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

Annotations already declare readOnlyHint=true and destructiveHint=false, so the safety profile is covered. The description adds meaningful behavioral detail beyond annotations: it enumerates return contents (full_day/morning/afternoon, weekly hours, from/to dates, company defaults and custom overrides) and states the response is not paginated. It omits auth/error behavior, so it is not a 5.

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 dense sentence conveys scope, return fields, defaults/overrides, pagination status, and endpoint with no filler. The information is front-loaded around the resource and return shape.

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 single-parameter read tool with annotations covering safety and no output schema, the description supplies the important missing context: what the returned working-week segments contain, that company defaults and overrides are included, and that the response is not paginated. Nothing material for correct invocation is absent.

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 only one parameter, team_member_id, and schema description coverage is 100%, so the schema already defines it as a Charlie team member id. The description adds 'one team member' but no extra format, constraints, or lookup guidance beyond the schema, 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 precisely identifies the resource: working-week segments for one team member, including day-level full/half-day flags, weekly hours, from/to dates, company defaults, and custom overrides. It is clearly distinct from sibling retrieval tools such as get_team_member or get_team_member_working_location, though it does not explicitly name those alternatives.

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 by the resource name and endpoint; there is no explicit when-to-use, when-not-to-use, or named alternative guidance. 'Not paginated' is a useful operational note but does not help choose among sibling tools.

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