PDF Chatbot

Build a complete RAG system that enables conversation with any PDF document using Claude API and LangChain.

PythonLangChainChromaDBClaude APIStreamlit

🔨 Build Steps

Install Python, LangChain, ChromaDB and Streamlit

Use PyPDFLoader and RecursiveCharacterTextSplitter

Convert text to vectors using Claude or Cohere

Create a local vector database

Connect retrieval to Claude API for answering

Build simple upload and chat interface

✅ Chat interface that answers questions from PDF documents

💡 Support multiple documents, citations, and multi-user sessions

🔧 Python 3.10+🔧 Claude API Key🔧 ChromaDB🔧 LangChain🔧 Streamlit