Get Owned YouTube Playlist Items

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

With no annotations, the description carries the full burden. It says 'gets', implying a read-only operation, and mentions 'explicit item page', hinting at pagination. However, it does not disclose authentication requirements, rate limits, or what happens if the playlist is not owned, leaving behavioral gaps.

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 14-word sentence that front-loads the verb and key qualifiers. Every word adds value, with no filler or redundancy.

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 no annotations, no output schema, and zero parameter descriptions, the description is too minimal. It covers the core purpose and ownership constraint but fails to explain parameter usage, response format, or authentication nuances, making it incomplete for an agent to invoke correctly.

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%, so the description must compensate. It relates 'url' to the playlist but provides no explanation of 'limit' or 'pageToken' and how they map to pagination. The phrase 'explicit item page' is a vague hint, but the parameter semantics are largely unexplained.

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 'Gets', names the resource 'playlist items', and adds key qualifiers: 'one explicit item page' and 'owned by the authenticated channel'. This clearly distinguishes it from the sibling tool youtube_get_playlist_items, which likely handles any playlist.

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 by specifying the playlist must be 'owned by the authenticated channel', which signals when this tool is appropriate. However, it does not explicitly name the alternative youtube_get_playlist_items or state when not to use this tool, so exclusions are absent.

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