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mcp_opendaw_duplicate_note_event

Duplicate a note event within the same region, optionally offsetting its position or pitch. Quickly create variations in MIDI sequences without manual editing.

Instructions

Duplicate a note event within the same region with optional position/pitch offset.

Copies the note's position, duration, pitch, velocity, cent, chance, playCount. Can transpose and shift the copy relative to the original.

unit_index/track_index/region_index: Region coordinates. note_index: Note index within the region. position_offset: PPQN offset from original position (default 0 = same position). pitch_offset: Semitone offset from original pitch (default 0 = same pitch).

Returns the new note's position, pitch, and duration.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
note_indexYes
unit_indexYes
track_indexYes
pitch_offsetNo
region_indexYes
position_offsetNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior3/5

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

No annotations provided. Description discloses that it copies various note properties and can offset position/pitch, and returns new note data. However, it does not mention side effects, authorization needs, or error conditions (e.g., invalid note_index).

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?

Description is concise and well-structured: purpose, copied properties, parameter explanations, return value. Each sentence adds value with no redundancy.

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?

Given 6 parameters and an output schema, description covers all parameters and specifies return fields. It explains the core operation and offsets but lacks details on error handling or edge cases.

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%, but description adds meaning for all 6 parameters: explains unit/track/region coordinates, note index, and defaults for offsets. Provides units (PPQN, semitones) and context beyond schema titles.

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?

Description clearly states the tool duplicates a note event within the same region with optional offsets. It lists copied properties, distinguishing from generic duplicate tools. However, it does not explicitly differentiate from sibling tools like duplicate_notes.

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 such as duplicate_notes or create_note. The description implies duplication within a region but does not state when-not-to-use or prerequisites.

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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