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unity_search_by_layer

Locate every GameObject assigned to a given layer in Unity. Provide the layer name or index, and receive a list of matching objects.

Instructions

Find all GameObjects on a specific layer.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
layerYesLayer name or index (e.g. 'UI', 'Water', '5')
limitNoMaximum results to return (default: 500).
portNoTarget Unity instance port for parallel-safe routing. Get this from unity_select_instance. When working with multiple Unity instances, ALWAYS include this parameter.
Behavior2/5

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

No annotations are provided, and the description does not disclose behavioral traits like what is returned (active only?), error handling, or performance implications. The limit parameter is not explained in context.

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 a single, clear 7-word sentence, fully front-loaded with no wasted words.

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?

Given no output schema and no annotations, the description is minimally adequate but lacks details on return format, pagination, or error cases. It could be more complete for a search tool.

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%, so the description adds no new meaning beyond the schema. It does not elaborate on the layer parameter beyond what the schema already states.

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 it finds GameObjects on a specific layer, using a specific verb and resource. It distinguishes from sibling search tools like unity_search_by_name or unity_search_by_tag.

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 provided on when to use this tool versus alternatives such as unity_search_by_name or unity_search_by_tag. The description does not mention limitations or when not to use.

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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