diff --git a/bot.py b/bot.py
new file mode 100644
index 0000000..979852b
--- /dev/null
+++ b/bot.py
@@ -0,0 +1,38 @@
+import discord
+from discord.ext import commands
+from discord.ext.commands.context import Context
+
+from dice import Dice, DiceTextError
+
+prefix = "$"
+
+intents = discord.Intents.default()
+intents.message_content = True
+
+bot = commands.Bot(command_prefix=prefix, intents=intents)
+
+
+@bot.event
+async def on_ready():
+    print("Hello World!")
+
+
+@bot.command()
+async def roll(ctx: Context, *args: str):
+    dice = []
+    for arg in args:
+        dice.append(Dice(arg))
+
+    try:
+        results = ["(" + ",".join(d.roll()) + "," for d in dice]
+    except DiceTextError as e:
+        print(e)
+        await ctx.send(str(e))
+        return
+
+    msg = ",".join(results)
+    print(msg)
+    await ctx.send(msg)
+
+
+bot.add_command(roll)
diff --git a/dice.py b/dice.py
new file mode 100644
index 0000000..cd49f99
--- /dev/null
+++ b/dice.py
@@ -0,0 +1,36 @@
+import re
+from typing import Iterable
+from random import randint
+
+
+class Dice:
+    text: str
+    count: int
+    sides: int
+
+    def __init__(self, text: str):
+        self.text = text
+        parsed_text = self.parse_text(text)
+        if parsed_text is None:
+            raise DiceTextError(f"Could not parse {text}")
+
+        (self.count, self.sides) = parsed_text
+
+    def roll(self) -> Iterable[int]:
+        result = [randint(1, self.sides) for _ in range(self.count)]
+        print(f"rolling {self.text} => {result}")
+        return result
+
+    @staticmethod
+    def parse_text(text: str) -> tuple[int, int] | None:
+        match = re.match(r"^(\d*)d(\d+)$", text)
+        if match is None:
+            return None
+
+        count = match.group(1)
+        sides = match.group(2)
+
+        return (int(count), int(sides))
+
+
+class DiceTextError(RuntimeError): ...
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..844f49a
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+discord.py
diff --git a/todo b/todo
new file mode 100644
index 0000000..bbd3bec
--- /dev/null
+++ b/todo
@@ -0,0 +1,4 @@
+- [ ] rolling privately
+- [ ] rolling toward GM
+- [ ] logging and debuging
+- [ ] session managment