Demo Deploying Langgraph Agent using Langgraph Serve (or LangGraph Cloud API) locally

Author: Andrew Mendez, 2025

Setup environment Steps:

  • requires python>=3.10
  • python -m venv my-venv
  • source my-venv/bin/activate
  • pip install -r requirements.txt
  • unzip tickets_joined.db.zip

Steps to initalize repo

  • pip install -e .
  • langgraph dev
  • url will pop up on your browswer: https://smith.langchain.com/studio/thread?baseUrl=http%3A%2F%2F127.0.0.1%3A2024
  • In input, enter question: Can you tell me about my flight's departure time? my ticket_no is \"7240005432906569\".