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create_clip

Creates an empty MIDI clip in a specified track and clip slot, with adjustable length in beats. Use it to add new clips for recording or arranging notes.

Instructions

Create an empty MIDI clip in a clip slot. Length is in beats.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
track_indexYes
clip_indexYes
lengthNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations, the description must fully convey behavioral traits. It states the action (create empty MIDI clip) and the length unit, but omits critical details such as whether existing clips at the same slot are overwritten, any permission requirements, or side effects (e.g., undo history impact).

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 (two sentences) and front-loads the core action. It avoids unnecessary words, but could potentially add more structure for clarity (e.g., listing parameters explicitly).

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 the complexity of DAW operations, the description is incomplete. It does not specify whether the clip is created in session or arrangement view, nor does it address constraints like slot availability or interaction with other tools (e.g., 'add_notes_to_clip'). An output schema exists but does not excuse the lack of essential context.

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

Parameters2/5

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

Schema description coverage is 0%, so the description must compensate. Only the 'length' parameter receives unit context ('beats'). The required 'track_index' and 'clip_index' parameters lack any explanation of valid ranges or how to obtain them, leaving the agent with minimal guidance.

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', the resource 'empty MIDI clip', and the location 'clip slot'. It distinguishes from sibling tools like 'create_arrangement_clip' which targets arrangement view, and 'add_notes_to_clip' which modifies an existing clip.

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. For example, it does not clarify whether this operates in session or arrangement view, nor does it mention any prerequisites or context for selecting track/clip indices.

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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