spraay_research_preprints_recent

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

Annotations already provide readOnlyHint=true and openWorldHint=true. The description adds value by stating cost ($0.002 per call) and a usage hint about passing parameters as typed. No contradictions with annotations, but no additional behavioral details beyond cost.

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 with four sentences, each providing essential information: purpose, cost, read-only nature, and parameter handling. Information is front-loaded and there is no fluff.

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 tool with two optional string parameters and an output schema (plus annotations), the description covers purpose, cost, read-only, and parameter usage. It is complete enough for an agent to understand and invoke the tool correctly.

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 descriptions are trivial ('category parameter', 'max_results parameter'). The tool description adds that category is an arXiv category, which provides some meaning. However, it does not explain the format (e.g., 'cs.AI') or any constraints for max_results. With 100% schema coverage baseline, the description adds marginal value.

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 'Latest arXiv preprints by category' clearly states the tool's purpose: retrieving recent preprints from arXiv, filtered by category. The name 'recent' distinguishes it from sibling tools like 'spraay_research_preprints_search' and 'spraay_research_preprints_by_id'. However, the verb is implicit (not 'get' or 'list'), so not perfectly specific.

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 does not provide explicit guidance on when to use this tool versus alternatives. It mentions 'by category' but does not explain when to use this over the search or by-id variants. There is no when-not-to-use or alternative tool suggestions.

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