Langchain agents

🤖 The Ultimate AI Form Filler. Automate complex web forms & PDFs with Voice, generic LLMs (Gemini/Phi-2), and Playwright. The best open-source autonomous form filling agent.

Privacy-first, AI native agents For E-Commerce (and beyond), create skill (langgraph based workflow), tasks, agents, graphically with low code or no code. Deploy agents across network.

Deterministic policy language for AI agents. Z3 + TLA+ dual-engine formal verification. Runtime enforcement <1ms.

RAG 开发者的一站式手册。以 FastAPI + LangChain 为核心技术栈，助力学习者快速掌握从 0 到 1 搭建 RAG 应用的能力，轻松落地企业知识库等实际项目。

A local mock LLM server for early front end development work

Graph-based tool retrieval for LLM agents — 248 tools → 82% accuracy, 79% fewer tokens. Zero dependencies. OpenAPI / MCP / LangChain.

AI 驱动的移动端性能分析 CLI 工具 — 通过自然语言交互自动采集 trace、分析性能瓶颈并归因到源码

LLM budget control and cost governance for AI agents. Python library for token budgets, usage limits and guardrails for OpenAI, Anthropic, LangChain, LangGraph and agentic systems.

基于langchain1.1版本和高德mcp server的多智能体agent旅游助手

ClashCode is a gamified coding platform to learn, practice, and level up through real challenges with AI guidance.

Multi-agent AI system. Autonomous agents coordinating task execution, decision routing, and workflow orchestration using LangChain and LLM Model.

Built an AI SaaS Platform that enables users to access multiple AI-powered tools through a unified dashboard, including content generation, document analysis, chat assistants, and workflow automation with secure authentication and subscription management.

Developed a Multi-Agent Research Assistant that coordinates specialized AI agents to search, analyze, summarize, and synthesize information from multiple sources, delivering comprehensive, citation-backed research reports and actionable insights.

Runnable examples for AI agent identity & compliance — certificate issuance, scope enforcement, and integrations for LangChain, CrewAI, Next.js & more.

Conflict-aware knowledge-graph RAG: temporal contradiction detection, entropy-based path filtering, and calibrated confidence over a Neo4j graph

Production-ready Agentic AI playground featuring Multi-Agent Systems, RAG pipelines, AI automation, MCP integrations, and enterprise AI experiments.

中文公司调研 Agent

My complete journey to becoming an Agentic AI Engineer through structured learning, projects, experiments, and production-ready implementations of modern AI systems.

Local-first RAG evaluation framework for LLM applications. 100% local, no API keys required.

WebSage is an AI Engine that extracts content from any URL, generates summaries, and enables interaction using AI models. Choose between Closed Source (OpenAI) or Open Source (Ollama) for flexible summarization and conversation.

A modular, multi-agent AI research and report generation platform. Enter any topic, and PolyAgent Research Intelligence orchestrates multiple AI agents to retrieve literature, analyze data, and generate a polished report. Built for researchers and AI/ML engineers, leveraging LangChain, FastAPI, PostgreSQL, advanced LLMs, and a Next.js front-end.

A comprehensive AI assistant framework built on LangChain ecosystem with advanced agent orchestration, RAG capabilities, multi-modal document processing, and office automation

LLM Agents: Landing Page Generation for an E-commerce Platform Using CrewAI, Groq-LangChain and Qdrant

A curated list of AI agent frameworks, tools, platforms, and resources

简历智能筛选与管理系统，基于 LangChain + LangGraph + FastAPI 构建，利用大语言模型（LLM）技术，实现简历的智能解析、自动筛选和智能问答，将传统 3-5 分钟的人工筛选缩短至 3-5 秒，效率提升 60 倍以上。

Document Summarization App using large language model (LLM) and Langchain framework. Used a pre-trained T5 model and its tokenizer from Hugging Face Transformers library. Created a summarization pipeline to generate summary using model.

Implementing Chat with Pdf using langchain, React, Cohere & Postgres

God-GPT: a PoC of a godlike autonomous agent that leverages the Dalee-2 and whisper.cpp

Simple chatbot for querying metadata of designs in Autodesk Platform Services using Amazon Bedrock.

A web app with a suite of AI-driven tools for intelligent code refactoring, style checking, test case generation, and cross-language translation, built with Python, Streamlit, and OpenAI.

This code example shows how to make a chatbot for semantic search over documents using Streamlit, LangChain, and various vector databases. The chatbot lets users ask questions and get answers from a document collection. The code is in Python and can be customized for different scenarios and data.

Goose is a Python library for comprehensive, repeatable testing of LLM agents and their tools through conversational scenarios, with a built-in UI for visualization.

Explore new advancements like ChatGPT’s function calling capability, and build a conversational agent using a new syntax called LangChain Expression Language (LCEL) for tasks like tagging, extraction, tool selection, and routing.

A Kotlin-first LLM toolkit offering unified API for AI models (OpenAI, HuggingFace, DeepSeek, custom) and modular data storage. Features agent-enabled architecture with async RAG capabilities and zero boilerplate.

Your friendly investment advisor has now turned into an LLM chatbot!

Question and Answer application using AWS Bedrock, AWS ECS, Langchain, Qdrant, and FastAPI

RAG application with LangChain and Local LLMs powered by Ollama

A beautiful terminal-based AI chat interface built with Textual and LangChain

TypeScript version of the Cheshire Cat AI project

A production-ready Django app implementing Firebase Model Context Protocol (MCP) server with 14 Firebase tools for AI agents. Features standalone agent, HTTP/stdio transport, LangChain integration, and complete Firebase service coverage (Auth, Firestore, Storage).

Summoner's core SDK for building and deploying agents

🐶 PetCare AI Chatbot, powered by Langchain, Ollama, and Flask, utilizes RAG for context-aware answers from PDF documents.

Carter is a streamlined platform designed to help users effortlessly organize, share, and manage their links. With a secure interface, it allows users to save, categorize, and retrieve links in a controlled environment. Emphasizing privacy, Carter keeps links accessible and shareable as needed, empowering users with full control.

Langchain Gradient Integration

A LLaMA2-7b chatbot with memory running on CPU, and optimized using smooth quantization, 4-bit quantization or Intel® Extension For PyTorch with bfloat16.

Create LLM powered bots and port them into Discord & Slack

Implementation of paper - Reverse Chain: A Generic-Rule for LLMs to Master Multi-API Planning (https://arxiv.org/abs/2310.04474v2)

基于 2025.4 最新的 LangChain 版本进行编写，包含官方文档的解读、底层原理解析、面向应用的交互化代码以及个人心得体会

RAG技术实现。 langchain, llama_index

An app that uses Hugging Face AI models together with OpenAI & LangChain, to generate text from an image, which then generates audio from the text

Slack bot built on LangChain and ChatGPT.

LangChain Baby AGI integrated as a Web App using Databutton

SUPERVAIZER is a toolkit built for the age of AI interoperability. At its core, it implements Google's Agent-to-Agent (A2A) protocol, enabling seamless discovery and interaction between agents across different systems and platforms.

💂🏼 Build your Documentation AI with Nemo Guardrails

DevTools for multi-agent AI — trace, visualize and debug agent workflows in real time

LangGraph agent tutorial adapted to use MCP servers.

IONOS AI Chatbot is a starter pack built around a core ReAct agent with a FastAPI backend and Streamlit frontend for building intelligent conversational AI. It connects to IONOS Hub for inference models and IONOS Studio for fine-tuned models, supports real-time web search, model routing, and tool calling. It’s your European go-to solution for Infra

Budget-Aware Agentic Routing (BAAR) — Intelligent LLM model selection with a zero-call financial kill-switch. Save 90% on costs without losing accuracy.

This project implements a RAG pipeline using the LangGraph framework, designed for efficiently analyzing financial documents, specifically 10-K filings.

LLM guardrails & prompt injection detection for Python. Auto-instruments LangChain, CrewAI, OpenAI, LiteLLM + 8 more frameworks. PII masking, toxicity detection, policy CI/CD. One line, zero code changes.

An agent that helps you predict the next day's stock prices using LLMs

System-level security for LLM agents: fine-grained policy enforcement on tool calls to defend against indirect prompt injection

LangGraph pipeline that ingests raw markdown, compiles an Obsidian-style vault (wikilinks, backlinks, Index.md), optionally runs LLM authoring and semantic “See also” links, refreshes a local QMD index when enabled, and lints the vault.

一个基于 Spring Boot、React 和 FastAPI 的 AI 智慧医药系统，包含医药商城、管理后台、智能问诊、药品推荐、图片识别和运营分析等功能。

The complete open-source LLM curriculum — prompt engineering, RAG, fine-tuning, agents, and production deployment. Beginner to advanced. Python. Free forever.

Hybrid RAG over Indonesian legal documents (UU, PP, Perpres, court decisions) with local LLM via Ollama.

2026 年编程导航 AI 编程实战新项目，基于 Taro + React + FastAPI + DeepSeek 的 AI 闯关学习小程序，支持一句话 / 文本主题 AI 出题、闯关答题与即时讲解、联网搜索增强、RAG 私有知识库出题、AI 生图配图、微信登录与通关复盘报告。覆盖 LangChain / LangGraph、Chroma 向量库、MySQL、JWT、腾讯云 COS、Tavily 联网搜索、阿里云百炼、微信小程序与云托管。用一套教程掌握 AI 编程全流程，从需求调研到部署上线，不到一周学完，给你的简历增加竞争力

A developer-focused chatbot agent that answers technical questions.

WarpFusion Discord Tech Support Bot

Practical Jupyter notebooks from Andrew Ng and Harrison Chase's "LangChain for LLM Application Development" course on DeepLearning.AI.

Open-source framework for building and testing LLM-powered applications: IRIS (single-agent orchestration), AETHER (declarative multi-agent systems), and AEGIS (adversarial security testing). Developed at MSU Denver's Community-Centered Computing (C3) Lab.

Community retrieval augmented generation AI

Provides personalized diet and workout recommendations based on user input. The recommendations are generated using a language model (LLM) for a more interactive experience.

LLM application: fine tuned model to generate social media posts from technical blogposts. I used the documentation in https://numpy.org/numpy-tutorials/index.html to build a synthetic dataset and used that dataset to fine-tune an open source model.

Generate/view WNBA stats, analytics, player comparison, chatbot, and AI insights

Langchain最实用的基础案例，可复制粘贴直接使用。The simplest and most practical code demonstration, you can directly copy and paste to run.

SwiftDocAutomator is an AI-powered tool that streamlines the generation of clear and concise documentation comments for Swift code, following Apple and Swift best practices.

using mulimodal RAG to query texts, images and tables from pdf for QA

Open Source bro of my conversational agent. https://github.com/mfmezger/conversational-agent-langchain

Using large language models to maintain AI_CHANGELOG.md

Debug RAG pipelines with just 2 lines of code

PTIT's Major Project: Website Programming - This repo contains a chatbot for a clothing store. The chatbot acts as an employee with specific knowledge about clothing consultation, website support, and store information.

Create informative READMEs effortlessly using AI-driven templates with the README Creator powered by Language Model (LLM). Simplify documentation and enhance project communication.

A domain-adaptable AI chatbot powered by RAG, FAISS, and LangChain to answer questions from your custom PDFs using HuggingFace LLMs.

A RAG Proof of Concept that delivers comprehensive, context-aware insights on healthcare data privacy through a novel knowledge tree.

Production-ready AI agent configurations and orchestration patterns

A collection of custom n8n nodes for enhanced document processing, text splitting, and embeddings generation

Go Based Lightweight RAG / LLM Tool with CLI + API

The LLM Agent Critique Platform.

AI Video Analyzer & Chat Agent is a robust AI application built with Streamlit, Agno, & Langchain's DuckDuckGo Tool. Integrating Gemini 1.5 Flash, it enables video analysis, insight extraction, and AI-powered chat with features like content analysis, real-time web searches, and multi-modal analysis for research, education, and interactive learning.

Semantic search with openai's embeddings stored to pineconedb (vector database)

It reads PDF files and let you ask what those files are about.

This project builds a custom question answering chatbot using Langchain and Google Gemini Language Model (LLM). It fine-tunes industrial data for accurate responses and integrates Streamlit for user interaction, aiming to enhance user experience.

This repository contains the code snippets used in "LLM Prompt Engineering For Developers"

This project aims to compare different Retrieval-Augmented Generation (RAG) frameworks in terms of speed and performance.

The "Cloudflare for AI Agents". 7-layer security interceptor, real-time observability dashboard, and automated reliability testing for MCP and AI tool chains. Prevent hallucinations, prompt injection, and destructive tool calls.

Boilerplate for multi-LLM agent applications using Langchain v3 with multi-model reasoning capabilities.

Volute Reasoning Engine (VRE): Structural Epistemic Enforcement for Agentic AI

LinkedIn Job Search & Application Agent

A 100-day journey building AI-powered agents using Python, TypeScript, and LLMs to automate real-world tasks