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jterrats
by jterrats

ableton_apply_groove

Apply a specified swing amount to MIDI note start times in a clip, adjusting timing feel based on grid resolution and swing intensity.

Instructions

Apply a measurable swing groove to MIDI note start times in an existing editable clip.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
gridNoTiming grid.
swingNo
amountYes
trackIndexYes
clipSlotIndexYes
Behavior2/5

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

No annotations provided, so description must disclose all behavioral traits. Only states the basic effect ('apply swing groove') without mentioning if the operation is destructive, reversible, or requires any special permissions. Lacks detail on side effects or limitations.

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?

Single sentence, no unnecessary words. However, lacks structure and could be more informative while remaining concise. Still, earns a high score for brevity.

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?

Given 5 parameters, no output schema, and no annotations, the description is too sparse to provide complete context. Does not explain interaction between parameters, return behavior, or prerequisites. A more detailed description is warranted.

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

Parameters1/5

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

Schema coverage is only 20% (only 'grid' has a description). The description adds no explanation for any of the 5 parameters. Agent cannot infer semantics beyond parameter names and types.

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 action ('apply a measurable swing groove') and the target resource ('MIDI note start times in an existing editable clip'). It distinguishes the tool from siblings like ableton_quantize_clip or ableton_humanize_clip by specifying 'swing groove'.

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 (e.g., quantize, humanize). No prerequisites or constraints mentioned (e.g., clip must be MIDI, editable, etc.). Agent must infer usage from the default.

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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