The Hobbit Scholar - RAG Chatbot CLI

A sophisticated command-line RAG (Retrieval-Augmented Generation) chatbot for answering questions about J.R.R. Tolkien's "The Hobbit". Powered by Ollama, LangChain, and ChromaDB with advanced features including:

• Hybrid retrieval (BM25 + vector search)
• Contextual compression with FlashRank reranking
• Chapter-aware filtering
• Conversation history tracking
• Streaming responses

Prerequisites

1. Python 3.9+ installed
2. Ollama installed and running with:
   • LLM model (e.g., llama3.1, llama3.2)
   • Embedding model (e.g., mxbai-embed-large)

Install Ollama models:

ollama pull llama3.1
ollama pull mxbai-embed-large

Installation

Option 1: Install From Source (Recommended for Development)

pip install hobbit-scholar

First Run

After installation:

hobbit-init
hobbit-scholar

License

MIT License (or specify your license)

Acknowledgments

• Built with LangChain
• Powered by Ollama
• Vector storage by ChromaDB
• Reranking by FlashRank