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

Annotations already declare readOnlyHint, idempotentHint, and destructiveHint=false, so the safety profile is covered. The description adds approval-related context, but it is ambiguous whether that applies to this read operation or only to subsequent scope changes.

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?

Two compact sentences with the action front-loaded. The second sentence about approval requirements is somewhat tangential to a simple read operation, but it is not verbose.

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?

The tool is simple, annotations cover safety, and an output schema exists, so return-value detail is not required. However, the description omits guidance on obtaining folderId and does not clarify this tool's relationship to sibling visibility, update, and list tools.

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 0%, so the description must compensate, but it adds no meaning for folderId beyond the parameter name. The schema itself supplies UUID format and pattern, but the description does not explain how to obtain or use a folder ID.

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 and resource: "Read a document folder." The scope-change framing narrows the apparent purpose and does not differentiate it from siblings such as get_document_folder_visibility, update_document_folder, or list_document_folders.

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?

Provides one explicit usage context: "before changing its organization-wide scope." It does not say when to use this instead of get_document_folder_visibility or list_document_folders, nor does it explain general read usage outside scope changes.

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