LangChain Quickstart

LangChain Quickstart
In this quickstart we'll show you how to:
- Get setup with LangChain, LangSmith and LangServe
- Use the most basic and common components of LangChain: prompt templates, models, and output parsers
- Use LangChain Expression Language, the protocol that LangChain is built on and which facilitates component chaining
- Build a simple application with LangChain
- Trace your application with LangSmith
- Serve your application with LangServe