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mcp_opendaw_create_edm_arrangement

Arrange a festival-style EDM track with 4-on-the-floor drums, offbeat bass, supersaw chord stabs, and a lead melody in F minor at 128 BPM using the vi-IV-I-V progression.

Instructions

Create a full EDM arrangement — festival/mainstage 4-on-floor + supersaw + pluck + lead.

Electronic Dance Music — festival/mainstage sound:

  • Track 0: Drums — 4-on-the-floor kick (every beat), claps on 2+4, open hats on offbeats, 16th closed hats for energy. Riser/snare buildup at end of 8-bar phrases.

  • Track 1: Bass — offbeat bass (root on the "and" of each beat). Sub-bass frequency, driving, syncopated.

  • Track 2: Supersaw synth — wide chord stabs on beats 1 and 3. Root position triads with spread voicings. The "wall of sound" — mainstage synth.

  • Track 3: Lead synth — melody using scale degrees. Arpeggiated pattern with rhythmic repetition. The "hook".

F minor default — the most common EDM key (nice for both male and female vocals, sits well in club systems). 128 BPM (house/EDM standard). vi-IV-I-V progression (Fm-Db-Ab-Eb) — the "pop punk" progression that drives most festival anthems.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
bpmNo
barsNo
rootNoF
octaveNo
velocityNo
bass_trackNo
drum_trackNo
lead_trackNo
start_beatNo
unit_indexNo
synth_trackNo

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 disclose behavioral traits. It details the output musical content but fails to explain side effects (e.g., whether it creates new tracks, modifies existing project, or requirements). This leaves ambiguity about tool invocation consequences.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is front-loaded with the core purpose but includes verbose musical details (exact track specifications, chord progression theory). While detailed, it could be more concise without losing essential guidance.

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 (11 parameters, 0 required, no schema descriptions), the description is incomplete. It does not explain how parameters map to output, what the output schema contains, or whether the arrangement is additive or destructive. Agents lack sufficient context to use the tool effectively.

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 add parameter meaning. It only mentions defaults (128 BPM, F minor) but does not explain how other parameters (bars, octave, velocity, etc.) affect the arrangement. Agents cannot infer parameter impact without additional context.

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 it creates a full EDM festival/mainstage arrangement with specific elements (4-on-floor, supersaw, pluck, lead). The verb 'Create' and resource 'EDM arrangement' are precise, and it distinguishes from sibling genre-specific arrangement tools.

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

Usage Guidelines3/5

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

The description implies usage for EDM arrangement creation but does not explicitly state when to use this tool versus alternatives (e.g., other genre arrangement tools). No exclusion criteria or when-not-to-use advice is provided.

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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