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MuseScore MCP Server

MuseScore MCP Server

by ghchen99
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

Connect To Musescore

connect_to_musescore

Establishes a WebSocket connection to MuseScore's API, enabling AI assistants to programmatically compose music, add lyrics, and control scores directly.

Instructions

Connect to the MuseScore WebSocket API.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "connect_to_musescore"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.8/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure and provides almost none. It does not state whether the call is idempotent, what happens if a connection already exists, whether it blocks or times out, what errors it can raise, or what a successful response looks like.

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?

A single short sentence with no filler and the key noun front-loaded. It is efficient, though its brevity reflects under-specification rather than disciplined editing.

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?

For a connection-establishing tool in a suite of score-editing tools, the description omits the critical context: whether it is required before other calls, connection lifetime, and failure modes. With no annotations and no output schema, the description needed to do far more work than one sentence.

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 takes zero parameters, so there is no parameter semantics to explain and the baseline of 4 applies. The description neither helps nor hurts here.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description gives a specific verb and resource ('Connect to the MuseScore WebSocket API'), so the basic action is identifiable. However, it does not distinguish this from the sibling ping_musescore, nor does it say whether this establishes a session, opens a persistent channel, or returns a handle. The purpose is stated but thin on what 'connect' concretely means here.

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?

There is no guidance on when to call this tool, whether it must precede the many score-editing siblings, or how it relates to ping_musescore. The agent must infer that a connection is a prerequisite for other operations; nothing in the text confirms or denies that.

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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