create_playlist

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

No annotations are provided, so the description carries the full burden. It states that it creates a playlist and returns the ID and URI, which is useful. However, it does not disclose potential side effects (e.g., whether the playlist is immediately accessible), authentication requirements, rate limits, or constraints like name uniqueness.

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?

Two concise sentences: first states the purpose, second states the return value. No extraneous text. Every sentence earns its place.

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?

For a creation tool with 3 parameters, no output schema, and no annotations, the description is too brief. It does not explain parameter usage, prerequisites (e.g., user authentication), or what the returned ID/URI looks like. The sibling tools include many playlist operations, but this tool's description lacks enough detail to fully understand its role in a workflow.

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 input schema has 3 parameters with 0% description coverage, meaning the description does not explain what each parameter does. It mentions 'name' implicitly by saying 'Create a new playlist', but does not describe 'public' or 'description' beyond what the schema's default values indicate. This leaves the agent without semantic guidance.

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 'Create a new Spotify playlist for the current user.' It uses a specific verb and resource, and distinguishes from sibling tools like add_tracks_to_playlist, which are about modifying existing playlists.

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 that this tool is for creating playlists for the current user, but it does not provide explicit guidance on when to use it versus alternatives (e.g., no mention of prerequisites or cases where creation might fail). Usage is implied but not elaborated.

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