garmin_strength_sets

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

With no annotations, the description carries the behavioral transparency burden. It does communicate that the activity must be a completed strength activity, which is a meaningful constraint beyond the schema. However, it does not explicitly state that the operation is read-only, nor what happens for missing or invalid activity IDs. This is adequate for a simple getter but not richly transparent.

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 description is extremely compact: one clause with no filler or repetition. It front-loads the core content and includes the key prerequisite 'completed strength activity.' Every word contributes meaning.

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 tool with complete schema coverage and an output schema, the mechanical invocation details are essentially covered. The main gap is selection context: there is no guidance on when to choose this tool over related activity/history siblings, which is important given the large sibling list.

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% and the single parameter activity_id is already described as 'Garmin activity id of a strength session.' The tool description adds the 'completed' nuance and clarifies the returned set-level fields, but it does not meaningfully expand the parameter's semantics beyond what the schema already provides. Baseline 3 is appropriate.

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 clearly identifies the tool's output: per-set exercise, reps, weight, duration, and rest for a completed strength activity. This resource is distinct from sibling tools like garmin_activity or garmin_exercise_history. However, it is a noun phrase rather than an explicit verb+resource statement, so a direct 'returns/retrieves' is missing.

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?

No guidance is given about when to use this tool versus alternatives such as garmin_activity, garmin_exercise_history, or garmin_preview_strength_workout. There are no explicit conditions, exclusions, or references to sibling tools, so an agent must infer when set-level strength detail is needed.

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