reflex-langgraph-challenge

agentic ai fullstack web app with reflex v0.8.27 + langgraph v1.0.9 + openai v2.23 + google-genai v1.64

how to run

setup

• install python

$ python --version
Python 3.12.8

• install uv

$ curl -LsSf https://astral.sh/uv/install.sh | sh
$ uv --version
uv 0.8.21 (f64da2745 2025-09-23)

configure

• install packages

$ uv init
$ uv add python-dotenv requests streamlit reflex
$ uv add openai litellm google-adk google-genai
$ uv add langchain langgraph langsmith
$ uv add --group dev ipykernel

• add api keys environments

$ cat .env
OPENAI_API_KEY="..."
OPENAI_VECTOR_STORE_ID="..."
GEMINI_API_KEY="..."

run app

• startup streamlit app

$ uv sync
$ uv run streamlit run main.py
$ curl localhost:8501

• startup adk app

$ uv sync
$ uv run adk web
$ curl localhost:8000