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LePomas

Garmin Connect MCP

by LePomas

garmin_sleep

Retrieve raw private sleep data from Garmin Connect for a date in YYYY-MM-DD format. Access detailed sleep metrics for analysis.

Instructions

Get raw private sleep data for a date in YYYY-MM-DD format.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
dayNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Behavior3/5

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

With no annotations, the description carries the full burden. It discloses that the data is 'private' and 'raw', implying sensitivity, but does not mention authentication needs, rate limits, or what happens when the parameter is omitted (default null). It partially compensates but lacks depth.

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?

One concise sentence that front-loads the action and resource, with no wasted words. Every part earns its place.

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?

Given the single parameter, presence of an output schema, and the tool's simplicity, the description is nearly complete. It could mention that it returns sleep stages or limitations, but overall it is adequate for a straightforward data retrieval tool.

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

Parameters4/5

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

The input schema has 0% description coverage, so the description adds crucial meaning by specifying the date format 'YYYY-MM-DD'. This compensates for the schema's lack of detail, though it does not explain the meaning of 'default null'.

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 verb 'Get' and the resource 'raw private sleep data', and specifies the required date format 'YYYY-MM-DD'. This distinguishes it from sibling tools like garmin_activity or garmin_daily_stats.

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. It neither mentions context nor exclusions, leaving the agent to infer usage from the name alone.

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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