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LofiFren

ableton-mcp-lofifren

by LofiFren

load_drum_kit

Load a drum rack onto a specified track and populate it with a chosen drum kit from the browser.

Instructions

Load a drum rack and then load a specific drum kit into it.

Parameters:

  • track_index: The index of the track to load on

  • rack_uri: The URI of the drum rack to load (e.g., 'Drums/Drum Rack')

  • kit_path: Path to the drum kit inside the browser (e.g., 'drums/acoustic/kit1')

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
track_indexYes
rack_uriYes
kit_pathYes
Behavior2/5

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

With no annotations, the description only mentions the two actions but lacks details on side effects, permissions, error handling, or what happens if the rack already exists or kit is missing. Minimal behavioral disclosure.

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 concise with two clear parts: a purpose sentence and a parameter list. No unnecessary text, though parameter descriptions could be integrated into a more flowing structure.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given three required parameters and no output schema, the description covers the basic purpose and parameter meanings. However, it omits behavioral context, output expectations, and usage conditions, leaving gaps for an agent.

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 adds some meaning by providing brief explanations and examples for each parameter (e.g., 'Drums/Drum Rack' for rack_uri). However, it lacks details on formats, constraints, or defaults.

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 clearly states it loads a drum rack and then a drum kit, specifying the action and resources. While it distinguishes from siblings by its specific combination, it does not explicitly contrast with similar tools.

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 is provided on when to use this tool versus alternatives, prerequisites, or conditions for use. The agent receives no help in deciding between this and sibling 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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