Chord Substitution Finder

Chord Substitution Finder MCP Connector for Claude

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Identify harmonic substitutions and analyze tension in chord progressions.

3 tools Official Updated Jun 28, 2026 Official Vinkius Partner

The Chord Substitution Finder is a music theory engine that identifies various substitution patterns for single chords or entire progressions. Using tools like find_substitutions, analyze_progression_tension, and get_substitution_detail, you can explore Tritone, Relative, Parallel, Diatonic, and Chromatic Mediant substitutions. The engine evaluates how each change affects harmonic tension and voice leading motion, providing a deep analysis of musical movement.

harmonychordsmusicologycompositionjazz-theory

3 tools expose this connector's capabilities to your AI agent.

analyze_progression_tension

Analyze the tension arc of a chord progression

get_substitution_detail

Get detailed information about a specific chord substitution

find_substitutions

Find available chord substitutions for a given chord

See how to talk to your AI agent using Chord Substitution Finder.

Find substitutions for G7.

Running `find_substitutions` for G7... Found Tritone substitution: Db7, which increases tension and creates chromatic movement.

Analyze the tension of [Cmaj7, Am7, Dm7, G7].

Using `analyze_progression_tension`... The progression starts with Low tension (Cmaj7) and moves through Medium tension to a High tension dominant (G7).

What is a Tritone substitution?

According to `get_substitution_detail`, a Tritone substitution replaces a dominant seventh chord with another dominant seventh chord an augmented fourth away.

The engine supports Tritone, Relative, Parallel, Diatonic, and Chromatic Mediant substitutions.

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