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pasie15
by pasie15

Add Video to Playlist

neptime_add_video_to_playlist
Idempotent

Add a video to a playlist using playlist ID and video ID. Returns confirmation with updated video count.

Instructions

Add a video to a playlist. Limit: 500 videos per playlist.

Args:

  • list_id: Playlist ID (required)

  • video_id: Video ID to add (required)

Returns: Confirmation with updated video count.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
list_idYesPlaylist ID
video_idYesVideo ID to add
Behavior4/5

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

Annotations already declare idempotentHint=true and destructiveHint=false. The description adds the limit of 500 videos, which is useful behavioral context beyond annotations. No contradiction with annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is short and front-loaded, but the 'Args:' section is somewhat redundant with the schema. Still, every sentence adds value and there is no wasted text.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a simple add tool with 2 parameters and no output schema, the description is complete. It explains the action, limit, and return value ('Confirmation with updated video count'). No gaps.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100% and both parameters have descriptions in the schema. The description repeats the parameter names and types but adds minimal extra meaning. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states 'Add a video to a playlist' with a specific verb and resource. It includes a limit of 500 videos per playlist, and distinguishes from siblings like 'remove_video_from_playlist' and 'create_playlist'.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage (adding a video) but does not explicitly state when to use this tool vs alternatives like 'add_watch_later' or when not to use it. The limit provides some context but no exclusion criteria.

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

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