Music Theory Engine Connector for AI agents.
3 live capabilities
Calculate precise chord structures and musical notation
Waiting for input…
Why people use Music Theory Engine
Stop music theory hallucinations with Music Theory Chord Engine
This MCP changes that by moving the heavy lifting from the AI's probabilistic brain to a deterministic engine. Instead of hoping the agent gets the scale right, you get a capability that verifies every note and frequency against actual musical laws.
What Vinkius changes
Your agent stops guessing music theory and starts calculating it.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
Fixing broken notation
A composer asks their agent to check a chord progression, and the agent uses validate_enharmonics to catch a misplaced sharp that breaks the key's rules.
- Real-world use case 02
Synthesizer programming
A developer needs the exact frequencies for a complex jazz voicing and uses analyze_chord_structure to get the precise Hz values for their software.
- Real-world use case 03
Harmonic analysis
A student wants to know how a specific chord functions in a piece, and the agent uses get_roman_numeral to identify it as a secondary dominant.
Complete set · 3capabilities
The complete Music Theory Engine capability set.
These are the exact actions your AI can choose when you ask it to work with Music Theory Engine.
01—03
3 capabilities in this set.
Part of 3 available through Music Theory Engine.
- 01 Capability
Analyze chord structure
Calculates the specific notes, intervals, and frequencies for a chord. It provides the exact mathematical makeup of any musical harmony.
- 02 Capability
Get roman numeral
Determines the functional role of a chord within a scale. This helps identify how a chord moves within a specific key.
- 03 Capability
Validate enharmonics
Checks if note spellings are musically legal in a scale. It prevents errors where notes are technically correct but written wrong for the key.
Set up in minutes
One URL. Then ask Music Theory Engine to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Music Theory Engine from the conversation.
Choose your client
Live previewAdvanced clients IDE · CLI
Claude · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp - Step 01
Open Connectors
In Claude Web or Claude Desktop, open Settings and choose Connectors.
- Step 02
Add the URL
Choose Add custom connector, name it Music Theory Engine, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Music Theory Engine for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp - Step 01
Open MCP settings
On desktop, open Settings and MCP servers. On web, open your workspace app or connector settings.
- Step 02
Add the URL
Choose Add server with Streamable HTTP, or create a custom MCP app, then paste the Music Theory Engine URL.
- Step 03
Save and start
Save the connection and enable Music Theory Engine in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"music-theory-chord-engine": {
"url": "https://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp"
}
}
}- Step 01
Open MCP Settings
Press Cmd+Shift+P (macOS) or Ctrl+Shift+P (Windows/Linux) → search "MCP Settings"
- Step 02
Add the server config
Paste the JSON configuration above into the mcp.json file that opens
- Step 03
Save the file
Cursor will automatically detect the new Connector
- Step 04
Start using Music Theory Engine
Open Agent mode in chat and ask: "Using Music Theory Engine, help me...". 3 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"music-theory-chord-engine": {
"url": "https://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp"
}
}
}- Step 01
Create MCP config
Create a .vscode/mcp.json file in your project root
- Step 02
Add the server config
Paste the JSON configuration above
- Step 03
Enable Agent mode
Open GitHub Copilot Chat and switch to Agent mode using the dropdown
- Step 04
Start using Music Theory Engine
Ask Copilot: "Using Music Theory Engine, help me...". 3 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"music-theory-chord-engine": {
"url": "https://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp"
}
}
}- Step 01
Open MCP Settings
Go to Settings → MCP Configuration or press Cmd+Shift+P and search "MCP"
- Step 02
Add the server
Paste the JSON configuration above into mcp_config.json
- Step 03
Save and reload
Windsurf will detect the new server automatically
- Step 04
Start using Music Theory Engine
Open Cascade and ask: "Using Music Theory Engine, help me...". 3 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"music-theory-chord-engine": {
"url": "https://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp"
}
}
}- Step 01
Open Cline MCP Settings
Click the Connectors icon in the Cline sidebar panel
- Step 02
Add remote server
Click "Add Connector" and paste the configuration above
- Step 03
Enable the server
Toggle the server switch to ON
- Step 04
Start using Music Theory Engine
Ask Cline: "Using Music Theory Engine, help me...". 3 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add music-theory-chord-engine --transport http "https://edge.vinkius.com/vk_preview_xiFG1I5H3kQGSq2ckVEaW7iIEHVCSUxxlxIBuqM3/mcp"- Step 01
Install Claude Code
Run npm install -g @anthropic-ai/claude-code if not already installed
- Step 02
Add the Connector
Run the command above in your terminal
- Step 03
Verify the connection
Run claude mcp to list connected servers, or type /mcp inside a session
- Step 04
Start using Music Theory Engine
Ask Claude: "Using Music Theory Engine, show me...". 3 tools are ready
Where the request belongs
Work Music Theory Engine can move forward.
This is for anyone building or using AI to handle technical musical tasks where accuracy in notation and theory is non-negotiable.
Music Technologist
Building generative music capabilities that require mathematically perfect pitch and interval data.
Composer
Using an AI agent to help draft complex harmonies or check the functional roles of chords in a score.
Music Educator
Creating automated exercises or checking student notation for correct enharmonic spelling.
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Store, share, and collaborate on files securely with enterprise-grade cloud content management and governance controls.
Bring your own AI
Change the model, client or framework. Keep Music Theory Engine connected.
-
Claude -
ChatGPT -
Gemini -
Cursor -
VS Code -
Windsurf -
ZCode -
Cline -
Zed -
Continue -
Kiro -
Roo Code -
Zencoder -
Goose -
Void -
Augment Code -
Amp -
Qodo -
Tabnine -
Pieces -
Sourcegraph Cody -
JetBrains -
Warp -
Amazon Q -
Antigravity -
BoltAI -
Raycast -
Jan -
LM Studio -
AnythingLLM -
Open WebUI -
Msty -
Cherry Studio -
LibreChat -
TypingMind -
Chorus -
5ire -
n8n -
LangChain -
LlamaIndex -
CrewAI -
Vercel AI SDK
Before you connect
Questions about Music Theory Engine.
The practical details behind the request, access and result.
How can I use the Music Theory Chord Engine MCP to fix my sheet music?
You can use it to check if your note spellings are correct for a specific key, ensuring your notation follows standard musical rules.
Can this Music Theory Chord Engine MCP help with digital music production?
Yes, it provides exact frequencies for any chord, which is perfect for programming synthesizers or tuning digital instruments.
Will the Music Theory Chord Engine MCP make my AI agent better at songwriting?
It makes your agent technically accurate. It won't suggest 'wrong' chords that violate the rules of the key you are working in.
Does the Music Theory Chord Engine MCP handle complex jazz chords?
Yes, it can calculate the specific notes and intervals for any chord structure you provide.
How does the Music Theory Chord Engine MCP identify chord functions?
It calculates the Roman numeral role of a chord based on the specific scale you define, helping you understand harmonic movement.
How does the engine handle enharmonic spelling?
The engine uses the provided scale context to determine the correct spelling. For example, it will enforce 'F' instead of 'E#' in a C Major context to maintain musical logic.
What frequency standard is used?
All frequencies are calculated using 12-tone equal temperament (12-TET) with the standard tuning of A4 = 440Hz.
Can I use this for Roman Numeral analysis?
Yes, you can use the get_roman_numeral capability to find the functional role and scale degree of any chord within a specific scale.
One connection away
Give your agent a direct line to Music Theory Engine.
Connect Music Theory Engine once. Keep it beside 6,100+ managed Connectors when the next task needs more.
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