/gamemode [player] : survival, creative, adventure, spectator [player]: Optional player name or target selector /give [amount] [data] [components] : Player name or target selector : Item ID (e.g., minecraft:diamond) [amount]: Number of items [data]: Optional data value (e.g., durability) [components]: Item JSON data /tp [rotation] [facing] : Player or entity to teleport : Coordinates or entity name [rotation]: Optional (yaw and pitch) [facing]: Optional entity or block to face /setblock [data] [method] : Block position : Block ID (e.g., minecraft:stone) [data]: Optional block states [method]: destroy, keep, replace /summon [data] : Entity ID (e.g., minecraft:zombie) : Position [data]: Optional NBT data World Modification Commands /fill [data] [method] [replaceBlock] and : Two corners of the fill area : Block ID [data]: Optional block states [method]: destroy, keep, replace, outline, hollow [replaceBlock]: Block to replace (if using replace) /clone [maskMode] [cloneMode] [tileName] and : Region to clone : Where to paste the region [maskMode]: replace, masked, filtered [cloneMode]: normal, force, move [tileName]: Block ID for filtering /setworldspawn [pos] [pos]: Optional position for the world spawn /weather [duration] : clear, rain, thunder [duration]: Optional duration in seconds /time : Command action : Time value or modifier Entity and Player Management /effect [seconds] [amplifier] [hideParticles] : Target : Effect name (e.g., minecraft:speed) [seconds]: Duration [amplifier]: Effect strength [hideParticles]: true or false /title [rawtext] : Target player : title, subtitle, actionbar, clear, reset [rawtext]: Optional text JSON /scoreboard [options] : e.g., objectives, players, teams : Name of the scoreboard objective [options]: Depending on the subcommand /clear [item] [data] : Target [item]: Optional item ID [data]: Optional item data Redstone and Gameplay /execute : Entity to execute from : Position or ~ for relative coordinates : Command to execute /playsound [volume] [pitch] [minimumVolume] : Sound ID : Target player : Optional coordinates [volume], [pitch], [minimumVolume]: Sound parameters /particle [delta] [speed] [count] [mode] [players] : Particle name (e.g., minecraft:flame) : Location [delta]: Size variation (x, y, z) [speed]: Speed of particles [count]: Number of particles [mode]: normal, force [players]: Target players Custom Command: /launch Description: Launches a player in a specified direction with a customizable power. Perfect for creating launch pads or fun map mechanics. Command Syntax: /launch Arguments: : Target player or entity (e.g., @p, @a, Steve) : The strength of the launch (e.g., 1 = small boost, 5 = high boost) : Direction to launch (e.g., up, forward, backward, custom) Example Implementation Using Existing Commands: 1. Detect the Command Input: Set up an NPC or Command Block to execute the following chain commands: Main Command: /execute @s[tag=launchPad] ~ ~ ~ function launch_handler launch_handler.mcfunction: execute @s[scores={launch_power=..10}] ~ ~ ~ tag @a add launched execute @a[tag=launched] ~ ~ ~ run /particle flow flame ~power.rotation.*scale Custom Command: /launch Arguments: Target player or entity to be launched (e.g., @p, @a, or a specific player's name). Strength of the launch (numeric value). Determines how far or high the player is launched. Direction of the launch: up: Launch the player straight upward. forward: Launch the player in the direction they're facing. backward: Launch the player in the opposite direction they're facing. custom: Allows custom vector input for advanced launches. 1. /freeze Arguments: : Target player or entity to freeze (e.g., @p, @a). : Duration in seconds the player/entity remains frozen. Function: Freezes the target, preventing movement and actions for the specified duration. 2. /heal Arguments: : Target player to heal (e.g., @p, @r). : Amount of health to restore (numeric value, e.g., 10). Function: Restores the specified amount of health to the target player. 3. /explode [power] Arguments: : Coordinates where the explosion occurs (e.g., ~ ~ ~). : Explosion radius in blocks (numeric value). [power]: Optional strength of the explosion (default: 4). Function: Creates an explosion at the given position with customizable radius and power. 4. /lightning [chain] Arguments: : Coordinates for the lightning strike (e.g., ~ ~ ~). : Target entity or player for the lightning to follow (e.g., @e). [chain]: Optional, spawns a chain of lightning strikes. Function: Strikes lightning at a location or targets an entity, with optional chained strikes. 5. /customparticle Arguments: : Name of the particle effect (e.g., minecraft:flame). : Position where the particle appears (e.g., ~ ~ ~). : Number of particles to spawn. : Speed of the particles (numeric value). Function: Spawns a custom particle effect at the specified position. 6. /shield Arguments: : Target player or entity to give the shield (e.g., @p, Steve). : Duration in seconds the shield lasts. Function: Grants the target invincibility or reduced damage for a limited time. 7. /gravity Arguments: : Target player or entity to modify gravity (e.g., @a). : Gravity mode: normal: Default gravity. low: Moon-like gravity. high: Increased gravity pulling the player down faster. Function: Adjusts gravity for the target player or entity. 8. /teleportzone Arguments: : Start corner of the zone (coordinates). : End corner of the zone (coordinates). : Where players/entities in the zone are teleported to. Function: Creates a teleportation zone between two corners that sends entities to the destination. 9. /boost Arguments: : Target player or entity (e.g., @p, @a). : Direction of the boost (e.g., up, forward, custom). : Boost strength (numeric value, e.g., 5). Function: Gives the target a speed or jump boost in the specified direction. 10. /spawnmob [data] Arguments: : Mob type to spawn (e.g., minecraft:zombie). : Coordinates to spawn the mob (e.g., ~ ~ ~). : Number of mobs to spawn. [data]: Optional NBT data for custom mob properties. Function: Spawns a specific number of mobs with optional customization. 11. /settrap Arguments: : Position of the trap (e.g., ~ ~ ~). : Type of trap (e.g., fire, explosion, poison). : Radius of the trap's effect. Function: Sets a trap at a location with a specific effect and radius. 12. /gravityfield Arguments: : Center of the gravity field (e.g., ~ ~ ~). : Radius of the field in blocks. : Gravity type (e.g., pull, push, zero). Function: Creates a gravity field that pulls, pushes, or nullifies gravity for entities within a radius. 13. /fireworks [power] Arguments: : Coordinates for the fireworks launch (e.g., ~ ~ ~). : Firework pattern (e.g., burst, star, trail). : Firework color (e.g Command: /custom_player Arguments: The target player (e.g., @p, @a, or a specific player's name). The action to perform or attribute to modify for the player. speed: Adjusts the player's movement speed. jump: Sets the player's jump height. health: Changes the player's health. hunger: Sets the player's hunger level. glow: Toggles glowing effect on/off. effect: Adds a status effect to the player. The value for the specified action (e.g., speed multiplier, health points, etc.). For speed or jump: A numeric value (e.g., 2.0 for double speed). For health: A numeric value between 0 and 20. For hunger: A numeric value between 0 and 20. For glow: on or off. For effect: The effect name (e.g., minecraft:strength) and optional duration/amplifier. Examples Set Player Speed /custom_player @p speed 2.0 Increases the player’s speed to 2x the normal rate. Set Player Health /custom_player @p health 10 Sets the player's health to 10 points (5 hearts). Add Glowing Effect /custom_player @p glow on Makes the player glow. Apply Status Effect /custom_player @a effect minecraft:strength 30 1 Gives all players Strength for 30 seconds at level 1. Command: /add_npc [behavior] Arguments: The name of the NPC player (e.g., "Guide", "Merchant", "Guard"). The position where the NPC spawns (e.g., ~ ~ ~ for relative coordinates). The role or type of the NPC. Examples include: trader: NPC acts like a villager with custom trades. guard: NPC defends an area or attacks hostile mobs. quest_giver: NPC provides quests or tasks. dialogue: NPC serves for custom dialogue interactions. [behavior] (Optional) Specifies additional behavior for the NPC. Examples: stationary: NPC stays in one spot. wandering: NPC roams a small area. follow: NPC follows a specified player. Examples Add a stationary quest-giver NPC: /add_npc Guide ~ ~ ~ quest_giver stationary Spawns a quest-giver NPC named "Guide" at the current location that stays in one place. Add a wandering trader NPC: /add_npc Merchant ~100 ~50 ~ trader wandering Spawns a trader NPC named "Merchant" at specific coordinates, who roams the area. Add a guard NPC to follow the player: /add_npc Knight @p guard follow Spawns a guard NPC named "Knight" that follows the player and attacks hostile mobs. Features to Add Custom Appearance: Use JSON or commands to customize the NPC's skin and gear. Custom Dialogues: Add text or commands for the NPC to interact with players. Custom Trades: For traders, define unique trade offers using NBT or JSON. AI Behavior: Use /execute and tags for complex NPC behavior (e.g., patrolling, fighting).