planner. It turns natural language input into smart, real-time itineraries using LLMs and modular AI agents. Get personalized suggestions for flights, weather, food, events, and more—all displayed in a dynamic dashboard.

A1 – Know Your Agent Verifiable Authorization for Multi-Agent AI

MCP server for LangChain, LangGraph & DeepAgents knowledge + LangGraph agent debugging (Polly-like)

In an industry where personalization is key to customer satisfaction, your company wants to revolutionize how clients interact with real estate listings. The goal is to create a personalized experience for each buyer, making the property search process more engaging and tailored to individual preferences.

Multi-Agent AI with CrewAI | AI leveraging System 2 Thinking for intelligent decision-making. Scalable, adaptive, and efficient multi-agent collaboration for real-world applications.

Experimenting with langchain document QA with a set of PDFs

RAG powered PDF Q&A with source citations. LangChain, FAISS and LLaMA 3.3 via Groq

This is the Rust language implementation of LangChain, The easiest way to write LLM-based programs in Rust

An agentic multimodal RAG assistant with voice queries, PDF/image understanding, web search, and grounded answers.

Bring Your AI Agent Live Resources! AI Agent MCP Skills Deployment Templates LangChain/ChatGPT Apps/Claude SubAgents/Agentscope and more Development

AI agent with conversational memory, RAG, multi-provider voice (STT/TTS), Gmail + IMAP email integration, and agentic tool use

📄 Automate contract review for Global Mobility with AI; extract key data, generate clear insights, and produce professional Excel reports.

CleverCall utilizes Cloudflare's AI for function calling, fetching dynamic data from APIs like GitHub and Yahoo Finance.

基于 AI Agent 的车载智能氛围编排系统，通过环境感知驱动"时空叙事"体验。

A simple ai agent build with embedding, rag, memory etc. you can get inspired if you want to dive into agent career. it is very simple to learn.

An example application that exposes a multi-step, quality-controlled LLM workflow built with LangGraph through a FastAPI service.

Modular framework for building topic-specific advisors powered by large language models, using LangChain, LangGraph, and Pydantic.

jingu-trust-gate – deterministic admission layer that blocks LLM hallucinations from becoming system state

VTuber data visualization site with ETL pipeline and AI agent

A Python Interface to macOS Accessibility API for UI Automation and AI Agents.

🚀 Automated Code Correction Framework An AI-powered debugging tool that: ✅ Captures and logs errors from executed programs ✅ Analyzes errors and provides explanations with real-world examples ✅ Automatically corrects faulty code using LLMs (Google Gemini, OpenAI, Claude, etc.). Built with Python and LangChain.

Recruitment.ai is a part of refhired.com for ai based filtering resumes / cv and using agentic ai workflow for more advance tasks.

30-day challenge: AWS (Chandana) + Agentic AI (Punith). Daily notes, working code, and the beginner-to-advanced gotchas tutorials skip — Lambda, IAM, RAG, MCP, Bedrock, LangChain, and more.

Official MCP server for Agent payment infrastructure for AI agents. MCP server for autonomous stablecoin transfers, currency swaps & agent wallets. Works with Claude, LangChain, CrewAI. Settled on Hedera.

🤖 Automate job applications with a multi-agent system that uses Kafka for seamless data ingestion and efficient document preparation.

Passport & visa system for AI agent credentials. Detect, classify, and govern API keys, tokens, and secrets across MCP, OpenAI, Anthropic, LangChain, and more. Encrypted vault, policy engine, audit trails, delegation chains. Drop-in MCP server replaces plaintext credential storage.

A hands-on guide to building and orchestrating AI agents with LangGraph and CrewAI, from fundamentals to deployment with FastAPI and Streamlit. Learn agent architecture, memory management, and production patterns.

This repository showcases the implementation of a Multi-Agent Research RAG (Retriever-Augmented Generation) Tool built with LangGraph.

Agent Force is a cutting-edge AI research platform that orchestrates multiple specialized AI agents to conduct comprehensive market research, competitive analysis, and strategic business insights in real-time.

Before Google integrated Gemini into Google Workspace & Gmail, I built a multi-agent AI system using CrewAI, Flask, & React. Summarizes Gmail emails, generates replies with human review, extracts AI newsletters, & posts to X/LinkedIn. Customizable, scalable, & modern.

LangGraph Memory Chatbot — Persistent Conversational AI with LangChain + FastAPI + Streamlit

Master Thesis Project about Agent and Multi-Agent Teaching Systems combined with Personal Memory

🗺️ MRRA: A Mobility Retrieve-and-Reflect Agent for Mobility Prediction.

This repository hosts a Jupyter notebook that demonstrates the seamless integration of the Bard API with the LangChain library. By leveraging the capabilities of both platforms, we've crafted a custom Language Learning Model (LLM) that allows users to harness the power of Bard within the LangChain ecosystem.

Run Ollama models on Google Colab

🎨 Create stunning product marketing visuals and content effortlessly with our multi-agent system using the Swarms framework.

Large Language Model (LLM) chatbot with a custom knowledge base

A template of AI Chatbot built with Pinecone, LangChain, HarperDB and Next.js, deployed to Vercel.

Infinite power but in a pendrive

Enhancing Text Retrieval with Metadata Filters using MongoDB and LangChain Agent

zmongo_toolbag contains an easy to use MongoDB wrapper with a Langchain Vector Search Retriever implementation

RAG with Redis. Parallel implementations with/without guardrails.

AI-powered medical chatbot capable of providing symptom-based advice, recommending doctors, and retrieving medical documents.

Integrate any AI agents with Solana-based protocols. (https://github.com/PingAIFun/ping-mcp)

Semantic Search on Langchain Github Issues with Weaviate

Alpaca, Bloom, DeciLM, Falcon, Vicuna, Llama2, Zephyr, Mistral(MoE), RAG, Reranking, Langchain, Langsmith..

A powerful AI chatbot built with Streamlit and Groq API that combines text-based interaction, document processing, and vector search capabilities. Features include multi-format document handling (PDF, PPT, Excel) and intelligent model selection.

Text Correction Application with LangChain, LangGraph, and LLM

It is a sophisticated agent designed to meet a wide range of user needs through advanced language understanding and decision-making capabilities. Powered by Google's LLM Gemini-Pro,, this agent integrates a suite of special tools to facilitate searches across various platforms including DuckDuckGo, Wikipedia, Google Scholar and Arxiv.

Learn GenAI by integrating OpenAI GPT, Google Gemini, Ollama and HuggingFace models using LangChain, LlamaIndex and Pinecone.

(Developing) A realistic anime waifu chatbot based on Google Gemini and Langchain library.

An AI-powered code reviewer supporting multiple programming languages, including: Python, JavaScript, Ruby, Java, SQL

LangChain agent with ollama for QA your papers

Langchain agent that generates and executes Python code to interact with Airtable using the MCP code execution pattern from [Anthropic's blog](https://www.anthropic.com/engineering/code-execution-with-mcp).

LangGraph-powered conversational AI assistant — multi-turn memory, OpenRouter API, tool calling, OOP architecture. Live on Render.

The bridge between AI and your UI. Type-safe AI tool definitions with RBAC, approvals, PII protection, and UI action dispatch.

🎓 AI-powered student productivity suite: convert docs to notes, manage timetables & todos, and chat with Isabella AI using a RAG-powered knowledge assistant. FastAPI + React + MongoDB + Gemini/LongCat/GPT/Microsoft/Mistral models.

A local multi-agent RAG system where four LangGraph agents (Planner → Retriever → Critic → Synthesizer) collaborate to answer research questions from academic PDFs, with real benchmark results: 87% RAGAS faithfulness, 22pp hallucination reduction via LLM-as-judge, and 0% failure rate under Locust load testing.

This is a Streamlit app that leverages LangChain, a language processing toolchain, to generate responses based on user prompts and perform document similarity searches using Chroma.

Privacy-first local RAG app — chat with your PDFs using Ollama (llama3) + LangChain + ChromaDB + Streamlit. 100% offline, no API key needed.

This project is an AI-powered cold email generator designed to craft personalized and professional email templates for outreach. Built with advanced natural language processing (NLP) models, it enables users to input key details and generate tailored emails for various use cases, such as sales, networking, or recruitment.

Mission control for AI agents

Local AI coder agent in langgraph. like lovable but works locally.

PickSmart AI-powered shopping assistant platform for personalized product recommendations implemented by Groq API, Tavily, Langchain, and Langgraph

AI chat tool for creating a person and chat with it.

Document understanding with GPT 3.5 integrated with Telegram

Stay ahead with KnowEdge – giving your knowledge an edge through AI-powered learning and smart insights.

Framework to build secure, performant and reliable chat apps and services quickly and efficiently.

ClassBuddy is a full-stack web application designed to enhance classroom collaboration, note sharing, and communication between students and teachers.

LangChain + LangGraph client using tools from a MCP server

Simple Generative AI enabled Streamlit web application that answers general questions from PDF documents provided to it.

Ejemplos de código de LangChain y OpenAI

Tool-using GPT agent, equipped with Knowledge Base and ability to search using Google.

The MCQ Generator, using Langchain, creates tailored multiple-choice questions from input text. With a Streamlit interface, users upload files and customize MCQ quantity, subject, and complexity. It intelligently generates questions and logs events for tracking.

Multimindbot is a chatbot designed to help users find specific content without having to search through the entire website. It is specially tailored for the college admission counseling process and keeps a record of the chat history for the current session. The entire chatbot is created using Rag-langchain and Streamlit.

Developed a web application utilizing Streamlit, LangChain, and OpenAI's GPT model, designed to analyze, review, and enhance code quality, providing users with intelligent feedback and optimized code solutions.

An enterprise-grade, full-stack AI travel planner which provides data-driven itineraries for Lucknow, India and showcases production-ready architecture, combining a FastAPI backend with a Streamlit frontend. It leverages an advanced agentic RAG system, context-aware responses by integrating a local knowledge base with live, external APIs.

AI-powered CSV dashboard with chat-based data querying, auto-generated reports, and visual insights using FastAPI, LangChain & Gemini.

ScholarAI: multi-agent ai deep researcher built using langgraph and gemini-2.5 models

AI Chatbot powered by GPT-3.5-Turbo API by OpenAI. Complete with login functionalities and additional features using MySQL

Langchain Tool wrapped around Ionic SDK & OpenAPI Spec

Telegram bot that uses preset prompts to help users communicate like native English speakers.