Binance MCP Server

Instructions

Implementation Reference

• binance.py:26-44 (handler)

  The main handler function for the 'get_symbol_price' tool. It is decorated with @mcp.tool() for registration and @lru_cache for caching. Fetches the current price from Binance public API endpoint.

  @mcp.tool()
  @lru_cache(maxsize=100)
  def get_symbol_price(symbol: str) -> Any:
      """
      Get the current price of a cryptocurrency pair.
  
      Args:
          symbol: The cryptocurrency pair, e.g., BTCUSDT.
  
      Returns:
          Price information from Binance.
      """
      url = "https://api.binance.com/api/v3/ticker/price"
      params = {"symbol": symbol}
      response = requests.get(url, params=params)
      if response.status_code == 200:
          data = response.json()
          return {"price": data['price'], "symbol": symbol}
      return {"error": response.text}