mcp-tool-builder

Instructions

Implementation Reference

• tools/get_bitcoin_price.py:2-10 (handler)

  The handler function that executes the tool logic: fetches the current Bitcoin price in USD from CoinGecko API using urllib and json, formats it, and returns the result or an error message if fetch fails.

  def get_bitcoin_price():
      from urllib import request, error
      import json
      try:
          with request.urlopen('https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd') as response:
              data = json.loads(response.read())
              return f"Current Bitcoin price: ${data['bitcoin']['usd']:,.2f}"
      except:
          return "Error: Unable to fetch Bitcoin price"