How do I analyze a whole progression?

Use the `analyze_progression_tension` tool by providing a JSON array of chords.

Can I see how voice leading changes?

Yes, the `find_substitutions` tool provides details on the voice leading effect for each substitution.

Chord Substitution Finder MCP Connector for Claude

A+

Identify harmonic substitutions and analyze tension in chord progressions.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

More Details Connect to Claude

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

Connect to Claude

Subscribe on Vinkius, then add this connector to Claude.ai or Claude Code.

① Claude.ai (web app)

Go to Settings → Connectors → Add custom connector
Paste the MCP endpoint URL below

https://edge.vinkius.com/vk_preview_ZAgrIuNaZTebTYCxaLhSjDKlNDByFaDEFkLvSk9u/mcp

② Claude Code (terminal)

claude mcp add --transport http chord-substitution-finder https://edge.vinkius.com/vk_preview_ZAgrIuNaZTebTYCxaLhSjDKlNDByFaDEFkLvSk9u/mcp

③ Claude Desktop

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "chord-substitution-finder": {
      "url": "https://edge.vinkius.com/vk_preview_ZAgrIuNaZTebTYCxaLhSjDKlNDByFaDEFkLvSk9u/mcp"
    }
  }
}

Get full access on Vinkius

The preview token above works for testing. Powered by Vinkius.

Details

Tools: 3
Grade: A+
Score: 100/100
Updated: Oct 1, 2026

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