diff --git a/csp_bot/bot.py b/csp_bot/bot.py
index 8e6ee6c..c641897 100644
--- a/csp_bot/bot.py
+++ b/csp_bot/bot.py
@@ -676,6 +676,13 @@ def _extract_commands(
 
             # Strip bot mention from beginning if present
             bot_name = self._get_bot_name(backend)
+            bot_id = self._get_bot_id(backend)
+
+            # Strip <@BOT_ID> format (Slack/Discord)
+            if bot_id:
+                content = re.sub(rf"<@!?{re.escape(bot_id)}>", "", content).strip()
+
+            # Strip @bot_name format (Symphony/generic)
             if bot_name and content.startswith(f"@{bot_name}"):
                 content = content[len(f"@{bot_name}") :].strip()
 
diff --git a/csp_bot/tests/test_bot_integration.py b/csp_bot/tests/test_bot_integration.py
index af3e60a..e7f4b30 100644
--- a/csp_bot/tests/test_bot_integration.py
+++ b/csp_bot/tests/test_bot_integration.py
@@ -16,7 +16,7 @@
 
 from csp_bot import Bot, BotCommand, BotConfig, BotMessage
 from csp_bot.bot_config import SymphonyConfig
-from csp_bot.commands import ReplyToOtherCommand
+from csp_bot.commands import HelpCommand, ReplyToOtherCommand
 from csp_bot.structs import CommandVariant
 
 # Test Fixtures
@@ -544,6 +544,81 @@ def execute(self, cmd):
         if result:
             assert result.command == "test"
 
+    @pytest.mark.parametrize(
+        "text,backend,bot_id",
+        [
+            ("<@UBOT123> /test", "slack", "UBOT123"),
+            ("<@UBOT123>/test", "slack", "UBOT123"),
+            ("<@UBOT123>!test", "slack", "UBOT123"),
+            ("<@!UBOT123> /test", "discord", "UBOT123"),
+        ],
+    )
+    def test_extract_command_strips_bot_mention(self, bot_with_symphony, text, backend, bot_id):
+        """Test that <@BOT_ID> mentions are stripped before command parsing."""
+        bot_with_symphony._configs[backend] = MagicMock()
+        bot_with_symphony._bot_user_ids[backend] = bot_id
+        bot_with_symphony._bot_names[backend] = "TestBot"
+
+        class TestCmd(ReplyToOtherCommand):
+            def command(self):
+                return "test"
+
+            def name(self):
+                return "Test"
+
+            def help(self):
+                return "Test"
+
+            def execute(self, cmd):
+                return None
+
+        bot_with_symphony._commands["test"] = TestCmd()
+
+        msg = Message(
+            id="msg1",
+            content=text,
+            author=User(id="user1"),
+            channel=Channel(id="ch1"),
+            metadata={"backend": backend},
+        )
+
+        result = bot_with_symphony._extract_commands(
+            msg=msg,
+            backend=backend,
+            channel_id="ch1",
+            text=text,
+            mentions=[User(id=bot_id)],
+        )
+
+        assert result is not None
+        assert result.command == "test"
+
+    def test_extract_command_without_prefix_shows_help(self, bot_with_symphony):
+        """Test that messages without / or ! prefix show help."""
+        bot_with_symphony._configs["slack"] = MagicMock()
+        bot_with_symphony._bot_user_ids["slack"] = "UBOT"
+        bot_with_symphony._bot_names["slack"] = "TestBot"
+        bot_with_symphony._commands["help"] = HelpCommand()
+
+        msg = Message(
+            id="msg1",
+            content="<@UBOT> just some text",
+            author=User(id="user1"),
+            channel=Channel(id="ch1"),
+            metadata={"backend": "slack"},
+        )
+
+        result = bot_with_symphony._extract_commands(
+            msg=msg,
+            backend="slack",
+            channel_id="ch1",
+            text="<@UBOT> just some text",
+            mentions=[User(id="UBOT")],
+        )
+
+        assert result is not None
+        assert result.command == "help"
+
 
 # Filter Messages for Backend Tests