download_sketchfab_model

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

With no annotations provided, the description carries the full burden. It discloses that the tool returns a success/failure message and requires downloadability and access rights. However, it does not explain side effects of the 'import' action, such as whether it modifies the scene, whether it is reversible, or whether it creates a duplicate asset.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is concise and well-structured: purpose first, then parameter list, then return and requirements. Every sentence earns its place without unnecessary verbosity.

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

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

For a simple one-parameter tool, the description covers the essential information: what it does, the parameter, the return value, and prerequisites. However, it could be more complete by explaining the relationship to sibling tools (e.g., searching for UIDs) and clarifying the destination of the imported model.

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

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

The schema provides no description for the uid parameter (0% coverage), so the description compensates by explaining it as the unique identifier of the Sketchfab model. While it lacks examples or format details, it adds meaning beyond the bare schema type.

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

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

The description clearly states the tool downloads and imports a Sketchfab model by its UID, using a specific verb and resource. It distinguishes itself from sibling tools like search_sketchfab_models (which finds UIDs) and get_sketchfab_status (which checks service status).

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

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

The description provides context on when to use the tool: when you have a UID and proper access rights, and the model must be downloadable. However, it does not explicitly mention alternatives or when not to use this tool, such as using search_sketchfab_models to first obtain a UID.

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