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Blockbench Animation
Create animations for 3D models using Blockbench MCP tools.
Available Tools
| Tool | Purpose |
|---|---|
create_animation | Create animation with keyframes for bones |
manage_keyframes | Create/edit/delete keyframes per bone and channel |
animation_graph_editor | Fine-tune animation curves (smooth, linear, ease) |
bone_rigging | Create/modify bone structure for animation |
animation_timeline | Control playback, time, FPS, loop settings |
batch_keyframe_operations | Batch operations: offset, scale, reverse, mirror |
animation_copy_paste | Copy animation data between bones/animations |
Quick Start
Create a Simple Animation
1. create_animation: name="walk", animation_length=1.0, loop=true
2. manage_keyframes: bone_name="leg_left", channel="rotation",
keyframes=[{time: 0, values: [30, 0, 0]}, {time: 0.5, values: [-30, 0, 0]}]
3. animation_timeline: action="play"Animation Channels
position- [x, y, z] offsetrotation- [x, y, z] degreesscale- [x, y, z] or uniform number
Interpolation Types
linear- Constant ratecatmullrom- Smooth splinebezier- Custom curvesstep- Instant change
Common Workflows
Walk Cycle (1 second)
create_animation: name="walk", animation_length=1.0, loop=true, bones={
"leg_left": [
{time: 0, rotation: [30, 0, 0]},
{time: 0.5, rotation: [-30, 0, 0]},
{time: 1.0, rotation: [30, 0, 0]}
],
"leg_right": [
{time: 0, rotation: [-30, 0, 0]},
{time: 0.5, rotation: [30, 0, 0]},
{time: 1.0, rotation: [-30, 0, 0]}
]
}Smooth Curves
animation_graph_editor: bone_name="arm", channel="rotation", action="smooth"Copy Animation to Mirrored Bone
animation_copy_paste: action="copy", source={bone: "arm_left"}
animation_copy_paste: action="mirror_paste", target={bone: "arm_right", mirror_axis: "x"}Batch Timing Adjustment
batch_keyframe_operations: operation="scale", selection="all",
parameters={scale_factor: 2.0} # Double animation durationBone Rigging
Create Bone Structure
bone_rigging: action="create", bone_data={name: "spine", origin: [0, 12, 0]}
bone_rigging: action="create", bone_data={name: "head", origin: [0, 24, 0], parent: "spine"}Set Pivot Point
bone_rigging: action="set_pivot", bone_data={name: "arm_left", origin: [4, 22, 0]}Timeline Control
animation_timeline: action="set_fps", fps=60
animation_timeline: action="set_length", length=2.5
animation_timeline: action="loop", loop_mode="loop" # or "once", "hold"
animation_timeline: action="set_time", time=0.5
animation_timeline: action="play"Tips
- Use
list_outlineto see available bones before animating - Set up bone hierarchy first with
bone_riggingbefore adding keyframes - Use
catmullrominterpolation for organic movement - Use
stepinterpolation for mechanical/robotic movement - Mirror animations for symmetrical rigs to save time
