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

Annotations already declare readOnlyHint, openWorldHint, idempotentHint, and non-destructive behavior, covering the safety profile. The description adds minimal behavioral context beyond the name and schema—'Get all' implies completeness, but no additional details about pagination, limits, or return format are provided, though the annotations lower the burden.

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?

The description is a single concise sentence with no fluff. However, it could be slightly more structured by providing a usage hint or relationship to sibling tools, but it earns its place and is appropriately sized for this simple tool.

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?

Given the low complexity (one parameter), strong annotations, and absence of an output schema, the description is adequate for an agent to invoke the tool correctly. It clearly states what the tool returns (memories) and the required input. No additional context is strictly necessary, though a note about memory ownership or scope could enhance completeness.

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%: the single parameter 'category' is fully described in the input schema. The description does not add extra semantics or examples beyond what is already structured, so the baseline score of 3 is appropriate.

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 'Get all memories in a specific category' uses a specific verb (Get), identifies the resource (memories), and scopes by category. It directly distinguishes from the sibling tool getUserMemoryCategories, which lists categories, making the purpose clear and 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 description provides no guidance on when to use this tool versus alternatives, such as getUserMemoryCategories, nor does it mention any prerequisites or exclusions. It simply states the action without contextual usage information.

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