Circle of Fifths Navigator Connector for AI agents.
4 live capabilities
Plan complex modulations and identify tonal relationships for music composition.
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Why people use Circle of Fifths Navigator
Circle of Fifths Navigator: Automate Music Theory for Complex Composition
With this Connector, you just tell your agent where you are and where you want to go. It handles the logic of dominant and subdominant relationships instantly. You get the right key names and distances without ever leaving your workspace.
What Vinkius changes
You get instant, accurate music theory data without manual calculation.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
The Stuck Songwriter
You're in C Major and want a bridge that feels related but fresh.
- Real-world use case 02
The Exam Prep
A student needs to know the modes of Eb Minor.
- Real-world use case 03
The Film Composer
You need a natural modulation from G Major to a key only one step away.
Complete set · 4capabilities
The complete Circle of Fifths Navigator capability set.
These are the exact actions your AI can choose when you ask it to work with Circle of Fifths Navigator.
01—04
4 capabilities in this set.
Part of 4 available through Circle of Fifths Navigator.
- 01 Capability
Calculate modulation paths
Identifies natural modulation paths and the distance between keys. It tells you how far you're moving on the circle.
- 02 Capability
Get key neighbors
Returns the dominant, subdominant, relative major, and relative minor keys. Use this to see who your musical neighbors are.
- 03 Capability
Get key signature details
Provides the accidental order and all available modes for a specific scale. This gives you the full technical picture of a key.
- 04 Capability
Get enharmonic mapping
Shows different ways to write the same key using different notation. This helps you find the most readable version of a scale.
Set up in minutes
One URL. Then ask Circle of Fifths Navigator to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Circle of Fifths Navigator 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_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Circle of Fifths Navigator for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator URL.
- Step 03
Save and start
Save the connection and enable Circle of Fifths Navigator in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"circle-of-fifths-navigator": {
"url": "https://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator
Open Agent mode in chat and ask: "Using Circle of Fifths Navigator, help me...". 4 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"circle-of-fifths-navigator": {
"url": "https://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator
Ask Copilot: "Using Circle of Fifths Navigator, help me...". 4 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"circle-of-fifths-navigator": {
"url": "https://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator
Open Cascade and ask: "Using Circle of Fifths Navigator, help me...". 4 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"circle-of-fifths-navigator": {
"url": "https://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator
Ask Cline: "Using Circle of Fifths Navigator, help me...". 4 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add circle-of-fifths-navigator --transport http "https://edge.vinkius.com/vk_preview_KCFCnYr4ttCwx654AH7OXTV80ozxxJ8LGlbNDd42/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 Circle of Fifths Navigator
Ask Claude: "Using Circle of Fifths Navigator, show me...". 4 tools are ready
Where the request belongs
Work Circle of Fifths Navigator can move forward.
Music theorists, composers, and students who need to move between keys quickly without making mistakes.
Composer
Planning a complex orchestral piece and needing to know the safest modulation paths.
Music Theory Student
Studying key signatures and modes for an exam.
Songwriter
Trying to find a relative key to add variety to a bridge.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse Connectors
Relative & Parallel Key Finder
Instantly discover relative, parallel, and related musical keys based on any input key.
Chord Constructor
Decompose chord notation into notes, inversions, and harmonic roles.
Mode Calculator
Derive and explore the seven musical modes from any major or minor parent scale.
Chord Progression Analyzer
Analyze chord sequences to identify Roman numeral functions, harmonic patterns, and emotional context.
Chord Substitution Finder
Identify harmonic substitutions and analyze tension in chord progressions.
Scale Generator
Generate detailed musical scale reports including intervals, enharmonics, and octave data.
Bring your own AI
Change the model, client or framework. Keep Circle of Fifths Navigator 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 Circle of Fifths Navigator.
The practical details behind the request, access and result.
Can the Circle of Fifths Navigator help me find a new key for my song?
Yes, it identifies the closest musical relatives to any key you provide. This helps you find smooth, natural transitions for your songwriting.
How does the Circle of Fifths Navigator handle different ways to write the same key?
It provides enharmonic mapping, which shows you different ways to write the same notes. This is great for finding the most readable notation.
Can I use the Circle of Fifths Navigator to learn music theory?
Absolutely. It provides technical details on key signatures, modes, and scale relationships, making it a great way to study musicology.
What's the best way to find a modulation path using the Circle of Fifths Navigator?
You can ask your agent to find natural modulation paths based on distance. It will tell you exactly how many steps you're moving on the circle.
Does the Circle of Fifths Navigator work for jazz theory?
Yes, it handles any musical key. You can use it to explore complex relationships and find relative keys for any genre.
How do I find the relative minor of a key with this Connector?
Just ask your agent for the neighbors of a specific key. It will return the relative major and relative minor instantly.
How can I find the closest musical relatives to a specific key?
Use the get_key_neighbors capability by providing the name of your starting key (e.g., 'G Major'). It will return the dominant, subdominant, and relative major/minor keys.
How do I identify natural modulation paths for a song?
Use the calculate_modulation_paths capability. By specifying a starting key and a maximum distance, you can see which keys are reachable with 'Immediate' or 'Adjacent' difficulty levels.
Can this capability help me understand key signatures?
Yes, the get_key_signature_details capability provides the exact order of sharps or flats, the total count of accidentals, and the available modes for any given key.
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