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

Annotations already declare readOnlyHint, idempotentHint, and openWorldHint=false, so the safety profile is covered structurally. The description adds useful content-level detail (address, opening hours, accepted payment methods, last-verified timestamp), but no behavioral traits such as error handling or staleness semantics beyond 'last checked'.

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 tight sentence, front-loaded with 'Everything about one place', that wastes no words. Slightly list-like but efficient and well-sized for a one-parameter lookup.

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 description need not explain return values, and the annotation set covers the operation's safety and idempotency. The main remaining gap is the absence of explicit routing guidance against the sibling search tools, but the core completeness is solid.

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 with 100% schema description coverage, and the schema already explains that it is the last part of the place URL. The description adds nothing about the id beyond what the schema documents, 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?

The description makes clear this retrieves the full record for a single place identified by an id from an earlier answer, which contrasts implicitly with the search-oriented siblings find_places and search_places. It names the returned fields rather than the verb itself, but the scope (one place, full record) is 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?

The phrase 'from an earlier answer' implies the id must come from a prior search/find result, giving some usage context. However, it never explicitly states when to use this versus find_places or search_places, nor any prerequisite beyond having the id.

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