Activity: List_activities

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

Annotations already declare readOnlyHint=true and openWorldHint=true, so safety behavior is covered. The description adds nothing beyond the operation name: no indication of pagination behavior, result scope, permissions, or what an 'activity entry' contains. With annotations carrying the behavioral load, the description contributes almost no extra context.

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 single sentence is front-loaded and contains no filler or redundancy. It is efficiently structured, though very terse for a list tool with filter capabilities.

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?

For a simple three-parameter list tool with a fully documented schema and safety annotations, the description is minimally adequate. It does not clarify the boundary between 'activity entries' and sibling audit/access event resources, which is a meaningful gap for tool selection. No output schema exists, but the return shape is also left unspecified.

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 100%, so the filter syntax, offset semantics, and pageSize limits are already fully documented in the schema. The description adds no parameter meaning beyond that, which is the baseline when the schema does the heavy lifting.

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 gives a clear verb+resource (list account activity entries), so the agent knows it is a read/list operation. However, it does not distinguish this tool from sibling event tools such as List_audit_events or List_access_events, and 'activity entries' is not defined further. Clear but without sibling differentiation.

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?

There is no when-to-use guidance, no prerequisites, and no mention of alternative tools. With many list/event siblings available, the agent is left to infer when this tool is appropriate. This is effectively no guidance.

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