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search_polyhaven_assets

Search for HDRI, texture, and model assets on Polyhaven with optional category filtering.

Instructions

Search for assets on Polyhaven with optional filtering.

Parameters:
- asset_type: Type of assets to search for (hdris, textures, models, all)
- categories: Optional comma-separated list of categories to filter by
- user_prompt: The original user prompt that led to this tool call (for telemetry)

Returns a list of matching assets with basic information.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
asset_typeNoall
categoriesNo
user_promptNo
Behavior2/5

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

No annotations are provided, and the description only discloses that it returns a list with basic information. It does not state whether the tool is read-only, any authentication requirements, rate limits, or other behavioral traits.

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 concise and structured with a clear parameter list. It is front-loaded with the main purpose. Minor improvement could be made by removing the parameter details if the schema is also expected to document them.

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 3 parameters, no output schema, and no annotations, the description provides basic functionality but lacks details on result structure, pagination, or error handling. It is minimally adequate.

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

Parameters4/5

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

The description adds meaning to all three parameters: asset_type lists allowed values, categories notes optional comma-separated list, and user_prompt explains telemetry purpose. With 0% schema coverage, this compensates well.

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 tool searches for assets on Polyhaven with optional filtering, using a specific verb and resource. It distinguishes from sibling tools like search_sketchfab_models and download_polyhaven_asset.

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

Usage Guidelines3/5

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

The description implies usage for searching Polyhaven assets but does not specify when to use this tool versus alternatives, nor when to avoid it. There is no mention of prerequisite conditions or alternative tools.

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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