Reorder YouTube Playlist Item

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 discloses that the playlist must be owned and that confirmation is required, but does not mention side effects on other playlist items, error behavior, or whether the operation is reversible. This is minimally transparent.

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 a single sentence with two clauses, no redundant content, and is effectively front-loaded. It earns its place by stating the action and a critical requirement.

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 mutation tool with no annotations and no output schema, the description omits essential context such as parameter semantics, error conditions, and position behavior (e.g., 0-based index, bounds checking). This makes it incomplete for correct invocation, especially for agents that cannot infer these from the schema.

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 0%, and the description does not explain what 'url', 'playlist_item_id', 'position', or 'confirm' mean beyond the schema's type constraints. It leaves ambiguity about whether 'url' refers to the playlist URL or video URL, and gives no guidance on position indexing.

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 a specific verb 'Moves' with a specific resource 'exact item in an owned playlist', clearly distinguishing it from sibling tools like add/remove/update. It conveys the primary function in one concise sentence.

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?

It implies usage for reordering an item within a playlist the user owns, but does not explicitly mention when not to use it or reference alternative tools such as youtube_add_playlist_video or youtube_remove_playlist_item. The context of needing an exact item ID is helpful, but exclusions are missing.

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