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ZipseLu

lmms-mcp

by ZipseLu

list_tracks

Get an overview of all tracks in the current LMMS project, including each track's index, name, and type.

Instructions

List all tracks in the current project with their index, name, and type.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A4.3/5.0
Behavior4/5

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

With no annotations, the description carries the burden of indicating side effects, and the verb 'list' clearly conveys a non-mutating read-only query. It also discloses the scope (current project) and the exact returned data. It does not mention failure behavior when no project is loaded, but the risk is minimal for a no-argument listing tool.

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?

A single front-loaded sentence contains the action, resource, scope, and output fields with no filler. Every word earns its place.

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

Completeness5/5

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

For a zero-parameter, low-complexity query with an output schema, this description is complete. It identifies what is listed, where it is listed from, and what fields are returned, which is all an agent needs to invoke it correctly.

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?

The tool has zero parameters and the schema coverage is 100%, so the schema fully defines the call signature. The description compensates by stating what the response contains, which is useful since no arguments exist.

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 uses a specific verb and resource: 'List all tracks in the current project' and explicitly names the returned fields (index, name, type). This clearly distinguishes it from single-track get_track and mutation tools like add_* and remove_track.

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 usage is implied: an agent would use this when it needs an overview of every track in the current project before targeting a specific track. However, it does not explicitly state when to prefer this over alternatives such as get_track, nor does it mention exclusions.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.