garmin_user_settings

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

No annotations are provided, so the description carries the disclosure burden. 'Get' conveys a read-only operation, and 'settings' indicates non-destructive behavior, but authentication/session prerequisites are not mentioned. It adds some behavioral context but not enough for full transparency.

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 front-loaded sentence with no wasted words. The verb and object appear immediately, and the parenthetical is the only elaboration.

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 no-parameter read tool with an output schema present, the description covers the core purpose and scope. The only meaningful gap is the unstated requirement that a user session must already exist via tools like garmin_login or garmin_resume_session.

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?

The input schema has zero parameters, so the baseline is 4 and there are no parameters to document. The parenthetical about units and preferences adds useful context about what the returned settings cover.

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 states a specific verb ('Get') and resource ('current user's Garmin Connect settings') with clarifying examples ('units, preferences'). It is clear, but it does not explicitly differentiate from sibling tools such as garmin_user_profile, so it falls just short of full sibling distinction.

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 signals its context—use when the current user's settings or preferences are needed—but it provides no explicit when-not-to-use guidance or named alternatives. Usage is implied rather than specified.

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