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blender-lab-mcp-client

by A-to-PC

blender_object_rotate

Set an object's rotation by providing [x, y, z] angles, with degrees as the default unit.

Instructions

Set the rotation of an object. Provide rotation as [x, y, z] angles. By default angles are in degrees.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYes
degreesNo
rotationYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.5/5.0
Behavior3/5

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

With no annotations, the description carries the burden of behavioral disclosure. It adds useful detail about the angle format and degree default, but it does not explicitly state what happens if degrees is false or clarify that this overwrites the object's existing rotation.

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

Conciseness5/5

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

The description is two short sentences with no filler. It front-loads the primary action and immediately provides the essential input format.

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

Completeness3/5

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

For a simple three-parameter tool with an output schema, the description is adequate but minimal. It gives enough to invoke the call, but lacks explicit coverage of radians when degrees is false and any behavior around invalid or missing objects.

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

Parameters3/5

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

Schema description coverage is 0%, so the description must compensate. It explains rotation as [x, y, z] angles and notes the degree default, which maps to the degrees parameter. However, the name parameter is not explained, and degrees: false semantics are only implied rather than stated.

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

Purpose5/5

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

The description states a specific verb and resource: 'Set the rotation of an object.' This clearly separates it from sibling transform operations like translate and scale, and the input format [x, y, z] angles reinforces the action.

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?

No guidance is given about when to use this tool versus alternatives such as blender_object_translate or blender_object_scale. The description only states what it does, not when it should be selected.

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