diff --git a/plugins/Anonymous.py b/plugins/Anonymous.py
index 90219b4b3..e649a371a 100644
--- a/plugins/Anonymous.py
+++ b/plugins/Anonymous.py
@@ -38,8 +38,8 @@ import supybot.plugins as plugins
 import supybot.conf as conf
 import supybot.utils as utils
 import supybot.ircdb as ircdb
+from supybot.commands import *
 import supybot.ircmsgs as ircmsgs
-import supybot.privmsgs as privmsgs
 import supybot.registry as registry
 import supybot.callbacks as callbacks
 
@@ -78,9 +78,6 @@ class Anonymous(callbacks.Privmsg):
                 _ = ircdb.users.getUser(msg.prefix)
             except KeyError:
                 irc.errorNotRegistered(Raise=True)
-        if channel not in irc.state.channels:
-            irc.error('I\'m not in %s, chances are that I can\'t say anything '
-                      'in there.' % channel, Raise=True)
         capability = self.registryValue('requireCapability')
         if capability:
             if not ircdb.checkCapability(msg.prefix, capability):
@@ -96,27 +93,27 @@ class Anonymous(callbacks.Privmsg):
             irc.error('That channel has set its capabilities so as to '
                       'disallow the use of this plugin.', Raise=True)
 
-    def say(self, irc, msg, args):
+    def say(self, irc, msg, args, channel, text):
         """<channel> <text>
 
         Sends <text> to <channel>.
         """
-        (channel, text) = privmsgs.getArgs(args, required=2)
         self._preCheck(irc, msg, channel)
         self.log.info('Saying %s in %s due to %s.',
                       utils.quoted(text), channel, msg.prefix)
         irc.queueMsg(ircmsgs.privmsg(channel, text))
+    say = wrap(say, ['inChannel', 'text'])
 
-    def do(self, irc, msg, args):
+    def do(self, irc, msg, args, channel, text):
         """<channel> <action>
 
         Performs <action> in <channel>.
         """
-        (channel, action) = privmsgs.getArgs(args, required=2)
         self._preCheck(irc, msg, channel)
         self.log.info('Performing %s in %s due to %s.',
-                      utils.quoted(action), channel, msg.prefix)
-        irc.queueMsg(ircmsgs.action(channel, action))
+                      utils.quoted(text), channel, msg.prefix)
+        irc.queueMsg(ircmsgs.action(channel, text))
+    do = wrap(do, ['inChannel', 'text'])
 
 
 Class = Anonymous
diff --git a/plugins/Observer.py b/plugins/Observer.py
index d85474171..8f22479bc 100644
--- a/plugins/Observer.py
+++ b/plugins/Observer.py
@@ -41,7 +41,7 @@ import random
 
 import supybot.conf as conf
 import supybot.utils as utils
-import supybot.privmsgs as privmsgs
+from supybot.commands import *
 import supybot.registry as registry
 import supybot.callbacks as callbacks
 
@@ -165,39 +165,36 @@ class Observer(callbacks.Privmsg):
         else:
             irc.reply('There were no relevant observers.')
 
-    def enable(self, irc, msg, args, channel):
+    def enable(self, irc, msg, args, channel, name):
         """[<channel>] <name>
 
         Enables the observer <name> in <channel>.  <channel> is only
         necessary if the message isn't sent in the channel itself.
         """
-        name = privmsgs.getArgs(args)
         if name not in self.registryValue('observers'):
             irc.error('There is no observer %s.' % name, Raise=True)
         self.registryValue('observers.active', channel).append(name)
         irc.replySuccess()
-    enable = privmsgs.checkChannelCapability(enable, 'op')
+    enable = wrap(enable, [('checkChannelCapability', 'op'), 'something'])
 
-    def disable(self, irc, msg, args, channel):
+    def disable(self, irc, msg, args, channel, name):
         """[<channel>] <name>
 
         Disables the observer <name> in <channel>.  <channel> is only
         necessary if the message isn't sent in the channel itself.
         """
-        name = privmsgs.getArgs(args)
         try:
             self.registryValue('observers.active', channel).remove(name)
             irc.replySuccess()
         except (KeyError, ValueError):
             irc.error('The observer %s was not active on %s.' % (name,channel))
-    disable = privmsgs.checkChannelCapability(disable, 'op')
+    disable = wrap(disable, [('checkChannelCapability', 'op'), 'something'])
 
-    def info(self, irc, msg, args):
+    def info(self, irc, msg, args, name):
         """<name>
 
         Returns the relevant information on the observer specified by <name>.
         """
-        name = privmsgs.getArgs(args)
         if name not in self.registryValue('observers'):
             irc.error('That\'s not a valid observer.', Raise=True)
         g = self.registryValue('observers.%s' % name, value=False)
@@ -207,8 +204,9 @@ class Observer(callbacks.Privmsg):
         irc.reply('%s matches the regular expression %s and '
                   'runs the command %s with a probability of %s' %
                   (name, regexp, command, probability))
+    info = wrap(info, ['something'])
 
-    def add(self, irc, msg, args):
+    def add(self, irc, msg, args, name, probability, regexp, command):
         """<name> [<probability>] <regexp> <command>
 
         Calls <command> when <regexp> matches a given message.  Before
@@ -218,19 +216,15 @@ class Observer(callbacks.Privmsg):
         otherwise it should be a floating point probability that the observer
         will execute if it matches.
         """
-        if len(args) < 3:
-            raise callbacks.ArgumentError
-        try:
-            probability = float(args[1])
-            del args[1]
-        except ValueError:
-            probability = 1.0
-        (name, regexp, command) = privmsgs.getArgs(args, required=3)
         if not registry.isValidRegistryName(name):
             irc.error('That\'s not a valid observer name.  Please be sure '
                       'there are no spaces in the name.', Raise=True)
         registerObserver(name, regexp, command, probability)
         irc.replySuccess()
+    add = wrap(add, ['something',
+                     optional('float', 1.0),
+                     ('regexpMatcher', False),
+                     'text'])
 
     def remove(self, irc, msg, args):
         """<name>