SpotifyPlaylist

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

With no annotations, the description must disclose behavioral traits. It does clarify the delete nuance (unfollow vs hard delete). However, it omits details on authentication requirements, rate limits, or side effects of other actions (e.g., adding tracks may have ownership/duplicate implications).

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, using a bullet list to present actions. It is front-loaded with the overall purpose and each sentence earns its place. Zero waste.

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 complexity (6 parameters, multiple actions) and lack of output schema, the description covers the main operations but does not specify return values or error behavior. An AI agent might need more detail on what each action returns (e.g., list returns playlist objects) for proper invocation.

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 coverage is 100%, so baseline is 3. The description adds value by relating parameters to specific actions (e.g., name required for create, track_ids for add/remove). This contextual grouping enhances understanding beyond the schema's per-parameter descriptions.

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 manages playlists and lists five specific actions (list, create, add_tracks, remove_tracks, delete) with brief explanations. This provides a specific verb-resource mapping and distinguishes the tool from siblings by its focus on playlist operations.

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 provides clear context for each action, including required parameters (e.g., name for create, playlist_id for delete). It notes that delete unfollows rather than permanently removes. However, it does not explicitly state when not to use this tool or compare with alternatives like SpotifySearch for finding tracks.

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