MCP Dice Roller

Instructions

Implementation Reference

• src/mcp_dice_roller/server.py:127-154 (handler)

  The implementation of the `roll_dnd_stats` tool in the MCP server.

  def roll_dnd_stats() -> dict:
      """
      Roll a set of D&D 5e character stats using the standard 4d6 drop lowest method.
  
      Returns:
          Six ability scores rolled using 4d6, dropping the lowest die
      """
      stats = []
  
      for _ in range(6):
          result = roll_dice("4d6kh3")
          stats.append(
              {
                  "rolls": result["rolls"],
                  "kept": result["kept"],
                  "total": result["total"],
              }
          )
  
      totals = [s["total"] for s in stats]
  
      return {
          "method": "4d6 drop lowest",
          "stats": stats,
          "totals": totals,
          "sum": sum(totals),
          "modifier_total": sum((t - 10) // 2 for t in totals),
      }