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create_clip

Create a new MIDI clip in a specified track and slot, setting its length in bars and optionally naming it.

Instructions

Create a new MIDI clip in a slot. length: clip length in bars (e.g. 4.0 = 4 bars).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
track_indexYes
slot_indexYes
lengthNo
nameNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

No annotations are provided, so the description must fully disclose behavioral traits. It only states the creation action and the length parameter. It fails to mention whether an existing clip in the slot is overwritten, default behavior for name, or any side effects. This is insufficient for a create operation.

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 short and to the point, with no extraneous information. The length parameter example is helpful. However, it could be slightly more structured to separate purpose from parameter details.

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 that output schema exists, the description does not need to explain return values. However, the tool has 4 parameters and is a creation operation—significant context like what happens if a clip already exists, required state (e.g., track must be loaded), or constraints on slot_index are missing. The description is incomplete for reliable use.

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 is partially explained ('clip length in bars'). The critical parameters 'track_index' and 'slot_index' are not described, and 'name' is only mentioned as a property without any guidance. The description adds minimal semantic value beyond the schema.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description explicitly states 'Create a new MIDI clip in a slot', which clearly conveys the verb and resource. It also provides an example for the length parameter. However, it does not differentiate from sibling tools like update_clip or delete_clip, but the purpose is unmistakable.

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?

The description offers no guidance on when to use this tool versus alternatives. It does not mention prerequisites, constraints, or situations where this tool is appropriate. Without such context, an AI agent may struggle to decide when to invoke create_clip over other clip-related tools.

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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