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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.

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