This project is a simple introduction to using Langchain with ArcGIS.

Created by Andrew Turner @ Esri for DevSummit 2024

Slides

Getting Started

Environment variables

1. Copy env.example to .env.dev
2. Add your relevant keys & URLs to the configuration

Python

1. Change to cd langchain-py
2. Install requirements in console pip install -U -r requirements.txt
3. Open example_start.ipynb
4. Run the cells

Javascript

1. Change to cd langchain-js
2. Install requirements in console npm i
3. Run the example node example_start.js

Using Tools

You can make your agents more intelligent by adding structured tools. A Tool is simply a Python function that is included in the LLM prompt. The output may include calling the function, which Langchain will do and then include the response back to the LLM for final reasoning.

2. Open example_tools.ipynb
3. Run the cells