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Garmin Weight Range

garmin_get_weight_range
Read-onlyIdempotent

Get weight and body-composition logs from Garmin for any date range. Supports privacy mode and response format options.

Instructions

Get Garmin weight/body-composition logs for a date range. Not medical advice.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
start_dateNoStart date as yyyy-MM-dd or today.today
end_dateNoEnd date as yyyy-MM-dd or today.today
privacy_modeNoOptional per-call privacy override. Defaults to GARMIN_PRIVACY_MODE or structured. raw returns upstream Garmin JSON. summary minimizes sensitive health and profile details.
response_formatNomarkdown

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
endpointYes
privacy_modeYes
dataYes
Behavior3/5

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

Annotations already declare it as read-only, idempotent, and non-destructive. The description adds a disclaimer ('Not medical advice') but does not elaborate on behavior like date range handling or privacy implications. It adds minimal value beyond annotations.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is a single, front-loaded sentence with no redundant information. It efficiently conveys the core purpose.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

While the description is brief, it covers the essential purpose and includes a disclaimer. An output schema exists to explain return values, so the description does not need to detail that. It could mention that data spans a range, but it already does. Slightly more context about what body-composition includes would improve completeness.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 75% (three of four params have descriptions). The description does not explain parameters further; it relies on the schema. Baseline 3 is appropriate.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool retrieves weight/body-composition logs for a date range, using a specific verb ('Get') and naming the resource. It distinguishes itself from sibling tools that focus on single-day metrics or different health data.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines2/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

No guidance is provided on when to use this tool versus alternatives like daily summaries or other get tools. With many sibling tools, explicit usage context would be helpful.

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

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