Vinkius
Chord Substitution Finder

Chord Substitution Finder MCP for AI. Analyze Harmony and Build Better Music

Claude Claude
ChatGPT ChatGPT
Cursor Cursor
Gemini Gemini
Windsurf Windsurf
VS Code VS Code
JetBrains JetBrains
Vercel Vercel
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Works with every AI agent you already use

…and any MCP-compatible client

Chord Substitution Finder MCP on Cursor AI Code EditorChord Substitution Finder MCP on Claude Desktop AppChord Substitution Finder MCP on OpenAI Agents SDKChord Substitution Finder MCP on Visual Studio CodeChord Substitution Finder MCP on GitHub Copilot AI AgentChord Substitution Finder MCP on Google Gemini AIChord Substitution Finder MCP on Lovable AI DevelopmentChord Substitution Finder MCP on Mistral AI AgentsChord Substitution Finder MCP on Amazon AWS Bedrock

How this MCP server connects to your AI agent

Chord Substitution Finder instantly identifies harmonic alternatives and deep-dives into musical tension within any chord progression. Use this MCP to explore Tritone, Diatonic, Relative, Parallel, and Chromatic Mediant substitutions for single chords or full sequences.

You'll analyze exactly how each theoretical change affects the harmony and overall emotional movement of your music.

What AI agents can do with Chord Substitution Finder Automation

Analyze progression tension

Analyzes a full string of chords to measure how the harmonic tension builds and releases across the sequence.

Get substitution detail

Provides an in-depth definition and explanation for any specific chord substitution type you ask about.

Find substitutions

Identifies all available harmonic replacements for a single starting chord, covering several theoretical methods.

Explore alternate chords

It finds multiple chord substitutions for any single chord you provide.

Map harmonic tension

You can analyze a full sequence of chords to see exactly where the musical tension peaks and dips.

Understand theory terms

Get detailed breakdowns, like defining what a Tritone substitution actually is in practice.

Included with Plan

Waiting for input…

AI Agent

What AI agents can do with Chord Substitution Finder: 3 Tools

These tools let you explore every facet of musical harmony. You can analyze how chords interact over time, find specific alternatives for single notes, or get deep definitions on complex theory.

Make your AI actually useful.

Add this MCP to Claude, Cursor, or Windsurf and your AI stops guessing. It gets real tools to look things up, take action, and handle the stuff you keep doing by hand.

Start using Chord Substitution Finder on Vinkius

Analyze Progression Tension

Analyzes a full string of chords to measure how the harmonic tension builds and releases across the sequence.

Get Substitution Detail

Provides an in-depth definition and explanation for any specific chord substitution...

Find Substitutions

Identifies all available harmonic replacements for a single starting chord, covering...

Security and governance baked right in.

Pick your AI client below to get set up. Just create a Vinkius account, subscribe, and you're instantly up and running. We handle the entire backend infrastructure, delivering out-of-the-box support for HTTPS Streamable, SSE, and OAuth2—zero messy routing required.

Claude AI

Claude AI

1

Open Claude Settings

Go to claude.ai, click your profile icon, then navigate to Customize → Connectors.

2

Add Custom Connector

Click the "+" button and select Add custom connector. Paste your Vinkius endpoint URL:

https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp

Replace [YOUR_TOKEN_HERE] with your token from cloud.vinkius.com. For OAuth-protected servers, expand Advanced settings to add credentials.

3

Start a conversation

Open a new chat. The Chord Substitution Finder integration is available immediately — no restart needed.

Choose How to Get Started

Build a custom MCP for your own tools, or connect a ready-made integration from our catalog.

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Start building

Make Your AI Do More

Start with Chord Substitution Finder, then connect any of our 5,100+ other servers whenever your AI needs more. One click, no limits.

  • Use this MCP plus 5,100+ others, all in one place
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Chord Substitution Finder MCP server cover

Independent Platform Disclaimer: Vinkius is an independent platform and is not affiliated with, endorsed by, sponsored by, verified by, or otherwise authorized by Chord Substitution Finder. All third-party trademarks, logos, and brand names are the property of their respective owners. Their use on this website is strictly for informational purposes to identify service compatibility and interoperability.

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Built on the Model Context Protocol (MCP) for Claude, ChatGPT, Cursor, and more

The Model Context Protocol standardizes how applications expose capabilities to LLMs. Instead of operating in isolation, your AI gains direct access to external platforms, live data, and real-world actions through secure, standardized connections.

This connection provides 3 powerful capabilities that interface natively with Claude, ChatGPT, Cursor, and other compatible AI platforms. No middleware. No custom integration required.

The Problem with Writing Harmony by Hand, Solved with Vinkius AI Gateway

Right now, when a progression feels weak, composers usually resort to opening multiple tabs: Google Scholar for definitions, dedicated music theory websites for patterns, and old textbooks for historical examples. You spend minutes copying chords into different analysis tools just to find out if the harmonic movement is actually building or falling flat.

With this MCP, you feed your agent the core progression once. It runs all that analysis—the substitutions, the tension mapping, the theoretical definitions—in one shot. You get a single report telling you exactly where and how to inject new life into your music.

Find Chord Substitutions for Instant Musical Authority

You no longer have to memorize the differences between Diatonic, Parallel, or Chromatic Mediant substitutions. You just run find_substitutions and see concrete examples of how each one changes the feel and function of your original chord.

The result is that you move past simply knowing theory; you start *using* it. Your music sounds richer because you're basing decisions on actual harmonic principles, not just gut feeling.

What your AI can actually do with this

When you’re writing a piece, sometimes the chord progression feels stuck. This MCP acts like an instant theory textbook that knows when to suggest a better way forward. Instead of flipping through books or remembering complex rules, you feed it your chords, and it shows you dozens of viable substitutions.

You can explore every type of harmonic change—from simple relative swaps to highly dramatic chromatic movements. It doesn't just give names; it analyzes the tension arc of the whole progression, telling you if the movement is building too fast or dragging in the wrong spot. Because Vinkius hosts this MCP, your agent gets access to a massive catalog of tools, making sure that when you need musical insight, you find it instantly.

Built · Hosted · Managed by Vinkius Chord Substitution Finder - Analyze Harmony & Theory
Server ID 019ecb72-c034-73b0-a840-a5fbb141e747
Vinkius Inspector
Compliance Grade A+
Score 100/100
Vinkius Inspector Badge — Score 100/100

Questions you might have

How does the Chord Substitution Finder MCP work with jazz chords? +

It handles complex extensions and alterations common in jazz. You can input specific voicings like Cmaj13 or G7alt, and it will find relevant substitutions that fit those advanced harmonic structures.

Does this MCP only work for major keys? +

No, the engine supports all key signatures. You can analyze minor, modal, or even mixed-mode progressions, finding appropriate substitutes across the entire chromatic spectrum.

Can I use find_substitutions to fix a bad section of music? +

Yes. Identify the chord that feels wrong in your piece and run find_substitutions on it. The resulting alternatives provide immediate, theoretically sound replacements you can test out.

What is the difference between analyze_progression_tension and find_substitutions? +

analyze_progression_tension looks at your chords to grade the overall emotional movement (the arc). find_substitutions focuses only on giving you alternatives for one specific chord.

Is this MCP useful for film scoring? +

Absolutely. Film scores often rely heavily on harmonic shifts to signal a plot change or increase drama; this MCP gives you the theoretical tools to execute those dramatic chord changes effectively.

Built & Managed by Vinkius 30s setup 3 tools

We've already built the connector for Chord Substitution Finder. Just plug in your AI agents and start using Vinkius.

No hosting. No infrastructure. No complex setup.
All 3 tools are live and waiting. You're up and running in seconds.

Vinkius runs on Claude Claude
Vinkius runs on ChatGPT ChatGPT
Vinkius runs on Cursor Cursor
Vinkius runs on Gemini Gemini
Vinkius runs on Windsurf Windsurf
Vinkius runs on VS Code VS Code
Vinkius runs on JetBrains JetBrains
Vinkius runs on Vercel Vercel
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