langchain-ai/langsmith-starter-kit

Python

5 environment variables found in .env.example

Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.

LANGSMITH_TRACING
LANGSMITH_ENDPOINT
LANGSMITH_API_KEY secret
LANGSMITH_WORKSPACE_ID
OPENAI_API_KEY secret Project names are set automatically per use case: email-agent → starter-kit-email-agent chatbot → starter-kit-chatbot

Best match Fly.io Anything Dockerized — requires the Fly CLI.

macOS

brew install flyctl && fly launch --from https://github.com/langchain-ai/langsmith-starter-kit

Linux

curl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/langchain-ai/langsmith-starter-kit

Windows (PowerShell)

iwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/langchain-ai/langsmith-starter-kit

Or deploy to a different host