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Garmin Connect MCP Server

by sedoglia

Update Workout

update_workout
Destructive

Modify an existing workout by updating its name, description, or segment structure. Use this tool to change workout details without recreating the entire routine.

Instructions

Update an existing workout (name, description, or structure).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
workoutIdYesThe unique workout identifier (required)
descriptionNoNew description for the workout
workoutNameNoNew name for the workout
workoutSegmentsNoUpdated workout segments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv4.3.0

TDQS

A4/5.0
Behavior3/5

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

Annotations provide destructiveHint=true, so the description doesn't need to repeat that. However, it doesn't add extra context beyond the annotation, such as whether the update is partial or full replacement, or any authorization requirements. Acceptable given the annotation coverage.

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 sentence, front-loaded with the verb 'Update', and covers all key aspects without verbosity. Every word 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 tool's simplicity, a concise description suffices. The schema fully documents parameters, and annotations cover destructive hint. The description is clear enough for straightforward updates, though could mention whether partial updates are supported.

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?

Schema coverage is 100% and descriptions are clear. The description adds the semantic grouping 'name, description, or structure' which helps clarify the purpose of the parameters beyond the schema. Good but not extensive.

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 'Update an existing workout' with a specific verb and resource, and lists the updatable aspects (name, description, structure). It distinguishes from siblings like create_workout and delete_workout.

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

Usage Guidelines3/5

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

The description implies usage (to modify existing workouts) but does not explicitly mention when to use vs. alternatives like create_workout or delete_workout, nor any prerequisites. Adequate but minimal.

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

Deploy Server

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