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Delete an animation

bb_delete_animation

Remove an animation from a Blockbench project by specifying the animation name. Delete unwanted animations to declutter your model's timeline.

Instructions

Remove an animation from the project.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
animationYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.0.0

TDQS

C2.7/5.0
Behavior2/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full behavioral burden. It implies a destructive removal but does not say whether the deletion is undoable via bb_undo, what happens to the animation's keyframes, or what occurs if the named animation does not exist.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

A single efficient sentence with the action front-loaded and no filler. It is appropriately sized for a one-parameter tool, though it is arguably too terse to earn a top mark.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness2/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a destructive operation with no annotations, no output schema, and an undocumented identifier parameter, the description omits the information an agent needs to call it safely and correctly. Undo behavior and error conditions are unaddressed.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 0% and the single required 'animation' parameter is an undocumented string. The description adds nothing about whether this expects an animation name, an index, or an ID, leaving the caller to guess the identifier format.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb (remove) and resource (animation) and scopes it to 'the project'. However, it does not differentiate itself from the closely related sibling bb_delete_keyframe, so an agent must infer the distinction from the name alone.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

There is no guidance on when to use this versus alternatives such as bb_delete_keyframe or bb_set_animation, nor any stated preconditions (e.g. animation must exist, animation must not be playing). The description is a bare statement of effect.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.