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quantize_clip_notes

Quantize MIDI notes in an Ableton Live clip to a selected grid (16th, 8th, quarter) to fix timing and align rhythm.

Instructions

Quantize notes in a clip to a grid.

Parameters:

  • track_index: The index of the track containing the clip

  • clip_index: The index of the clip slot containing the clip

  • grid: Grid size in beats (0.25 = 16th notes, 0.5 = 8th notes, 1.0 = quarter notes)

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
gridNo
clip_indexYes
track_indexYes
Behavior2/5

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

No annotations are present, so the description carries the full responsibility for behavioral disclosure. It does not state whether the operation is destructive, whether it can be undone, or whether it affects note timing only, leaving side effects unclear for a mutating tool.

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 concise, front-loading the core purpose in one sentence and then presenting a clear parameter list. It avoids unnecessary prose, though the parameter list somewhat duplicates schema information.

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?

The tool is a destructive editing operation with no annotations and no output schema, yet the description only covers purpose and parameters. It omits behavioral details like reversibility, potential side effects on other note attributes, and any limitations, so an agent lacks essential context for safe invocation.

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?

With 0% schema description coverage, the description meaningfully compensates by explaining each parameter, especially grid with concrete examples ('0.25 = 16th notes, 0.5 = 8th notes, 1.0 = quarter notes'). However, track_index and clip_index definitions are minimal and largely restate the property names.

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 states a specific action ('Quantize notes in a clip to a grid') and clearly identifies the resource being acted upon. This distinguishes it from sibling tools like transpose_notes or humanize_clip_timing, which perform different note modifications.

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, nor are any prerequisites or exclusions mentioned. The parameter list only explains inputs, not usage context or conditions.

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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