betr_fav4

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

With no annotations, the description must fully convey behavior. It only lists return fields but does not disclose whether the operation is read-only, has rate limits, pagination, or error handling. The safety profile is unclear.

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 brief with two sentences plus return format. It is efficient without filler, though the return structure could be better formatted or separated.

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?

Given the simplicity of the tool, the description lacks context about the 'Fav 4' concept, how it differs from sibling tools, and what the EventTypeFilter values mean. The agent would need to guess or infer usage.

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 parameter EventTypeFilter is described as a 'race-type filter' but no mapping of integer values to race types is given. The default value 7 is unexplained. With 0% schema description coverage, the description should provide more detail.

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 it returns 'Featured 'Fav 4' upcoming races' with a 'race-type filter', which distinguishes it from general race listings. The return structure is specified. However, it does not explicitly differentiate from siblings like betr_next5_races or betr_featured_racing.

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 is provided on when to use this tool versus alternatives. There is no mention of prerequisites, exclusions, or typical scenarios. The description only states what it does, not when it is appropriate.

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