search_sketchfab_models

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

With no annotations, the description carries the full burden of behavioral disclosure. It only says 'Search' without noting rate limits, authentication, pagination, or whether results are returned in a specific format. It doesn't contradict any annotations (none exist), but it provides minimal behavioral context beyond the action.

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 front-loaded, but it is under-specified rather than appropriately sized. A single sentence is acceptable for a simple tool, but given the four parameters and lack of parameter explanations, it omits necessary information, making it insufficiently structured.

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?

Despite having an output schema (which reduces the need to describe return values), the tool has four parameters with no explanations, no annotations, and no usage context. The description is too sparse to allow correct invocation without additional inference.

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?

Schema description coverage is 0%, so the description must compensate for undocumented parameters. It does not mention 'query', 'count', 'categories', or 'downloadable' at all, leaving the agent to rely on defaults and types. This adds no semantic value over the schema.

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 states a clear verb ('Search') and resource ('Sketchfab for 3D models'), effectively distinguishing it from siblings like 'download_sketchfab_model' and 'get_sketchfab_status'. However, it doesn't hint at any filtering or scoping capabilities, so it's clear but not deeply informative.

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?

No guidance is provided on when to use this tool versus alternatives. There is no mention of when to search vs. download or check status, nor any exclusions. The agent must infer usage from the tool name alone.

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