diff --git a/irc.lamb b/irc.lamb
index 7663b48..8b8ad5f 100644
--- a/irc.lamb
+++ b/irc.lamb
@@ -10,6 +10,11 @@ ADMINS = ["darkf"].
 -- channels to join
 CHANS = ["#lobby"].
 
+-- the lexical environment that $eval uses
+EVAL_ENV = [("loop", loop),
+			("repr", repr),
+			("itos", itos)].
+
 -- First we'll define some helper functions
 
 map(f, []) -> [].
@@ -137,6 +142,12 @@ handleMessage(s, nick, chan, "$savefacts") -> do
 	s
 end.
 
+handleMessage(s, nick, chan, "$eval "::line) -> do
+	ret = eval(line, EVAL_ENV);
+	say(chan, nick + ": " + repr(ret));
+	s
+end.
+
 handleMessage(s, nick, chan, "$join "::j) -> do
 	if isAdmin(nick) then do
 		fputstr(sock, "JOIN " + j + "\r\n");