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OpenUtau MCP

OpenUtau MCP

by Tehcnological
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Local

ticks_to_beats

Convert tick values to quarter-note beats to read OpenUtau timing data and align musical events.

Instructions

Ticks to quarter-note beats. / ティックを拍数に変換します。

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": {
      "ticks": "<ticks>"
    },
    "name": "ticks_to_beats"
  }
}

Input Schema

NameRequiredDescriptionDefault
ticksYes

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.6/5.0
Behavior2/5

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

No annotations are supplied, so the description carries the full disclosure burden, yet it says nothing about rounding behavior for non-integer results, what tick resolution is assumed, or what happens with negative or zero ticks. For a pure arithmetic conversion these may be minor, but a caller cannot tell whether the result is exact or truncated.

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?

Extremely short and front-loaded, with zero filler. The bilingual duplication is redundant for most agents but is a deliberate locale choice rather than padding.

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?

An output schema exists, so return values need not be explained, and the operation is simple enough that the current text covers the gist. Still missing is the conversion basis (tick resolution) and rounding behavior, which an agent would need to interpret the returned number correctly.

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

Parameters2/5

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

Schema coverage is 0% and the single required parameter 'ticks' is undocumented in both schema and description. The description does not state the tick unit or resolution (e.g. ticks per quarter note) that makes the conversion well-defined, which is the one piece of parameter meaning that matters 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 does expand the name into a stated conversion direction ('Ticks to quarter-note beats'), and the added 'quarter-note' detail is useful since 'beats' alone is ambiguous. However, it is essentially the tool name restated and gives no differentiation from the inverse sibling beats_to_ticks, leaving the agent to infer direction from the name alone.

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 use this versus beats_to_ticks or why a caller would need ticks converted at all. The direction is implied by the phrasing, but no context, preconditions, or alternatives are stated.

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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