#langchain Development Tutorials & Tips | Roast Dev

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Building an E-Commerce Support Chatbot: Part 4 - Creating the LangChain Pipeline

🔗 Part 4: Creating the LangChain Pipeline In this part, we’ll build the LangChain-powered backend pipeline that connects your chatbot to MongoDB and Pinecone, handles data chunking, gene...

28.03.2025 0 Read More

Building an E-Commerce Support Chatbot Part 6: Building the React Frontend

Now that our backend and chatbot logic are ready, it's time to create a user-friendly chat interface using React. This part focuses on building a simple yet elegant frontend that interacts with the ba...

29.03.2025 0 Read More

I Built Pocket Flow, an LLM Framework in just 100 Lines — Here is Why

Have you ever stared at a complex AI framework and wondered, "Does it really need to be this complicated?" After a year of struggling with bloated frameworks, I decided to strip away anything unneces...

29.03.2025 0 Read More

Part-7: Connecting Frontend and Backend

🔌 Part 7: Connecting Frontend and Backend With both frontend and backend components ready, it's time to connect them and ensure the chat interface communicates seamlessly with the backend ...

31.03.2025 0 Read More

How to use LangGraph within a FastAPI Backend 🚀

In this tutorial, I’ll walk you through how to build a backend to generate AI-crafted emails using LangGraph for structured workflows and FastAPI for API endpoints. 📌 Prerequisites ...

01.04.2025 0 Read More

Automating SQL Queries with LangChain and Gemini : A Step-by-Step Guide

GitHub RepositoryLearn how to automate SQL query generation and execution using LangChain, Google Gemini AI, and MySQL. This guide walks you through setting up a seamless pipeline from transforming na...

02.04.2025 0 Read More

[Feedback wanted] Connect user data to AI with PersonalAgentKit for LangGraph

I have been working for the past few months on a SDK to provide LangGraph tools to easily allow users to connect their personal data to applications.For now, it supports Telegram and Google (Gmail, Ca...

03.04.2025 0 Read More

Building a Weather-Savvy AI Agent Using LangGraph, LangChain, and OpenAI

Have you ever wanted to build an AI assistant that can actually respond to questions about the weather using real-time data? In this blog post, I’ll show you how to build a smart agent that integrat...

03.04.2025 0 Read More

Announcing: Native Support for LangChain

LangChain has quickly become the go-to framework for building powerful, multi-step AI agents. Whether you’re constructing decision trees, implementing dynamic workflows, or just wiring up an LLM to ...

03.04.2025 0 Read More

What is Langchain?

LangChain is an open source orchestration framework for the development of applications using large language models (LLMs). Available in both Python- and Javascript-based libraries, LangChain’s tool...

04.04.2025 0 Read More

Building an E-Commerce Support Chatbot: Part 4 - Creating the LangChain Pipeline

Building an E-Commerce Support Chatbot Part 6: Building the React Frontend

I Built Pocket Flow, an LLM Framework in just 100 Lines — Here is Why

Part-7: Connecting Frontend and Backend

How to use LangGraph within a FastAPI Backend 🚀

Automating SQL Queries with LangChain and Gemini : A Step-by-Step Guide

[Feedback wanted] Connect user data to AI with PersonalAgentKit for LangGraph

Building a Weather-Savvy AI Agent Using LangGraph, LangChain, and OpenAI

Announcing: Native Support for LangChain

What is Langchain?

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