game_center_activity_version_releases_get_instance

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

No annotations are provided, so the description carries the full behavioral burden. It discloses only deprecation status; it says nothing about authentication requirements, rate limits, or what the response contains. Deprecation is genuinely useful, but for a tool with zero annotation coverage this is a thin disclosure.

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 under-specified rather than concise, and it wastes its one line duplicating the path in parentheses. The deprecation marker is correctly front-loaded, but the repeated route earns no place.

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 read tool with four parameters, no output schema, and no annotations, the description should at least hint at what is returned or what to use instead of a deprecated endpoint. It supplies neither, leaving the agent with only a raw route string.

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 100%, so the schema already documents id, include, and both fields_* sparse-fieldset parameters. The description adds no parameter meaning (e.g., accepted values or how 'include' affects the payload), so the baseline of 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?

The description states a verb (GET) and a specific resource path (gameCenterActivityVersionReleases/{id}), so an agent can infer it fetches a single release instance. However, this is essentially the tool name re-expressed as an HTTP route, with no prose clarifying what a 'version release' is or how it differs from the many sibling get_instance tools.

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 only usage signal is the [DEPRECATED] tag, which usefully warns the agent away from the tool but names no replacement or alternative. There is no guidance on when this fetch is appropriate versus the create/delete release siblings or the newer activity-version endpoints.

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