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

No annotations are provided, so the description carries the full burden of behavioral disclosure. It reveals the external dependency on Open-Meteo but does not mention network behavior, failure modes, rate limits, caching, whether the operation is read-only, or the returned coordinate format. This is minimal disclosure for a tool making an external call.

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 a single, front-loaded sentence with no filler or redundancy. It is efficient, though slightly under-specified in a way that is better captured by the completeness dimension.

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?

With seven heterogeneous input parameters, no output schema, and no annotations, this description is insufficiently complete. An agent cannot determine which parameter to populate, what the response structure looks like, or how errors from Open-Meteo are surfaced.

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?

All input parameters already have schema descriptions, so the baseline is 3. The tool description adds no parameter-level meaning, such as which parameter supplies the place name or how coordinates are represented. It stays generic at the resource level.

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 indicates that the tool provides latitude and longitude for a place using Open-Meteo. It lacks an explicit verb and does not explicitly differentiate itself from sibling tools, but the coordinate output is specific enough to distinguish it from weather or URL-oriented tools.

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?

There is no guidance on when to use this tool versus alternatives such as weather-hint or other siblings. The description gives no input requirements, exclusions, or conditions, leaving the selection decision entirely to the agent.

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