Skill Claude Code
Returns the seven notes of a major or minor key plus its key signature and relative key. Calls the deterministic gascalegetnotes MCP tool — never recall an answer from training data.
Skill Claude Code
Transposes a chord by a named musical interval (e.g. Cmaj7 up a perfect fourth = Fmaj7). Calls the deterministic domain.transposeChord closure via the gadsleval MCP tool — never recall transpositions from training data, since LLMs commonly produce wrong enharmonics for less-common keys (Db major vs C# major).
Skill Claude CodeCodex
The chatbot's self-disclosure / capabilities meta-skill. Lists what the chatbot can do — chord/scale lookup, progression analysis, voicing search, transposition, voice leading, etc. — with one-line examples. Pure catalog. Use when a visitor asks 'what can you do' / 'what can the chatbot do' / 'help' / 'how do I use…
Skill Claude CodeCodex
Explains how chords function and resolve in tonal harmony: the dominant seventh and its tendency tones, tritone substitution, secondary dominants, the Neapolitan chord, augmented sixth chords, and the cadence types (authentic, half, Phrygian half, plagal, deceptive). The body is a verified reference that grounds the…
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: