game_center_leaderboard_sets_v2_create_instance

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

No annotations are present, so the description carries the full burden. It implies creation via POST but does not state side effects, required permissions, what the response contains, or whether the created resource is immediately active. The only meaningful content is a pointer to the OpenAPI schema for the payload envelope.

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 but wastes space by duplicating the endpoint path verbatim in parentheses. It is not front-loaded with purpose; the reader must parse an HTTP verb and a schema reference to infer intent.

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?

For a create tool with a nested request body, no output schema, and no annotations, the description does not explain what a leaderboard set is, which attributes are required, or what happens on success. Pointing at the OpenAPI spec is insufficient for an agent to call this correctly without external documentation.

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?

There is a single 'body' parameter with 100% schema description coverage, so the baseline is 3. The description merely repeats the schema's own pointer to components.schemas.GameCenterLeaderboardSetV2CreateRequest without adding any attribute-level meaning beyond what the schema already provides.

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 only restates the HTTP endpoint and path already encoded in the tool name, without a plain-language statement that this creates a new Game Center leaderboard set instance. An agent must infer the verb 'create' from the POST method rather than reading it. There is no differentiation from siblings such as game_center_leaderboard_sets_v2_update_instance or game_center_leaderboard_set_versions_v2_create_instance.

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?

There is no indication of when to use this tool versus the numerous sibling create/update/delete tools, nor any prerequisite or context. The description provides no usage guidance at all.

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