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AbletonMCP

AbletonMCP

by juampicosta
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
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get_drum_pad

Retrieve details of a drum pad in Ableton Live by specifying the track, device, and MIDI note number (e.g., 36 for kick).

Instructions

Get details of a drum pad by MIDI note number (e.g. 36=kick, 38=snare, 42=hihat).

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": {
      "track_index": "<track_index>",
      "device_index": "<device_index>",
      "note": "<note>"
    },
    "name": "get_drum_pad"
  }
}

Input Schema

NameRequiredDescriptionDefault
track_indexYes
device_indexYes
noteYes

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.4/5.0
Behavior2/5

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

With no annotations, the description carries the full burden for behavioral transparency. It only says 'Get details' without clarifying that the operation is read-only, has no side effects, or what exactly the returned details contain (though an output schema exists, the description itself adds no behavioral context).

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 concise sentence with an embedded example, containing no filler words. Every element serves a purpose, making it easy to parse quickly.

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 tool has three required parameters and an output schema, the description is incomplete. It lacks context for 'track_index' and 'device_index' (e.g., how they relate to identifying a drum rack), and does not mention the output structure. Users may need to infer too much from the parameter names alone.

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

Parameters3/5

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

Schema coverage is 0%, so the description must compensate. It adds value for the 'note' parameter by explaining it's a MIDI note number with examples, but it fails to explain 'track_index' and 'device_index', leaving their purpose to inference. This partial but helpful explanation earns a mid-range score.

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 returns details of a drum pad using a MIDI note number, with illustrative examples (36=kick). It distinctly specifies the action (Get), the resource (drum pad), and the key identifier (note number), differentiating it from siblings like list_drum_pads or mute_drum_pad.

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 the tool should be used when details of a specific drum pad are needed, but it provides no explicit guidance on when to choose this tool over alternatives (e.g., list_drum_pads for overview), nor does it mention prerequisites or exclusions.

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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