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waveform-MCP

waveform-MCP

by jarmstrong158
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Python
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compose_djent_track

Compose a progressive metal/djent instrumental in B minor with a set structure (intro, riffs, breakdown, buildup, solo, outro) and tracks for drums, bass, dual guitars, lead, and pad, using adjustable seed and tempo.

Instructions

Generate a progressive metal / djent instrumental in B minor. Form: intro → riffA → riffB → breakdown → riffA2 → buildup → solo (8 bars) → riffFinal → outro. Tracks: drums (polyrhythmic 3-3-2 kicks), bass, dual rhythm guitars panned hard L/R for the wall, lead solo over solo section, atmospheric pad. ~140 seconds at 110 BPM.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "out_path": "<out_path>"
    },
    "name": "compose_djent_track"
  }
}

Input Schema

NameRequiredDescriptionDefault
seedNo
tempoNo
out_pathYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

B3.3/5.0
Behavior3/5

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

With no annotations, the description provides some transparency about the musical output (form, tracks, tempo) but does not disclose side effects, such as whether it creates a new track, overwrites existing content, or renders to a file. The behavior beyond generating musical ideas remains implicit.

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?

The description is a single, well-structured sentence that efficiently conveys genre, key, form, track list, and tempo. It avoids fluff and presents information in a compact, readable manner.

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 lack of schema descriptions and annotations, the description is incomplete. It details the musical content but omits crucial operational context: parameter meanings, output format, destination (out_path), and any session impact. The agent cannot fully understand the tool's behavior from this description alone.

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

Parameters1/5

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

The description does not explain any of the three parameters (seed, tempo, out_path). It mentions 110 BPM but does not link it to the tempo parameter. The purposes of seed and out_path are entirely unaddressed, leaving parameter semantics undefined.

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 tool generates a progressive metal/djent instrumental in B minor, with a specific form and track list. It is distinct from sibling composition tools by specifying genre, key, form, and arrangement details.

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 djent composition but does not explicitly differentiate from alternatives like compose_djent_real or other genre-specific composers. No direct when-to-use vs. when-not-to-use guidance 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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