youtube.channel.get_profile

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

No annotations present; description lacks details on behavior such as authentication requirements, rate limits, or effects of forceRefresh parameter.

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 with clear front-loading of verb and resource; no extraneous words.

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 tool with 2 undocumented parameters and no output schema, the description is insufficient; it omits input format details and refresh semantics.

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 has zero description coverage and the tool description does not explain what the 'channel' parameter expects (ID vs handle) or the purpose of 'forceRefresh'.

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 ('Fetch') and resource ('channel title, description, statistics, thumbnails, and branding metadata'), clearly differentiating from sibling tools like get_uploads.

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?

Implicitly indicates fetching profile data, but no explicit when-to-use or comparison with alternative channel tools.

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