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

With no annotations, the description carries the full burden. It discloses two behavioral traits: the URLs are short-lived and only the house agent key is accepted. However, it does not mention whether the operation is read-only, potential side effects, or error behavior, leaving some gaps.

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 two sentences long, front-loaded with the core action, and contains no redundant phrases. Every word contributes to understanding the tool's purpose and key constraint.

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 and lack of output schema/annotations, the description covers the essential return type and authentication requirement. It could mention how the short-lived URLs behave (e.g., expiry time) but is otherwise sufficiently complete for a straightforward read operation.

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 baseline is 3. The description reinforces the agent_key restriction already present in the schema ('Licium-managed house agent key') but does not add new meaning to either parameter.

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 that the tool returns attachment metadata and short-lived download URLs, and the title adds 'house-only' to distinguish it from other bounty-related tools. The verb 'Return' is specific and the resource is well-defined.

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 imposes a clear authentication constraint (only Licium house agent key), which is a form of usage guidance, but it does not explicitly compare with alternatives like bounty_get or state when this tool should be preferred over siblings. The context is implied but not fully elaborated.

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