spotify_get_track_name

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

No annotations are provided, so the description carries full burden. It states returns plain text but does not explicitly declare that the tool is read-only or non-destructive, nor does it mention authorization or rate limits. While the behavior is simple, the lack of explicit safety disclosure is a minor gap.

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 extremely concise: two sentences with no wasted words. It front-loads the core purpose and includes a practical use case, making it efficient for an AI agent to parse quickly.

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?

Given the tool's extreme simplicity (no parameters, no output schema), the description is almost complete. It could explicitly mention that it returns the name as a string, but 'plain text' implies that. The single-responsibility nature and context from siblings reduce the need for more detail.

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 zero parameters and the schema coverage is 100% (empty). Since there are no parameters, the description does not need to add parameter semantics. It correctly omits parameter details, resulting in no deficiency.

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 clearly states the tool retrieves only the name of the currently playing track, using a specific verb and resource. It distinguishes itself from siblings by emphasizing specificity ('ONLY the name') and return format ('plain text'), making it unique among related tools.

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 implies use for HUD displays but does not explicitly state when to use this tool versus alternatives like spotify_get_track_info, which provides more data. No exclusion criteria or when-not-to-use guidance is given, limiting its decision support.

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