All Commands (as of version 1.4.12):

.hltv

Lists all current commands

.hltv ping

Displays the current ping to the bot & the API

.hltv stats

Displays bot statistics, invite link and contact information

.teams

Lists all of the currently accepted teams

.teams rankings

Displays the top 30 team rankings & recent position changes. 'ranking' is also accepted.

.[teamname]

Displays the profile related to the input team

.[teamname] stats

Displays the statistics related to the input team

.[teamname] maps

Displays the map statistics related to the input team

.[teamname] link

Displays a link to the input teams HLTV page

.player [playername]

Displays player statistics from the given playername

.player rankings

Displays the top 30 player rankings & recent position changes. 'ranking' is also accepted.

.livematches

Displays all currently live matches

.matches

Displays all known scheduled matches

.results

Displays the most recent match results

.threads

Displays the most recent hltv user threads

.news

Displays the most recent hltv news & match info

.events

Displays info on current & upcoming events