get_weather_and_heat_risk

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

No annotations are provided, so the description carries the full burden. It only states the coordinate requirement (already present in the schema) and does not disclose read-only status, rate limits, error behavior, or other operational details. 'Fetch' implies a read operation but lacks explicit safety disclosure.

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, front-loaded with the main verb 'Fetch', and every word contributes to either purpose or prerequisites. No redundant or extraneous information is present.

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 is simple and the description covers its core purpose and prerequisite. However, it lacks guidance on selecting this tool over siblings such as get_heatwave_forecast, and does not address potential limitations or error scenarios. Since an output schema exists, return details are not needed, but the sibling differentiation gap remains.

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 0%, so the description must compensate. It merely repeats that latitude and longitude are required without explaining units, ranges, or format. The parameter names are self-explanatory, but the description adds minimal value beyond the schema.

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 the tool fetches live weather data (temperature, humidity, UV index) and a calculated WHO/CDC heat risk level. The specific verb 'Fetch' and resource combination distinguish it from siblings like get_air_quality and get_heatwave_forecast.

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 mentions the requirement for latitude and longitude but does not explicitly state when to use this tool versus alternatives like get_heatwave_forecast. The word 'live' implies current conditions, but no clear when-to-use or exclusion guidance is provided.

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