NebulaMind

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

No annotations provided, so description carries full burden. 'Get' implies read-only access but fails to disclose auth requirements, caching behavior, data freshness (real-time vs aggregated), or whether this is an expensive/rate-limited operation.

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?

Single sentence, appropriately sized for a parameter-less tool. Information is front-loaded with 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?

Minimal but adequate for a simple getter with output schema handling return structure. Could be improved by clarifying scope (e.g., global vs page-specific stats) or time granularity, but matches the low complexity of the interface.

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?

Zero parameters per schema. Baseline score applies as there are no parameters requiring semantic clarification beyond the empty 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?

Clear verb 'Get' and resource 'visitor statistics' identifies the tool's function. Distinguishes from content-oriented siblings (read_page, post_comment) by focusing on analytics/visitors rather than page content or actions.

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 provided on when to use this versus alternatives. No mention of whether this is public data or requires authentication, or if it should be called before/after other operations.

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