youtube_get_channel_analytics

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

No annotations are provided, so the description carries full burden. It only states 'Read,' implying read-only, but lacks details on rate limits, data freshness, scope limitations (only the authenticated channel), or any destructive behavior. Insufficient for understanding side effects.

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?

Single sentence, no fluff. However, it is under-specified; conciseness should not come at the cost of missing critical information. Could be improved by adding parameter hints or usage context.

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 4 parameters, no output schema, and no annotations, the description is severely incomplete. It does not explain what metrics are available, the date format, the return structure, or the required authentication state. This is inadequate for a tool of moderate complexity.

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%. The description does not mention any parameters or their semantics. It only says 'metrics,' but does not explain the four parameters (metrics, end_date, dimensions, start_date) or their defaults. The agent gets no help understanding parameter meaning beyond names.

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 clearly states 'Read channel analytics metrics for the authenticated channel,' specifying the verb (Read), resource (channel analytics metrics), and scope (authenticated channel). This distinguishes it from sibling tools like youtube_get_video_analytics.

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?

No guidance on when to use this tool vs. alternatives like youtube_get_video_analytics. No prerequisites (e.g., authentication needed) or exclusions provided. The description is minimal and does not help with decision-making.

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