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

No annotations are provided, so the description carries the full burden for behavioral disclosure. It mentions an external Open-Meteo dependency but does not clarify whether the call is network-bound, what the output format is, or how the many other parameters are treated. It is not contradictory, but it is too thin for an agent to predict the behavior confidently.

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 one-line, front-loaded phrase with no filler or redundant wording. It is efficient, though perhaps so terse that it under-specifies the tool rather than being concisely complete.

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?

The tool has nine optional parameters, no required parameters, and no output schema, yet the description only says it gives coordinates for a place. It does not say which parameter is needed, what the output format is, or how the unrelated parameters should be treated. This is a significant gap for an agent trying to invoke it correctly.

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 100%, so the baseline is 3 even if the description adds little. The description adds the notion of a place and Open-Meteo, but does not explicitly map any of the nine optional parameters to the geographic lookup, leaving city, query, or zone ambiguous.

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 says the tool returns latitude and longitude for a place via Open-Meteo, which identifies the core function. It is clear at a high level, but it does not explicitly distinguish itself from sibling tools or mention which parameter is the input.

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 timezone. No conditions, exclusions, or example scenarios are given, so the agent is left to infer when and how to invoke it.

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