from fastmcp import FastMCP
from huggingface_hub import ModelCard
from dotenv import load_dotenv
load_dotenv()
import os,json
HF_TOKEN=os.getenv("HF_TOKEN")
mcp=FastMCP("model_card-chatbot")


@mcp.tool()
def read_model_card(repo_id:str)->str:
    """Tool to read and return the full model card from hugging face."""
    try:
        card=ModelCard.load(repo_id)
        return json.dumps({"status":"success","readme": card.text})
    
    except FileNotFoundError:
        return json.dumps({"status":"error","message":"This model does not have a model card"})
    except Exception as e:
        return json.dumps({"status":"error","message":str(e)})