gradio>=4.0.0 anthropic>=0.40.0 python-dotenv>=1.0.0 mcp>=1.4.0 llama-index>=0.10.0 llama-index-embeddings-huggingface>=0.1.0 llama-index-vector-stores-chroma>=0.1.0 chromadb>=0.4.22 sentence-transformers>=2.2.2