This directory contains a simple LangGraph Graph, built for the introduction video in the LangGraph.js video series. This directory contains a single graph, located inside the index.ts file.

To setup the intro project, install the dependencies:

yarn install

The intro project requires Tavily and OpenAI API keys to run. Sign up here:

• OpenAI: https://platform.openai.com/signup
• Tavily: https://tavily.com/

Once you have your API keys, create a .env file in this directory and add the following:

TAVILY_API_KEY=YOUR_API_KEY
OPENAI_API_KEY=YOUR_API_KEY

The LangGraph configuration file for the intro project is located inside langgraph.json. This file defines the single graph implemented in the project: simple_agent.