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

Annotations already declare readOnlyHint=true and openWorldHint=false, so safety is covered. The description adds real value by disclosing the returned content in detail, including recency signalling via 'last-verified date' and the conditional 'Trip.com link (if available)' — useful for judging staleness and completeness of the payload.

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?

One dense but well-ordered sentence; the core purpose is front-loaded and the enumerated contents each carry distinct meaning. No filler, though the comma-list runs long enough that scanning for a specific field takes effort.

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 description carries the burden of explaining return values and does so thoroughly. It omits failure behavior (e.g., unknown slug) and freshness guarantees, but for a single-param read-only lookup the coverage is close to 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?

There is a single parameter and the schema documents it fully (100% coverage) with an example slug. The description only reinforces singular scope ('a specific China attraction') and adds no format or sourcing detail beyond the schema, so 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?

The description makes clear this returns a booking guide for one specific attraction, enumerated by content type (official channel, passport acceptance, prices, hours, pitfalls, steps, links). It is distinguishable from search_attractions/list_cities, but it is phrased as a content inventory rather than a verb+resource statement, so the 'get' action is inferred rather than stated.

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 gives no when-to-use or when-not-to-use guidance, and no alternative is named. The only workflow hint ('slug from search_attractions') lives in the schema, not the description, so an agent gets no explicit routing instruction from the text itself.

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