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

Annotations already declare readOnlyHint=true, idempotentHint=true, destructiveHint=false and openWorldHint=false, so the safety profile is fully covered elsewhere. The description adds no behavioral context of its own — nothing about what happens on a missing/invalid id, error behavior, or what the folder record contains.

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 short sentence, front-loaded with the verb and resource, with no filler. It is close to the minimum viable phrasing; a slightly richer sentence could carry usage and return context at little cost.

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?

There is no output schema, and the description does not indicate what a spreadsheet_folder record returns (fields, nesting) or how the id is typically obtained. For a simple single-record read the annotations and schema cover most needs, but the return-side gap keeps this at minimum-viable.

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 100% and the single id parameter is documented in the schema itself. The description only restates 'by id' and adds no format, source, or lookup guidance beyond the structured field, 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?

States a specific verb (Read) plus the resource (spreadsheet_folder) and scope (one, by id), which implicitly separates it from spreadsheet_folder_list and spreadsheet_folder_create/update/delete. It does not explicitly name a sibling, but the singular-plus-identifier framing makes the read-one semantics 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?

Usage is only implied: an agent can infer it should call this when it already holds a spreadsheet_folder id and needs the record. There is no explicit statement of when to prefer this over spreadsheet_folder_list or spreadsheet_file_read, and no prerequisite or failure guidance.

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