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moxus

Intervals.icu MCP Server

by moxus

create_workout

Create a structured workout in your library using builder syntax for intervals and steps.

Instructions

Create a new workout in the library.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
nameYesWorkout Name
descriptionNoWorkout steps/description text. MUST follow Intervals.icu builder syntax. For repeating steps (e.g. 5x), insert an empty line before and after the block (e.g. '\n\n5x\n- 3m Z5\n- 3m Z1\n\n'). Use \n for new lines.
folder_idNoFolder ID to place the workout in
typeNoSport type (Ride, Run, etc.)
indoorNo
Behavior1/5

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

No annotations provided; the description does not disclose any behavioral traits such as side effects, permissions, or constraints. It merely states the action without elaboration.

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

Conciseness4/5

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

The description is very concise at one sentence with no extraneous content, but it lacks structure or additional context that could be included without sacrificing conciseness.

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

Completeness2/5

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

With 5 parameters, no output schema, and no annotations, the description is too minimal to provide complete context about the tool's usage, such as what 'library' refers to or how the workout is created.

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 description coverage is 80%, so baseline is 3. The description adds no parameter information beyond the schema; the 'indoor' field lacks description and the description does not compensate.

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 'Create' and the resource 'workout' in the library, distinguishing it from sibling tools like create_event.

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 on when to use this tool versus alternatives such as 'create_event' or 'update_event'. No context on prerequisites or when not to use.

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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