Browse a channel's recent uploads

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

With no annotations provided, the description adds key behavioral context: 'without affecting new-video tracking' and 'Works for any channel'. However, it lacks details on return format, error handling, or access requirements, which would improve transparency.

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 very concise: two short sentences that are front-loaded with the main action, followed by a clarifying statement. No wasted 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?

Given the tool's simplicity (2 parameters, no output schema), the description covers the core purpose and key behavioral nuance. It could be more complete by specifying ordering or time range, but it is largely adequate.

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 100%, so the schema already documents both parameters well. The description adds no extra meaning beyond the schema, resulting in a baseline score of 3.

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?

Description clearly states 'List the most recent uploads from a channel', specifying the exact action and resource. It distinguishes from sibling tools like 'check_new_videos' by noting it does not affect new-video tracking, and works for any channel.

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 implies this tool is for browsing recent uploads without affecting tracking, which differentiates it from 'check_new_videos'. However, it does not explicitly state when to use or avoid this tool, leaving some inference needed.

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