tool_get_weather

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

Discloses 'No auth required', which is useful. However, with no annotations, the description fails to mention rate limits, data source, accuracy, or what the forecast covers (e.g., daily/hourly). It is moderately transparent but lacks depth.

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 core purpose and authentication note. The Args list is concise but could be integrated more efficiently. No wasted sentences.

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?

No output schema exists, and the description does not specify what the tool returns (e.g., temperature, conditions, units). This omission is significant for a forecasting tool, leaving the agent uncertain about the response format.

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?

The Args section in the description specifies the date format 'YYYY-MM-DD' for start_date and end_date, which is not present in the schema (only titles). This adds meaning beyond the schema titles, though the other parameters (latitude, longitude) are not elaborated.

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 'Get weather forecast for travel dates', which is a specific verb+resource combination. It distinguishes itself from sibling tools like tool_find_aurora_destinations or tool_get_destination_info by focusing narrowly on weather forecasting for date ranges.

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?

No guidance on when to use this tool vs alternatives. Does not mention prerequisites, when not to use it, or how it differs from other weather-related tools among the many siblings.

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