Langchain agents

ATLAST Protocol — The Trust Layer for the Agent Economy. Make AI agent work verifiable with Evidence Chain Protocol (ECP). Open source · MIT License · weba0.com

基于 AI Agent 服务自动化修复系统：Agent 自动读取错误日志，定位 Bug，生成补丁，运行测试，提交 PR，并通知开发者 Review。AI-powered auto-fix agent for web services: analyzes logs, patches code, runs tests, and creates pull requests automatically.

Eltes is an advanced AI agent harness designed for complex, agentic tasks. Features planning, filesystem sandboxing via Daytona, long-term memory, and multi-agent orchestration. Built with Vercel AI SDK, Qstash Workflow and Upstash.

Trust and quality infrastructure for AI agents. 225+ quality-scored capabilities, SQS scoring, EU AI Act support.

Minimal autonomous coding agent. Simple tool-use loop over LLM API — no frameworks, no magic. Bash runs in Docker sandbox. Supports Anthropic, OpenAI, and any OpenAI-compatible provider.

A Local RAG Chatbot powered by DeepSeek V3 & RapidOCR. Chat with scanned PDFs, images, and documents privately. Built with Streamlit & LangChain.

An intelligent financial advisory system showcasing 5 key Gen AI capabilities: Structured Output/JSON Mode, RAG (Retrieval Augmented Generation), Embeddings, Function Calling, and LangGraph Agents. Analyzes spending patterns, provides personalized recommendations, and answers finance questions with evidence-based advice.

Model Context Protocol (MCP) Bootcamp offers a deep dive into MCP architecture and its role in the Agentic AI ecosystem. Learn to build real-world, production-ready AI workflows using MCP with LangChain, LangGraph, and CrewAI through fully practical, project-based implementations.

Agility infrastructure for regulated AI. Trace, Policy, Evidence under EU jurisdiction. Apache 2.0, on-premise capable.

An AI-Powered Multi-Agent Orchestration for CFOs - transforming raw financial data into actionable insights through conversational analysis and dynamic charting.

The missing transactional layer for AI agents side effects. At-most-once execution, human-in-the-loop approvals, queryable audit trail.

Open-source Python framework to deploy AI agents via HTTP, A2A, and MCP with built-in observability

AI Agent and Agentic Ai Development Notebooks

An advanced, multi-backend AI Agent Chat application built with React, FastAPI, and LangChain. Features a rich toolset including web search, code execution, and long-term memory.

⛨ redactum — automated PII & secret redaction for AI, APIs, and developer tools. Protects prompts, logs, and payloads before they leave your system. Lightweight and TypeScript-first.

AI-powered QA Architect agent — generates ISTQB/OWASP/IEEE/ISO-grounded Test Strategies, Risk Registers, Effort Estimates & Test Plans via RAG. Cloud-hosted (Mistral API + Pinecone).

面向大学生求职场景的 AI 简历与面试辅导 Agent。该项目主要解决学生在简历撰写、岗位匹配和面试准备中效率低、反馈不及时、项目表达不够专业的问题。

A modern open-source starter template for building AI-powered Todo agents with Next.js, LangGraph, LangChain, MongoDB, and TypeScript. Learn clean architecture, tool calling, memory, streaming, and production-ready AI patterns.

Open-source adversarial simulation and evaluation harness for conversational AI agents.

See what your AI agents do, whether it's worth it, and what it costs - a manager-readable report + local dashboard from Langfuse/LangSmith traces (or a one-line live callback). Open source, runs locally.

An AI-powered telemetry analysis tool for Assetto Corsa that helps drivers improve their lap times through real-time data visualization and intelligent coaching suggestions.

Multi-agent AI system that analyzes requirements, creates project plans, generates code, and builds software project structures automatically.

Circuit breaker for LLM agents — stop infinite loops, runaway costs, and privilege escalations in 3 lines of code.

Nexus SQL is an autonomous AI Data Analyst that lets you query databases in plain English. Built with LangChain and DeepSeek-V3, it automates complex SQL generation, provides instant data visualizations, and ensures enterprise security, reducing time-to-insight by 80%.

Your agent never forgets. It just pages.

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.

Agentic AI interview platform using LangGraph, FastAPI, Streamlit, and Supabase for adaptive candidate screening and reporting.

Langchain document loader for Kreuzberg

Production-ready boilerplate for building and automatically optimizing LangChain RAG applications. Implements three-layer architecture: Build (LangChain) → Measure (MLflow) → Optimize (GEPA + MEGA).

An Open Source alternative of Google's NotebookLM

SYNAPSE: AI-Powered Intelligence Aggregation & Automation Platform

Autonomous AI agent that acts as your digital representative, privacy-first, risk-aware, human-in-the-loop

Reliable RAG with built-in RAGAS evaluation. A tutorial-style LangGraph pipeline: Grade/Verify/Trace gates, hybrid retrieval (dense+BM25), per-gate cost tracking, and LangSmith tracing.

Give your Python objects the ability to think and act — no glue code, no prompt engineering.

The LLM dialogue system supports dynamic configuration of various models and tools, and enables document vectorization, retrieval-augmented generation, and streaming dialogue output.

AI-powered CLI research agent that searches the web, collects sources, and generates concise summaries with references using LangGraph, Tavily, and an OpenAI-compatible LLM.

Personal RAG knowledge base assistant with FastAPI, Streamlit, LangChain, Chroma, Tavily, citations, evals, and request-id debugging.

RAG-based Healthcare Clinic Assistant using LangGraph, LangChain, Groq (Llama-3.3) & Pinecone — with hybrid retrieval, safety guardrails, and multi-turn memory.

MPP is a multi-platform content publishing system for creators and operations teams. It helps manage content projects, platform-specific adaptation, publishing status tracking, and AI-assisted processing from a unified workspace.

OpenAI-based Weather Chatbot.

AI system discovery and risk mapping for agentic architectures. Generates CycloneDX AIBOMs with topology and risk classification.

Comprehensive LangGraph course in TypeScript. Build stateful AI agents, chatbots, ReAct agents, and RAG systems with 12 lessons and working examples.

An AI-powered Sales Intelligence platform that analyzes leads, generates insights, scores opportunities, and creates personalized cold emails using LLMs.

CHEMON - 化工过程多智能体整体编排系统 | A multi-agent collaborative system for chemical process control

AI Business Analyzer is an autonomous AI agent that turns a business idea into a structured strategic report, covering market research, competitor analysis, and growth strategy, powered by Gemini, live web search, and persistent memory.

Multi-agent LangGraph app turning raw requirements into backlog-ready user stories, ACs, and test cases. Live Gemini-Flash CI eval gate + nightly N=10 adversarial regression.

Shopping AI assistant with recipe tools, product search, and semantic caching for grocery e-commerce.

Runnable illustrations of Assistant (on-behalf-of) vs Claw (fixed-identity) agent authorization

🚀 Transpile Ion to C efficiently, leveraging move-only ownership and channels for safe concurrency in a modern systems programming environment.

AI-powered Liu Yao (六爻) divination agent with classical text RAG, long-term memory, and interactive hexagram editor. 基于 LangChain + DeepSeek 的六爻解卦智能体。

Successfully developed a state-of-the-art AI-driven credit underwriting engine using LangGraph and FastMCP that orchestrates multiple specialized agents to evaluate risk, detect fraud, and generate explainable credit decisions, delivering transparent, auditable, and tailored financial solutions with unmatched efficiency.

KARA is a Python toolkit for efficient document updates in RAG systems.

Plan a complete India trip from one search — live flights, trains, hotels, and an AI-built itinerary, with a trip-aware assistant. Flask + vanilla JS + MongoDB, async cross-provider orchestration, Google Gemini.

Multi-agent AI system that analyzes financial reports, identifies risks, and generates executive summaries using LangGraph, RAG and LLMs.

Open Symbolic AI Core Repository

Native C++17 AI agent runtime — local-first, embeddable, MCP-native. Tool-calling, memory, and an async agent loop that runs where Python can't: ROS2, game threads, drones, HFT.

An open-source framework for building stateful, multi-agent AI applications. It helps developers create reliable AI workflows with memory, human-in-the-loop capabilities, tool calling, and long-running agent orchestration.

AI chat agent that connects Shopify, Meta Ads, Google Ads/Analytics/Search Console and SEMrush so marketers can ask questions in plain language.

AI-powered interview preparation platform built with LangGraph, RAG, FastAPI, and MCP. Simulates adaptive technical interviews, evaluates answers, and generates personalized study insights.

The open interoperability layer for AI agents. Connect your favorite agents and harnesses. Work together.

AI Agent Chat Starter kit (powered by the Apache ECharts, tables, Mermaid flow diagrams, code blocks). Built using Laravel, Vue, N8N. Compatibale with any agentic framework: LangChain, PydanticAI, NeuronPHP, etc

The web stage for your LangGraph agent — self-hosted chat UI, file browser, canvas, and task board (MIT)

LLM + RAG system for querying HPC platform documentation and codebase — document crawling, chunking, embeddings, vector search, and LangChain-based retrieval-augmented generation.

Define LangGraph agent workflows in JSON. DLG handles validation, compilation, resilience, and execution — no hardcoded graph topologies required.

ИИ-ассистент для 1С:Предприятия. Расширение конфигурации (CFE) с чат-интерфейсом, on-premise Go-шлюзом, поддержкой LLM (OpenAI, Ollama) и MCP.

Agentic RAG assistant untuk tanya-jawab dokumen PDF pipeline retrieve-grade-generate berbasis LangGraph

RAG answers you can verify — citations, faithfulness checks, exportable evidence reports

CLI agent that fills out online job application forms - cover letters, screening answers, Greenhouse/Lever/Workday - using AI-driven browser automation.

Natural-language-to-SQL agent built with LangGraph and FastAPI. Ask questions in plain English, get answers from your database. Powers QueryDB (querydb.in) — self-host or use free at querydb.in

Production-ready n8n workflow template: a natural-language data analyst chatbot over Supabase/Postgres. Built with LangChain Tools Agent + Claude Sonnet 4.6 + QuickChart.

LangGraph and LangChain retriever, tools, and navigator subgraph for OKF (Open Knowledge Format) bundles.

Production-grade prompt engineering curriculum — 7 modules covering foundations, reasoning, RAG, security, and evaluation. Model-agnostic (OpenAI/Anthropic/Ollama), runnable notebooks, mini-projects, Mermaid diagrams. Not prompt tips — prompt engineering as a discipline.

Independent LangGraph C++ runtime for stateful AI agents and recoverable graph workflows: checkpointing, streaming, interrupts, tool calling, edge/local LLM apps. C++23 developer preview; not official LangGraph/LangChain.

MedTrack is a full-stack medical equipment management system built with React and Spring Boot. It streamlines inventory, maintenance, and equipment orders through secure role-based access.

Autonomous multi-agent AI system for intelligent GitHub PR review and bug detection. Built with LangGraph, RAG + tree-sitter, and GitHub MCP for deep codebase understanding. Automatically raises issues, drafts fixes, and opens PRs as smart-pr-review-bot[bot]. Supports Review Only, Human-in-the-Loop, and Auto-Pilot modes with full LangSmith tracing.

AI-powered ConstructionRetrieval-Augmented Generation system built with FastAPI, Streamlit, Groq LLMs.

OpenGPT, An open AI workspace for conversations, knowledge, and productivity.

🎓 KIRA: An AI-Powered Multimodal Learning Assistant – Interact via text, voice, or PDFs. Uses Retrieval-Augmented Generation and web search for smart, personalized tutoring.

Visual workflow builder and execution environment for designing, testing, and deploying custom AI agent pipelines.

面向中小企业的开源私有化知识库：单实例部署、数据本地可控、LLM 中立。LangChain4j RAG、PgVector 混合检索、Docker 一键部署。

Python package that makes it easy to spin up a custom Retrieval-Augmented Generation (RAG) pipeline.

Self-hostable RAG chatbot for networks with no internet access, such as Japan's LGWAN. LDAP authentication, chat history, and admin tools over in-house documents.

Self-healing RAG system that retrieves, verifies, and grades its own answers. Automatically rewrites queries and retries when outputs are weak, ensuring accurate, hallucination-free responses.

AI-powered startup intelligence agent — hand-built ReAct loop, parallel tool execution, live web search, and RAG-grounded document analysis. No frameworks. Full understanding.

面向扫地机器人售前、售后与使用报告的多工具智能客服 Agent：基于 LangChain/LangGraph、通义千问、Chroma RAG、SQLite 与 Streamlit，集成知识库安全入库、浏览器定位、实时天气、会话用户及设备使用记录查询，并提供可审阅工具追踪、动态 Prompt 与 Recall@K/MRR 检索评测。

Production-ready full-stack template for building AI agents with LangGraph, LangChain & DeepAgents — FastAPI + Aegra backend with JWT auth and a Next.js 16 frontend.

基于深度学习和RAG的旋转机械故障诊断系统，支持轴承、齿轮、主轴等机械结构的故障诊断

An autonomous multi-agent e-commerce & POD consultant built with Langchain, LangGraph, LlamaIndex, and FastAPI integrated with the Saleor system.

AI-powered Medical Assistant using RAG, FAISS, and LLMs to process medical documents, retrieve relevant information, generate grounded answers, and provide source citations.

The project fulfills all requirements by demonstrating a four-node agent workflow and using purely open-source components for RAG and deployment, ideal for learning and testing advanced agent architectures.

Production-grade multi-agent AI platform with LangGraph v0.3, MCP servers, hybrid RAG (Qdrant + LlamaIndex), FastAPI WebSocket streaming, and Next.js real-time UI. Deployed on AWS EKS via Terraform.

AI-powered Telegram assistant built with Python, Google Gemini, LangChain & LangGraph, featuring agentic tool calling, conversation memory, and modular AI architecture.

RAG systems, LLM agents, and production pipelines for legal and financial document intelligence.

Chunking that understands who is speaking. Parse any transcript, chunk it without ever splitting a speaker turn. Zero dependencies.

Deterministic observation-integrity contracts for AI-agent tool results. HTTP 200 is not an observation.

可执行任务的微信/桌面 AI 智能体：LangGraph · MCP · RAG · Tauri

Setup your RAG agent using FastAPI with this ONE package!

AI learning platform with LangGraph workflows, document RAG, real-time web search, interactive quizzes, and multi-provider LLM orchestration.