Commands
Kore provides type-safe builders for all Minecraft commands. This page covers both simple and complex command usage with examples.
Commands are used inside Functions to perform actions in the game. For dynamic command arguments, see Macros.
Simple Commands
Simple commands are straightforward and take basic arguments like strings, numbers, or selectors.
Say Command
The say command broadcasts a message to all players in the chat. The message appears with the sender's name (the entity executing the command). For more advanced chat formatting, see Chat Components.
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Teleport Command
The teleport (or tp) command instantly moves entities to a new location. You can teleport to absolute coordinates, relative positions, or another entity's location. Optionally specify rotation (yaw/pitch) for the entity to face after teleporting.
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Give Command
The give command adds items directly to a player's inventory. If the inventory is full, items drop on the ground. You can specify item count and use Components for custom item data.
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Kill Command
The kill command instantly removes entities from the world. Killed entities trigger death events (drops, death messages for players). Use selectors to target specific entity types.
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Effect Command
The effect command applies or removes status effects (like Speed, Regeneration, Poison) from entities. Effects have duration (in seconds or infinite) and amplifier levels (0 = level I, 1 = level II, etc.).
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Gamemode Command
The gamemode command changes a player's game mode (Survival, Creative, Adventure, Spectator). Each mode has different abilities and restrictions.
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Time Command
The time command controls the world's day/night cycle. Time is measured in ticks (20 ticks = 1 second, 24000 ticks = 1 Minecraft day). Day starts at 1000, noon at 6000, night at 13000.
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Weather Command
The weather command changes the world's weather state. Clear weather has full sunlight, rain reduces light and affects mob spawning, thunder enables lightning strikes and charged creeper creation.
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Summon Command
The summon command spawns a new entity at the specified location. You can provide NBT data to customize the entity's properties (name, AI, equipment, etc.).
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SetBlock Command
The setblock command places a single block at the specified coordinates. Use modes to control behavior: destroy (drops items), keep (only if air), or replace (default).
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Fill Command
The fill command fills a rectangular region with blocks. Modes include: replace (all blocks), hollow (only outer shell), outline (shell without clearing inside), keep (only air blocks), and destroy (drops items).
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Enchant Command
The enchant command adds an enchantment to the item held by the target entity. The enchantment must be compatible with the item type. For more control over enchantments, see Enchantments.
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Difficulty Command
The difficulty command gets or sets the world's difficulty level (Peaceful, Easy, Normal, Hard). Difficulty affects mob damage, hunger depletion, and whether hostile mobs spawn.
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SpawnPoint Command
The spawnpoint command sets where a player respawns after death. Each player can have their own spawn point. Optionally specify the facing direction on respawn.
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SetWorldSpawn Command
The setworldspawn command sets the default spawn point for all new players and players without a personal spawn point. This is where the world compass points to.
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StopSound Command
The stopsound command stops currently playing sounds for players. You can filter by sound source (master, music, weather, etc.) and specific sound. Useful for stopping looping sounds or music.
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Stopwatch Command
The stopwatch command manages server-side timers that count game ticks. Stopwatches persist across sessions and can be queried in execute conditions. Useful for cooldowns, timed events, and measuring durations.
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You can also use stopwatches in execute conditions:
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Message Commands
The msg command (aliases: tell, w) sends a private message to a specific player. The teammsg command (alias: tm) sends a message to all members of the sender's team. See Scoreboards for team management.
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Spectate Command
The spectate command makes a player in Spectator mode view the game from another entity's perspective. Call without arguments to stop spectating.
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Debug Commands
These commands are server debugging utilities. debug starts/stops profiling and creates a report. perf captures performance metrics for 10 seconds. jfr starts/stops Java Flight Recorder profiling.
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Complex Commands
Complex commands have nested structures and multiple sub-commands. Kore provides specialized builders for these.
Execute Command
The execute command is one of the most powerful commands in Minecraft. It allows you to:
- Change the execution context (who/where the command runs)
- Add conditions (only run if criteria are met)
- Store command results in scores or NBT
- Chain multiple modifiers together
Use execute with Predicates for complex conditions.
Basic Execute
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Execute with Conditions
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Execute with Multiple Conditions
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Execute with Position and Dimension
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Execute with Alignment and Anchoring
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Execute with Entity Relations
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Execute Store
Store command results in scores or NBT:
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Data Command
The data command reads and writes NBT (Named Binary Tag) data on entities, block entities (chests, signs, etc.), and command storage. NBT stores complex data like inventory contents, entity attributes, and custom tags. Operations include get (read), merge (combine), modify (change specific paths), and remove (delete).
Basic Data Operations
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Data Merge
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Data Modify
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Data Remove
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Scoreboard Command
The scoreboard command manages objectives (score types) and player/entity scores. Scoreboards are essential for tracking game state, creating timers, and building game mechanics. See Scoreboards for detailed usage.
Bossbar Command
The bossbar command creates and controls boss bars - the progress bars normally shown during boss fights. Boss bars can display custom text, colors, and progress values. They're useful for timers, progress indicators, and UI elements.
Team Command
The team command creates and manages teams for players and entities. Teams control PvP (friendly fire), name tag visibility, collision, and chat colors. See Scoreboards for more on teams.
Attribute Command
The attribute command reads and modifies entity attributes like max health, movement speed, attack damage, and armor. You can get/set base values or add temporary modifiers that stack.
Schedule Command
The schedule command delays function execution by a specified time. Useful for timers, cooldowns, and delayed effects. Time can be specified in ticks, seconds, or days. See Scheduler Helper for advanced scheduling patterns.
Loot Command
The loot command generates items from Loot Tables and distributes them to players, containers, or the world. Sources include fishing, killing entities, mining blocks, or direct loot table references.
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Particle Command
The particle command spawns visual particle effects in the world. Particles have position, spread (delta), speed, and count. Use force mode to make particles visible from far away or through blocks.
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Special Particle Types
Clone Command
The clone command copies blocks from one region to another. Supports cross-dimension cloning, filtering by block type, and different modes: replace (all blocks), masked (non-air only), move (removes source). Use strict to fail if regions overlap incorrectly.
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Selectors
Selectors target entities in the world. Kore provides type-safe selector builders with filters for entity type, distance, scores, NBT, and more:
Macros
Macros allow dynamic command arguments that are substituted at runtime. They're useful for creating reusable functions with parameters.
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For detailed macro usage including macro classes and validation, see Macros.
Raw Commands
For commands not yet supported by Kore or for special cases, use addLine. This is also useful when working with Macros for fully dynamic commands:
Note: Using raw commands bypasses type safety. Prefer the DSL builders when available.
Custom Commands
Create your own command builders for mods or custom functionality. See Functions for more details on the Function context:
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See Also
- Functions - Create and organize command functions
- Macros - Dynamic command arguments
- Predicates - Conditions for execute if predicate
- Chat Components - Formatted text in commands
- Tags - Use tags in commands and selectors
External Resources
- Minecraft Wiki: Commands - Complete command reference
- Minecraft Wiki: Target selectors - Selector syntax
