LangChain Lab
Chains, memory, and agents with LangChain + GPT-4o mini
🔎 Website Summarizer
A LangChain prompt | model | parser chain summarizes any page.
🛍️ Shop Agent
A tool-using agent with get_price, check_stock, and
apply_discount tools.
🧠 Memory Chat
A chatbot that remembers the conversation — the history is re-sent every turn.