create_playlist

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

With no annotations, the description carries the burden of disclosing side effects. It reveals that creation requires explicit confirmation, hinting at a safety mechanism, but it doesn't describe what happens if confirmation is false, or any other behavioral constraints like authentication. It adds some value but lacks depth.

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?

One succinct sentence conveys action and prerequisite without waste. Front-loads the verb 'Create' for immediate understanding.

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 full schema coverage and an output schema present, the agent has the necessary parameter details. The description adds the confirmation requirement, making it sufficiently complete for a simple creation tool, though it doesn't discuss return values (covered by output schema) or alternative tools.

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 covers 100% of parameters with descriptions, so the baseline is 3. The description's mention of 'explicit confirmation' echoes the confirm parameter's description but doesn't add new meaning to name or private.

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 uses the specific verb 'create' and the resource 'NetEase playlist', clearly distinguishing it from the read-only sibling tools like get_playlist and music_search. It also adds the critical condition 'after explicit confirmation,' which is not present in the tool name.

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 the primary use case (creating a playlist) and provides a key usage guideline (must have explicit confirmation). However, it doesn't explicitly name alternatives or say when not to use, but given the sibling list is all read-oriented, the intended use is clear.

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