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

Annotations already declare readOnlyHint=true and openWorldHint=false, so the safe-read profile is covered. The description adds the result shape (ids for fetch, title, URL), but says nothing about ranking, result limits, or empty-result behavior. Given annotations carry the safety burden, a 3 is appropriate.

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?

One sentence, front-loaded with the core action, then the return contract. No filler and no redundancy.

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 one-parameter read tool with annotations and an output schema, the description covers what it does and what it returns, and links to the fetch follow-up. Only the lack of differentiation from closely related siblings keeps it from a 5.

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?

There is a single parameter with 100% schema description coverage, so the schema already supplies the query semantics and examples. The description's restatement of example queries adds little beyond the schema, making the standard baseline of 3 correct.

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?

States a specific verb (Find) and resource (GPU Economy pages), and enumerates the kinds of things a query can target (GPU, provider, price index, reserved rates, buy vs rent). It also clarifies the return contract (ids for fetch plus title and URL). It stops short of distinguishing itself from siblings like find_gpus, gpu_prices, or price_index.

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?

Usage is implied by the query examples and by the mention that the returned ids feed 'fetch', which is a sibling. However, there is no explicit when-to-use/when-not guidance and no statement about how this differs from the more targeted sibling tools.

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