Features Documentation

Features	Description
minecraft:aggregate_feature	Places a collection of features in an arbitrary order.
minecraft:cave_carver_feature	Carves a cave through the world in the current chunk, and in every chunk around the current chunk in an 8 radial pattern.
minecraft:fossil_feature	Generates a skeletal structure composed of bone blocks and parametric ore blocks.
minecraft:geode_feature	generates a rock formation to simulate a geode.
minecraft:growing_plant_feature	Places a growing plant in the world.
minecraft:multiface_feature	Places multiface blocks on floors/walls/ceilings.
minecraft:nether_cave_carver_feature	Carves a cave through the Nether in the current chunk, and in every chunk around the current chunk in an 8 radial pattern.
minecraft:ore_feature	Places a vein of blocks to simulate ore deposits.
minecraft:partially_exposed_blob_feature	Generates a blob of the specified block with the specified dimensions.
minecraft:scatter_feature	Scatters a feature throughout a chunk.
minecraft:search_feature	Sweeps a volume searching for a valid placement location for its referenced feature.
minecraft:sequence_feature	Places a collection of features sequentially, in the order they appear in data.
minecraft:single_block_feature	Places a single block in the world.
minecraft:snap_to_surface_feature	Snaps the y-value of a feature placement pos to the floor or the ceiling within the provided vertical_search_range.
minecraft:structure_template_feature	Places a structure in the world.
minecraft:surface_relative_threshold_feature	Determines whether the provided position is below the estimated surface level of the world, and places a feature if so.
minecraft:tree_feature	Places a tree in the world.
minecraft:underwater_cave_carver_feature	Carves a cave through the world in the current chunk, and in every chunk around the current chunk in an 8-block radial pattern.
minecraft:vegetation_patch_feature	Scatters vegetation in an area.
minecraft:weighted_random_feature	Selects and places a feature randomly based on weighted probabilities.

Internal/Deprecated Components

These components are either deprecated or internal to Minecraft and not usable in custom content.

Features	Description
beards_and_shavers	Carves or fills terrain within a defined bounding box during world generation.
conditional_list	Evaluates conditions and places features from the first matching entry.
rect_layout	Arranges features in a rectangular grid pattern during world generation.
scan_surface	Searches for valid terrain surface positions before placing features.
sculk_patch_feature	Generates clusters of sculk blocks with veins spreading across surfaces, as found in Deep Dark biomes and Ancient Cities.