from mcp.server.fastmcp import FastMCP
from crypto_news_scraper import scrape_crypto_news
import pandas as pd
from dotenv import load_dotenv
load_dotenv(override=True)

mcp = FastMCP("cryptopanic_news_server")

@mcp.tool()
async def get_crypto_news(urls: list = None, num_entries: int = 10) -> str:
    """Scrape and aggregate the latest cryptocurrency news articles from multiple RSS feeds.

    Args:
        urls: Optional list of RSS feed URLs to scrape.
            - Accepts a list of strings, each being a valid RSS feed URL.
            - Example: ["https://cointelegraph.com/rss", "https://cryptopotato.com/feed/"].
            - If set to None, defaults to:
              [
                  "https://cointelegraph.com/rss",
                  "https://cryptopotato.com/feed/",
                  "https://cryptonews.com/news/feed/"
              ].
        num_entries: The maximum number of news entries to retrieve per feed.
            - Defaults to 10.
            - Example: setting num_entries=5 retrieves the 5 most recent articles per source.
    """
    return scrape_crypto_news(urls=None, num_entries=10).to_string()

if __name__ == "__main__":
    mcp.run(transport='stdio')