youtube_get_playlist

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

With no annotations, the description carries the full burden. It usefully discloses pagination semantics (one page at a time, has_more flag, next_page field) but says nothing about read-only safety, auth/cookie requirements, rate limits, or what a page contains.

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 compact clauses with the core action front-loaded and zero filler. Slightly cryptic — 'one playlist page' could be clearer — but efficiently sized for the tool's simplicity.

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 small 3-param read tool with no output schema or annotations, the description covers pagination mechanics but leaves limit semantics and auth/cookie prerequisites unstated, leaving gaps an agent would have to guess at.

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% for 3 parameters. The description explains that page is 1-based and ties into has_more/next_page, partially compensating, but limit and playlist_id format/meaning are undocumented in both schema and description.

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?

States a specific verb+resource ('Get one playlist page'), which is clear and separable from siblings like youtube_list_playlists (listing playlists vs. fetching one). However, it never names or distinguishes itself from an alternative, and the object of the fetch (the playlist's videos?) is left implicit.

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 sentence 'use next_page when has_more is true' gives actionable iteration guidance, but there is no when-to-use/when-not guidance relative to siblings such as youtube_list_playlists or youtube_add_videos, and no prerequisites (e.g. whether auth/cookie setup is required).

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