This thread in the Xfire forums was started a while ago but still there is no support for Cortex Command with Xfire.

http://www.xfire.com/forums/182627/topic/1250108/?p=1#post6776792

If you'd like Xfire to support CC, please post in the above linked thread saying you wish it to be so...

What would we really gain from XFire support? A few updates ago, all XFire did for most of my games was make them lag tremendous amounts.

The fact that you don't have to alt+tab or play in a window if you want to talk to people and so on.

I personally can't and probably don't speak for most other people here, but when I'm playing, one of the last things on my mind is talking to people.

Seconded. It's more like this: BWAHAHAHAHA, DIE, DUM- Oh, ♥♥♥♥, it's 2 AM already.

I would appreciate this too. Xfire isn't just for talking to people; it lets you track the hours you're playing, and I think this would be tremendously useful. Also helps you go "Omgwtfbbq I just spent 30 hours on CC in 2 days"

I have a clock on my joystick but it dosen't help me play less, yesterday I spent a whole 13.5 hours from near eight to ten-to-nine in the eavning.
However I don't think that chating is among things CC players need, how would mouse users navigate the menu? Can you type a message without a ninja dummy killing your brain? I think it could be good if you could set up a room for cortex command only, then you could let people know what you'r playing, any mods or just say hi. this wouldn't be appreciated as a permament addition if it lagged though, I have a very high-end windows 7 computer and CC still goes down to 2 fps when I fire Shook's zero-division cannon.

if you want to use voice chat

use ventrilo

hard command keys to talk means no alt-tabbing

if you want text chat while playing CC you're just dumb

if you honestly want to track how many hours you've played CC jesus you're obsessed with e-peen and there's a huge number of programs that could do that for you.

Wait, X-Fire doesn't have these?
I use teamspeak, but I'm not a voicechat aficionado...

Of course it does.

excuse me

I misread a post somewhat

Perhaps you should research Xfire a bit before commenting. Ingame chat is used to chat to your xfire friends and msn contacts (this feature is in BETA.), so I have no idea what you mean by a "room" for cortex command. It creates minimal lag, I can run TF2 with full settings and have xfire open without a drop in FPS.
When you talk using Xfire, you press a key combination. (Scrolllock+X in my case.) This will usually pause any single-player game you are playing. Or if you don't do it, I must say that you are an idiot.

Xfire also provides in-game video recording, photographing, and browser support.

Oh, might just be me getting it confused with another chat then, the lag could have been my computer at the time, also it kept opening a website, not sure what or why. A game I had required it.
I guess I was relying on previous posts as fact about lag.
Anyway - Why wouldn't we use alt-tab? It hardly takes any time if CC is paused.
Also, does steam allow the comunity bar on non-steam games? Just I have steam and that would work if several people on the forums have steam.

You can register CC on steam, then start it up via steam.

I tried that and all it does is add a shortcut to your steam page, what I was wondering about was if the chat and comunity window could be accesed - it can't.