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RN0000

polyhaven-mcp

by RN0000

get_asset_info

Retrieve metadata and download links for any CC0 asset by providing its unique ID or slug.

Instructions

Information about an individual asset.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesThe unique ID/slug of the asset.
Behavior2/5

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

No annotations are provided, and the description only says 'information,' which does not disclose whether the tool is read-only, destructive, rate-limited, or requires authentication. The description carries the full burden but fails to provide behavioral details.

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 very concise with a single sentence. No unnecessary words, though it could be slightly expanded without losing conciseness.

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 that there is no output schema and the tool has siblings, the description is incomplete. It does not explain what the returned information contains, leaving the agent to guess the response format. A more complete description would help the agent interpret results correctly.

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?

Input schema coverage is 100% with a single parameter 'id' that has a description. The tool description adds no further meaning beyond the schema, so baseline score of 3 is appropriate.

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

Purpose4/5

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

The description clearly states the tool returns information about an individual asset, distinguishing it from siblings like get_asset_files (files) or search_assets (multiple assets). However, it could be more specific about what kind of information (e.g., metadata, status).

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 like get_asset_files or search_assets. The agent receives no context about optimal usage scenarios.

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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