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

Annotations already declare readOnlyHint=true and openWorldHint=true, so the safety profile is covered. The description usefully discloses the shape of what is returned (status, viewers, active break/lot, full list), but says nothing about auth needs, behavior on an invalid id, or freshness/liveness of viewer and break data.

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 that lists the returned facets without padding. It is efficient, though it reads as a noun phrase rather than stating the action, which slightly weakens the lead.

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 an output schema present, the return-value explanation is arguably redundant, and the tool is a simple single-parameter read. The remaining gap is the undocumented 'id' and the absence of any usage context, leaving the definition adequate but not fully self-sufficient.

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 0% and the single required 'id' has no description in either the schema or the description. The phrase 'A Fanatics Live show's' only loosely implies the id is a show identifier; there is no statement of its format or where an agent obtains one.

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 names the specific resource (a Fanatics Live show's detail page) and enumerates the returned facets (status, viewers, hosting channel/shop, active break/lot, full break/lot list), which distinguishes it from the browse/list siblings like fanaticslive_browse and fanaticslive_shop_shows. It lacks an explicit verb ('get/retrieve'), but the resource and scope are unambiguous.

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 when-to-use guidance or prerequisites are given, and no alternative is named. An agent must infer that this is the detail-fetch tool for a single show versus the browse/listing siblings, with nothing in the text to confirm the routing decision.

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