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

Annotations already declare readOnlyHint=true and openWorldHint=true, so safety is covered. The description adds value by enumerating the returned fields in the absence of an output schema, but says nothing about the effect of include_odds, data freshness for live games, or any rate/permission constraints.

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?

A single front-loaded sentence with no filler, and the core purpose ('one game') leads. Brevity comes at the cost of any usage guidance, but the sentence itself is well-formed and waste-free.

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?

With no output schema, listing returned fields is genuinely useful, and the required-parameter trio is documented in the schema. However, a read tool spanning 25+ leagues with an unexplained include_odds flag and no usage guidance leaves clear gaps for correct invocation.

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 75%, below the high-coverage baseline, and the one undocumented parameter (include_odds) is left unexplained in both schema and description. The description mentions 'broadcasts' and 'officials' as outputs but clarifies nothing about sport/league/event_id semantics beyond what the schema already states.

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?

States a specific verb and resource ('Full details for one game') and enumerates the data returned (teams, score, status, venue, season/week, broadcasts, officials). An agent can distinguish it from list-style siblings like get_events, though no sibling is named explicitly.

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 is a pure field list with no when-to-use guidance, no prerequisites, and no routing to alternatives such as get_box_score or get_plays for deeper stats. The only sourcing hint (event_id from get_live_events/get_events/get_schedule) lives in the schema, not the description.

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