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

Annotations already declare a safe read (readOnlyHint, idempotentHint, non-destructive, closed-world), so the description need not restate safety. It does add real behavioral context by disclosing the complete status_label taxonomy the tool surfaces, which an agent cannot get from the annotations or the schema. It omits pagination, ordering, and result-size behavior, keeping it out of 5 territory.

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?

Front-loaded with the core action ('Every release in this account') before the status detail, and there is no filler. The long inline status list makes it a single dense sentence, which is slightly harder to scan than a well-structured multi-sentence definition.

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 output schema, the description carries some of the burden and does so by specifying the status vocabulary and the inclusion of release questions. Annotations cover the safety profile and the sole parameter is documented in the schema. Missing pagination/ordering notes are the only notable gap.

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 description coverage is 100% and the single optional artist parameter is fully explained there (label connection, artist_user_id or exact name). The description adds nothing about that parameter, and its 'every release in this account' phrasing is slightly at odds with the filtering the parameter enables. Baseline 3 applies.

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+resource: it lists every release in the account, and it enumerates the full set of status_label values so the agent knows exactly what dimension is returned. It does not explicitly distinguish itself from near-siblings like list_albums or list_tracks, so it stops short of a 5.

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 only implied: the agent can infer this is the call to enumerate releases, and 'including anything Audora asked about' hints at a relationship to get_release_questions/answer_release_question, but no alternative is named and no when-to-use vs when-not condition is stated.

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