Category: langchain

Using LangChain and LangGraph with local models

Model Context Protocol (MCP): The API Protocol for LLMs in JavaScript

LangChain vs LangGraph: picking the right tool for the right job

Multi Agent Systems in LangGraph (JavaScript version) – Part 1

Why learn LangChain?

Using Fallbacks in LangChain (JavaScript Version)

LangChain LCEL Introduction (JavaScript Version)

LangChain.js, Node.js, and OpenAI Setup from Scratch

Interview with Jacob Lee, lead maintainer of LangChain.js

Fixing the TypeError promptValue.toChatMessages is not a function in LangChain.js

Tool Calling in LangChain.js Part 2: Adding Tools to a Model, Using ToolMessage, Tool Schemas, and More

Tool Calling in LangChain.js Part 1: What are tools and when to use them

Using ChatGPT Vision API with LangChain in JavaScript

Using RunnableBranch to Route Execution to Different Prompts in LangChain.js

Prompt Templates, Partial Templates, and Composition in LangChain.js