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gameobject-set-parent

Set parent for multiple GameObjects in a Unity scene or prefab while optionally preserving world positions. Specify child objects and new parent; use null to unparent. Ideal for organizing hierarchies.

Instructions

Set parent GameObject to list of GameObjects in opened Prefab or in a Scene. Use 'gameobject-find' tool to find the target GameObjects first.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
gameObjectRefsYesArray of GameObjectRef to reparent. SCHEMA: [{"name":"ChildObject"}]
parentGameObjectRefYesNew parent. SCHEMA: {"name":"ParentObject"} or {"instanceID":12345}. Use null to unparent.
worldPositionStaysNoA boolean flag indicating whether the GameObject's world position should remain unchanged when setting its parent.true
Behavior3/5

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

No annotations provided, so description carries transparency burden. It mentions 'in opened Prefab or in a Scene' and discusses worldPositionStays, but does not elaborate on side effects or required permissions.

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?

Two sentences, front-loaded with key action and prerequisite. No extraneous information.

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

Completeness4/5

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

Given schema covers parameters and no output schema, the description adequately explains usage context and prerequisite. Lacks details about return values but overall sufficient.

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 coverage is 100% with descriptions for all three parameters. The description adds minimal extra meaning beyond the schema, meeting the baseline for high coverage.

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 clearly states 'Set parent GameObject to list of GameObjects', specifying the action and resource. It distinguishes from siblings like gameobject-find by noting prerequisite use.

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

Usage Guidelines4/5

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

Description advises using 'gameobject-find' first, establishing when to use this tool. However, it does not explicitly state when not to use it or list alternatives, though the purpose is straightforward.

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

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