get_nutrition_daily_meals

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 discloses that the tool returns meal summaries and each meal includes a mealId for logging, which is useful. However, it does not explicitly state that this is a read-only operation, nor mention date handling, timezone, or error behavior.

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 concise, well-structured, and front-loaded with the primary purpose. The returns detail and parameter documentation are directly relevant with no filler content.

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 with one required parameter and an output schema already present. The description explains what the tool returns and why mealId matters, making it sufficient for correct invocation. It could be slightly more complete with explicit sibling differentiation or date edge-case behavior, but these are minor gaps.

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 does by documenting the date parameter as YYYY-MM-DD format, which is essential for correct invocation. It does not add additional context like valid date ranges or timezone behavior, but for a single required parameter the format guidance is significant.

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 gets daily meal summaries and specifies the resource (breakfast, lunch, dinner, snacks) with nutritional totals. It does not explicitly differentiate from related siblings like get_nutrition_daily_food_log or get_nutrition_daily_settings, but the meal-summary focus is reasonably distinct.

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 provides clear context: use it to retrieve meal-level summaries and obtain mealId values needed for logging food items. It does not explicitly state when not to use it or name alternative tools for food logs, but the intended use case is clear.

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