/achievement give <stat_name> <player>
<player> must be online. <stat_name> must be a valid Statistic or achievement name.
/ban <player> [reason]
/ban-ip <<address> - <player>>
/banlist [ips]
/blockdata <x> <y> <z> <dataTag>
Block at the coordinates specified must be a block that holds NBT Data.
/clear <player> [item ID] [DV] [maximum amount taken] [DataTag]
All tags, dv, stack count, and item id must match. <player> must be online.
/clone <x> <y> <z> <dx> <dy> <dz> <x2> <y2> <z2> [type]
Maximum copied cube volume is 4096 cubic meters(blocks).
/debug <start - stop>
/defaultgamemode <survival - creative - adventure - spectator>
Gamemode must be specified. Spectator only works in 1.8 and some of its snapshots.
/deop <player>
/difficulty <peaceful - easy - medium - hard>
Difficulty must be specified.
/effect <player> <effect ID(numerical)> [Time(seconds)] [amplifier]
<player> must be online <Effect ID> must be a valid ID. [Amplifier] cannot go below 0 and cannot exceed 255 [Time] cannot exceed 1000000
/enchant <player> <ID> [Enchantment level]
<player> must be online. <ID> must be a true enchantment ID. If [Enchantment level] is specified, it cannot go over the maximum level for the enchant.
/execute <player or entity> <x> <y> <z> <command> <Other command parameters>
If a player is specified, he/she must be online.
/fill <x> <y> <z> <dx> <dy> <dz> <block Name> [DataValue] [oldBlockHandling] [dataTag] OR /fill <x> <y> <z> <dx> <dy> <dz> <block Name> [DataValue] replace <Block Name> <ReplacedBlockData>
Maximum cube volume is 4096 cubic meters(blocks). Block name must be a valid name.
/gamemode <0 - 1 - 2 - 3 OR s - c - a - sp OR survival - creative - adventure - spectator> [player]
Game mode must be specified. Spectator is only available in Minecraft 1.8 and some of its snapshots
/gamerule <gamerule> [true - false]
<Gamerule> must be a valid gamerule.
/give <player> <Item name> [Amount] [Data Value(i.e. color of wool)(Numerical Only)] [NBT data tag]
If <player> and <Item name> parameters are entered, <Item name> must be a valid name (Numeric IDs allowed until 14w04a), <player> must be online. If [Amount] is specified, the Amount value must be greater than 0 but less than 65.
/help [page]
/kick <player> [reason]
<player> must be online.
/kill [player]
[player] must be online, if specified.
/list
/me <text>
If <text> parameter is entered in
/op <player>
/pardon <player>
/pardon-ip <ip address>
/particle <name> <x> <y> <z> <dx> <dy> <dz> <speed> [count] [player or entity]
If a player is specified, he/she must be online. Particle name must be valid.
/playsound <sound> <player> [x] [y] [z] [volume] [pitch] [minimumVolume]
<player> must be online. volume must be at least 0.0 pitch must be between 1.0 and 2.0 minimumVolume must be between 0.0 and 1.0
/publish
/save-all
/save-off
/save-on
/say <message>
/scoreboard <objectives - players - teams>
/seed
/setblock <x> <y> <z> <Block name> [dataValue] [oldBlockHandling] [dataTag]
Coordinates listed must be in loaded chunks. The block name must be a valid Block name.
/setidletimeout <minutes>
/setworldspawn [x] [y] [z]
Range is -30000000 to 30000000.
/spawnpoint <player> [x] [y] [z]
Range is -30000000 to 30000000.
/spreadplayers <x> <z> [spreadDistance] [maxRange] [respectTeams] <playernames>
/stop
/summon <Savegame ID(Mob ID (not numerical))> [x] [y] [z] [dataTag]
<Savegame ID> must be a true mob. Note that Monster or Mob cannot be spawned even though they're on the list when you press tab. [x] [y] [z] must be in loaded chunks and the y coordinate must be 0 or greater but 255 or lower. If one of the coordinates is provided, all others must be provided.
/tellraw <player> <raw json message>
<player> must be online. <raw json message> must be correctly coded in JSON.
/testfor <player or entity> [dataTag]
Must find a player or entity with correct conditions.
/testforblock <x> <y> <z> <blockname> [DataValue] [dataTag]
<blockname> must match the block at <x> <y> <z>.
/testforblocks <x> <y> <z> <dx> <dy> <dz> <x2> <y2> <z2> <dx2> <dy2> <dz2>
Two areas must be the same.
/time set <value> OR /time add <value>
/toggledownfall
/tp <player> <player2> OR /tp <player> <x> <y> <z>
<player> and <player2> must be online. <x> <y> <z> parameters must be in the range of -3000000 and 3000000. If coordinates are specified, all 3 must be specified.
/trigger
/weather < clear - rain - thunder> [Time (seconds)]
[Time] must be 1000000 or lower, and the weather type has to be specified
/whisper <player> <message>
If <player> and <message> parameters are entered and <player> must be online
/whitelist <add - remove> <player> OR /whitelist list OR /whitelist <on - off> OR /whitelist reload
/worldborder set <size> [delay] -OR- /worldborder center <x> <z>
/xp <player> <amount> OR /xp <player> <amount>L
<player> must be online. Maximum number at a time is 999999.