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RichieMiller-HU

Ableton MCP Extended

create_audio_clip

Import an audio file to create a new clip in an audio track's clip slot. Specify track index, clip index, and file path.

Instructions

Create a new audio clip in an audio track's clip slot by importing a file.

Requires Ableton Live 12.0.5 or newer — the underlying ClipSlot.create_audio_clip Live API was introduced in 12.0.5 and is not available in earlier 12.0.x releases.

Parameters:

  • track_index: The index of the audio track to create the clip in

  • clip_index: The index of the clip slot to create the clip in

  • path: Absolute path to a supported audio file (e.g. a .wav). The target track must be an audio track and the clip slot must be empty.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
pathYes
clip_indexYes
track_indexYes

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

With no annotations, the description carries full burden. It discloses version dependency and slot emptiness but omits error handling (e.g., file not found, slot occupied) and side effects (e.g., file loading). Adequate but not thorough.

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?

Description is concise: one-sentence summary, version requirement, then parameter list. No fluff, well-structured, and front-loaded.

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?

Covers purpose, preconditions, version, and parameters. Output schema exists but not detailed. Missing error behavior and return value description. Fairly complete for a 3-param tool.

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 0%, so description compensates with clear parameter explanations (track_index, clip_index, path) and additional constraints (audio track, empty slot). However, supported file types are only exemplified (e.g., .wav) without full list.

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 'create a new audio clip in an audio track's clip slot by importing a file,' specifying the verb, resource, and action. It distinguishes from siblings like 'create_clip' (likely for MIDI) and 'bounce_midi_clip_to_audio'.

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

Usage Guidelines4/5

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

Provides specific version requirement (Ableton Live 12.0.5+) and preconditions (audio track, empty slot). However, it does not explicitly guide when to use this tool vs. alternatives like 'create_clip' or 'bounce_midi_clip_to_audio'.

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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