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Clef

Clef v1.0.1

Chords, piano notes & guides

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From the developer

Declared capabilities

  • Read

Cost & access

This plugin provides free read-only music utilities and does not sell products or process payments.

Declared limitations

  • Reject an out-of-range transposition
  • Reject an unsupported chord symbol
  • Do not claim unsupported file or audio processing

Onboarding example

Transpose C Am F G/B up two semitones.
Sources & dates

Developer declarations; not independently tested. Listing last checked Nov 13, 2026. Package observed Nov 12, 2026.

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Description

From the marketplace listing

Use four public, read-only Clef tools to find instructional music guides, transpose chord symbols (including slash chords), spell supported chords as piano pitches with MIDI values, and map standard six-string ASCII guitar tab to sounding piano pitches. Clef does not accept audio or notation-file uploads, parse Guitar Pro files, infer rhythm or note duration from tab spacing, or create rhythmic arrangements.

Language: English · Automatically detected from descriptions.

Changes

No changes recorded yet. Follow this plugin to keep track of future changes.

First seen Nov 10, 2026. Last seen Nov 13, 2026.

Keywords

Files & skills

File archives

Plugin package5 files · 11.6 KBBrowse files →
Skill instructions
clef-music-utilities709 Bytes

View saved version →

---
name: clef-music-utilities
description: Use Clef's public read-only tools for chord transposition, piano chord spelling, standard six-string ASCII tab pitch mapping, and finding music guides.
---

# Clef music utilities

Use the narrowest matching Clef tool. Preserve the user's chord spelling preference when supplied, and report tool validation errors plainly.

Treat `find_music_guides` and MCP resources as instructional material, not file converters. `tab_to_piano_notes` accepts standard six-string ASCII guitar tab only; its columns indicate order, not rhythm or duration. Clef does not receive audio or notation-file uploads, parse Guitar Pro files, infer rhythm, or create rhythmic arrangements.

Release notes

Adds category, reviewer walkthrough video URL, and negative-case explanations. Four public read-only Clef music tools and published guide resources.

Declared in the saved package. Remote tools may change independently.

Package details

Publisher declarations from the archived package. These are separate from our research and the live service's terms.

Package author
Clef
Keywords
See keywords
Commerce declaration
Does not support commerceThis does not establish whether access is free or paid.
Review scenarios
5 positive · 3 negativeScenario counts, not test results.

Declared capabilities

  • Read

Package observed Nov 12, 2026.

Technical details
First seen
Nov 10, 2026 · 00:00 UTC
Last seen
Nov 13, 2026 · 06:00 UTC
Collection status
Collected

plugin_asdk_app_6ac6f6cbd418819195c7f8b043c5ad67

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