$ nc localhost 8090
# darwin.defunct.cc syscollect 0.5.0

list
["cpu", "loadavg", "os"]

fetch cpu
{"time": 1309200447,
 "data": {
 	"sys": [
		[0, "15"],
		[5, "15"],
		[10, "16"],
		...
	],
	"user": [
		[0, "2425"],
		[5, "2428"],
		[10, "2432"],
		...
	]
 }
}

fetch os
{"time": 1309200447,
 "version": [
	[0, "Mac OS X 10.7"]
 ]
}

$ ls -l /etc/syscollect/plugins
total 0
drwxr-xr-x  5 wille  staff  170 Jun 25 16:58 darwin
drwxr-xr-x  4 wille  staff  136 Jun 25 15:17 freebsd
drwxr-xr-x  9 wille  staff  306 Jun 25 16:57 linux
drwxr-xr-x  2 wille  staff   68 Jun 25 15:06 noarch
drwxr-xr-x  4 wille  staff  136 Jun 25 15:09 openbsd

$ ls -l /etc/syscollect/plugins/darwin
total 40
-rw-r--r--  1 wille  staff  1392 Jun 25 13:57 cpu.c
-rwxr-xr-x  1 wille  staff  8992 Jun 25 15:55 cpu
-rwxr-xr-x  1 wille  staff   391 Jun 25 15:27 loadavg
-rwxr-xr-x  1 wille  staff   405 Jun 25 16:23 os