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

With no annotations, the description carries the full behavioral burden. It implies a read operation by using "List," but does not disclose pagination behavior, whether results are filtered or sorted, permission requirements, or what the response contains.

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 short and front-loaded, with the operation named first and the concept of a watch defined immediately afterward. The wording is efficient, though the definition sentence could be slightly more operational for a listing tool.

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 no annotations, no output schema, and low schema description coverage, the description is incomplete. It defines the watch entity but omits list-specific behavior such as pagination, filtering, sorting, and return shape.

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 coverage is only 33%, with limit and offset undocumented in the schema, and the description does not explain either parameter. It also does not clarify the required user_request parameter's role beyond what the schema already states.

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 states a clear verb and resource: "List Watches," and explains that a watch is a tracked player prop with a line or price move alert. It is specific enough to understand the core operation, but it does not distinguish list_watches from the sibling get_watches tool.

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 offers no explicit when-to-use guidance, exclusions, or comparison to alternatives such as get_watches or list_props. An agent must infer that this tool is for listing all watches rather than retrieving a specific watch or listing related prop data.

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