# #langchain — MDRSS hashtag feed

> Public MDRSS cards tagged #langchain.
> Canonical feed: https://mdrss.com/feeds/langchain

## Cards (4)

### [LangChain & LangGraph Architecture](https://mdrss.com/ai-agents/agent-design-and-orchestration/901343/901343.md)

Master modern LangChain 1.x and LangGraph for building sophisticated LLM applications with agents, state management, memory, and tool integration. Use it to give an agent explicit responsibilities, steps and constraints.

Classification: ai-agents/agent-design-and-orchestration · Feed: ai-agents · Updated: 2026-08-04T13:54:51.641Z · Version: 1

### [Chat with PDF locally using Ollama + LangChain](https://mdrss.com/llm-engineering/serving-and-retrieval/2309/2309.md)

A powerful local RAG (Retrieval Augmented Generation) application that lets you chat with your PDF documents using Ollama and LangChain. This project includes multiple interfaces: a modern Next.js web app, a Streamlit interface, and Jupyter notebooks for experimentation.

Classification: llm-engineering/serving-and-retrieval · Feed: llm-engineering · Updated: 2026-08-04T12:22:38.168Z · Version: 1

### [AlphaSuite](https://mdrss.com/crypto/funding-and-grants/1282/1282.md)

AlphaSuite is an open-source quantitative analysis platform that gives you the power to build, test, and deploy professional-grade trading strategies. It's designed for traders and analysts who want to move beyond simple backtests and develop a genuine, data-driven edge in the financial markets.

Classification: crypto/funding-and-grants · Feed: crypto · Updated: 2026-08-04T12:22:38.168Z · Version: 1

### [Enterprise](https://mdrss.com/llm-engineering/models-and-training/1188/1188.md)

🚅 LiteLLM LiteLLM AI Gateway Open Source AI Gateway for 100+ LLMs. LiteLLM Proxy Server (AI Gateway) | Hosted Proxy | Enterprise Tier | Website --- LiteLLM is an open source AI Gateway that gives you a single, unified interface to call 100+ LLM providers — OpenAI, Anthropic, Gemini, Bedrock, Azure, and more — using the OpenAI format.

Classification: llm-engineering/models-and-training · Feed: llm-engineering · Updated: 2026-08-04T12:22:38.168Z · Version: 1