diff --git a/seen/__init__.py b/seen/__init__.py
new file mode 100644
index 0000000..d948d5a
--- /dev/null
+++ b/seen/__init__.py
@@ -0,0 +1,7 @@
+from discord.ext import commands
+from .seen import Seen
+
+
+def setup(bot: commands.Bot):
+    n = Seen(bot)
+    bot.add_cog(n)
diff --git a/seen/info.json b/seen/info.json
new file mode 100644
index 0000000..2fc2e42
--- /dev/null
+++ b/seen/info.json
@@ -0,0 +1,11 @@
+{
+	"author": [
+		"aikaterna and Paddo"
+	],
+	"description": "Check when the user was last active on a server.",
+	"short": "Check when the user was last active on a server.",
+	"tags": [
+		"seen", "activity"
+	],
+	"type": "COG"
+}
\ No newline at end of file
diff --git a/seen/seen.py b/seen/seen.py
new file mode 100644
index 0000000..3abe3b5
--- /dev/null
+++ b/seen/seen.py
@@ -0,0 +1,66 @@
+import asyncio
+import discord
+import time
+from discord.ext import commands
+from datetime import datetime
+from redbot.core import Config
+
+
+class Seen:
+    def __init__(self, bot):
+        self.bot = bot
+        self.config = Config.get_conf(self, 2784481001, force_registration=True)
+        self.new_data = False
+
+        default_member = {
+            "member_seen": []
+        }
+
+        self.config.register_member(**default_member)
+
+    @commands.guild_only()
+    @commands.command(pass_context=True, name='seen')
+    async def _seen(self, ctx, author: discord.Member):
+        '''[p]seen <@username>'''
+        member_seen = await self.config.member(author).member_seen()
+        now = int(time.time())
+        try:
+            time_elapsed = int(now - member_seen)
+        except TypeError:
+            embed = discord.Embed(colour=discord.Color.red(), title='I haven\'t seen that user yet.')
+            return await ctx.send(embed=embed)
+        output = self._dynamic_time(time_elapsed)
+        if output[2] < 1:
+            ts = 'just now'
+        else:
+            ts = ''
+            if output[0] == 1:
+                ts += '{} day, '.format(output[0])
+            elif output[0] > 1:
+                ts += '{} days, '.format(output[0])
+            if output[1] == 1:
+                ts += '{} hour, '.format(output[1])
+            elif output[1] > 1:
+                ts += '{} hours, '.format(output[1])
+            if output[2] == 1:
+                ts += '{} minute ago'.format(output[2])
+            elif output[2] > 1:
+                ts += '{} minutes ago'.format(output[2])
+        em = discord.Embed(colour=discord.Color.green())
+        avatar = author.avatar_url if author.avatar else author.default_avatar_url
+        em.set_author(name='{} was seen {}'.format(author.display_name, ts), icon_url=avatar)
+        await ctx.send(embed=em)
+
+    def _dynamic_time(self, time_elapsed):
+        m, s = divmod(time_elapsed, 60)
+        h, m = divmod(m, 60)
+        d, h = divmod(h, 24)
+        return (d, h, m)
+
+    async def on_message(self, message):
+        if not isinstance(message.channel, discord.abc.PrivateChannel) and self.bot.user.id != message.author.id:
+            prefixes = await self.bot.get_prefix(message)
+            if not any(message.content.startswith(n) for n in prefixes):
+                author = message.author
+                ts = int(time.time())
+                await self.config.member(author).member_seen.set(ts)