bottube_comment

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

With no annotations supplied, the description carries the full behavioral burden, and it does disclose the API-key authentication requirement, which is useful. But it omits other meaningful traits for a write operation: whether comments are moderated/rate-limited, what happens on failure (invalid video_id), and whether a duplicate is rejected.

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?

A single, front-loaded sentence with no filler; the action and its key prerequisite are stated immediately and nothing is wasted.

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 simple two-parameter action tool with a fully described schema and no output schema, the description covers the essentials (action + auth). It could be marginally stronger by noting error behavior, but nothing critical to invoking it correctly is missing.

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 both parameters (content, video_id) are already documented in the schema. The description adds no additional parameter semantics such as limits on comment length or ID format, so the baseline of 3 applies.

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 and resource ("Post a comment on a BoTTube video"), which is enough to distinguish it from the other sibling actions like bottube_upload, bottube_vote, and bottube_search. It doesn't explicitly name or contrast a sibling, but the action is unambiguous.

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 parenthetical prerequisite ("requires BOTTUBE_API_KEY") gives a precondition for use, which is a genuine usage signal. However, it says nothing about when to choose this over related tools (e.g., bottube_vote) or any constraining conditions, so usage is only implicitly clear from the verb.

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