Intro to LangSmith

Welcome to Intro to LangSmith!

Introduction

In this course we will walk through the fundamentals of LangSmith - exploring observability, prompt engineering, evaluations, feedback mechanisms, and production monitoring. Take a look at the setup instructions below so you can follow along with any of our notebook examples.

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Setup

Follow these instructions to make sure you have all the resources necessary for this course!

Sign up for LangSmith

• Sign up here
• Navigate to the Settings page, and generate an API key in LangSmith.
• Create a .env file that mimics the provided .env.example. Set LANGCHAIN_API_KEY in the .env file.

Set OpenAI API key

• If you don't have an OpenAI API key, you can sign up here.
• Set OPENAI_API_KEY in the .env file.

Create an environment and install dependencies

$ cd intro-to-langsmith
$ python3 -m venv intro-to-ls
$ source intro-to-ls/bin/activate
$ pip install -r requirements.txt