tools/hub_stats.py

from langchain_core.tools import tool
from huggingface_hub import list_models
import logging

logger = logging.getLogger(__name__)

@tool
async def hub_stats_tool(author: str) -> str:
    """Fetch the most downloaded model from a specific author on Hugging Face Hub."""
    try:
        models = list(list_models(author=author, sort="downloads", direction=-1, limit=1))
        if models:
            model = models[0]
            return f"The most downloaded model by {author} is {model.id} with {model.downloads:,} downloads."
        return f"No models found for author {author}."
    except Exception as e:
        logger.error(f"Error fetching models for {author}: {e}")
        return f"Error: {str(e)}"