Race summary

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

Annotations already declare readOnlyHint, idempotentHint and openWorldHint, so the safety profile is covered. The description adds the returned field list, which is valuable given there is no output schema, but says nothing about ordering, the behavior of 'latest' for non-race sessions, or error cases.

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?

Two dense sentences, front-loaded with the returned payload and followed by the applicable session types. Nothing is repeated or padded.

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, the enumerated fields effectively serve as the return contract, and the session-type coverage is stated. The main omission is how it differs from get_session_result and whether results are ordered by finishing position.

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?

One parameter with 100% schema description coverage; the schema already documents session_key and the 'latest' constant. The description adds no format hints or examples beyond that, so the baseline 3 applies.

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?

Names the resource (session classification / race summary) and enumerates the exact fields returned, so the agent knows precisely what it gets. It does not differentiate itself from the near-identical sibling get_session_result, which leaves a real ambiguity unresolved.

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?

'Works for races, sprints, qualifying and practice' is useful scope guidance for which session types are valid. But there is no exclusion or routing guidance against get_session_result, get_position or get_intervals, so the agent must infer when this tool is preferred.

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