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aadeshrao123

Unreal-MCP

by aadeshrao123

list_data_assets

List data assets in a content browser path, filtered by class name to locate specific data assets for game development.

Instructions

List data assets in a content path, optionally filtered by class.

Args: path: Content Browser path (e.g. "/Game/Data") class_filter: Class name filter (e.g. "UItemData"). Matches any UDataAsset if empty.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathNo/Game
recursiveNo
max_resultsNo
class_filterNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
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 beyond the action. There is no mention of permissions, side effects, or behavior on missing paths. A read-only operation should be indicated.

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?

The description is relatively short and front-loaded with the main action. The Args section adds clarity, but could be more compact. However, it is efficient overall.

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?

Given the tool has 4 parameters and no annotations, the description is incomplete. It misses two important parameters (recursive, max_results) and does not explain the return value, though output schema exists. The description should cover all inputs to be adequate.

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?

The input schema has 4 parameters (path, recursive, max_results, class_filter), but the description only covers path and class_filter, omitting recursive and max_results. With 0% schema description coverage, the description fails to compensate, leaving two critical parameters unexplained.

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 the verb 'list', the resource 'data assets', and the scope 'in a content path, optionally filtered by class'. It distinguishes from sibling 'list_assets' which likely lists all asset types.

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?

The description provides no guidance on when to use this tool versus alternatives like 'find_assets' or 'list_assets'. No conditions for use or exclusion criteria are mentioned.

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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