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

Discloses output scope, ordering, and included field (page URL). No annotations exist, so the description carries the burden and covers the main behavioral aspects, though pagination or result limits are not mentioned.

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 concise sentence with no redundant wording. Front-loads the action and resource, then specifies scope, ordering, and output field efficiently.

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?

With no parameters and no output schema, the description adequately conveys what the tool returns and in what order. Minor omissions like empty-result behavior or potential size are not critical for a simple list tool.

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 tool has no parameters, so parameter-specific guidance is irrelevant. Schema coverage is effectively complete, and the description adds no parameter semantics because none exist.

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 ('list') and resource ('composers') with clear scope: every composer with published tracks, ordered by prolificness, including page URL. Distinct from sibling tools by naming and scope.

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?

Implies usage when you need all composers with published tracks, but does not explicitly explain when to choose this over sibling tools like list_entries or search_encyclopedia, nor provide exclusions or alternatives.

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