Relative & Parallel Key Finder Connector for AI agents.
3 live capabilities
Map out musical key relationships and modulation paths instantly.
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Why people use Relative & Parallel Key Finder
Relative & Parallel Key Finder Music Theory for Composers
This Connector puts that knowledge directly into your AI client. You can stay inside your workspace and just ask for the facts. You get immediate answers on key relationships and signatures, so you can keep your momentum going.
What Vinkius changes
You get instant, accurate music theory data without leaving your workspace.
Use it from Claude, ChatGPT, Cursor or another AI client you already have.
One account · 6,100+ Connectors
- Real-world use case 01
Finding fresh harmonic directions
A songwriter is stuck on a bridge and asks the agent for a key at a third-distance interval from the current key to find a new direction.
- Real-world use case 02
Verifying key signatures for study
A music student is confused about signatures and asks for the signature details of Db Major to confirm how many flats it has.
- Real-world use case 03
Planning large-scale modulations
A composer is planning a long piece and asks the agent to pull up the modulation guide to see all possible key signatures in one view.
Complete set · 3capabilities
The complete Relative & Parallel Key Finder capability set.
These are the exact actions your AI can choose when you ask it to work with Relative & Parallel Key Finder.
01—03
3 capabilities in this set.
Part of 3 available through Relative & Parallel Key Finder.
- 01 Capability
Get signature details
See the exact count of sharps or flats and the mode for a specific key signature. This provides the technical details of any key.
- 02 Capability
Lookup modulation guide
Pull up a complete reference table of all key signatures for planning your music's harmonic flow. It's a great way to see all your options at once.
- 03 Capability
Find key relationships
Get a full list of relative, parallel, antiparallel, homonymous, and third-distance keys for any given key. This helps you understand how keys connect to each other.
Set up in minutes
One URL. Then ask Relative & Parallel Key Finder to work.
Claude and ChatGPT only need the Connector URL. Copy it once, add it in settings, and use Relative & Parallel Key Finder 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_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder, and paste the URL above.
- Step 03
Turn it on in chat
Select +, open Connectors, and enable Relative & Parallel Key Finder for the conversation.
ChatGPT · Web + desktop
Connector URL · ready to paste
Streamable HTTPhttps://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder URL.
- Step 03
Save and start
Save the connection and enable Relative & Parallel Key Finder in your conversation. Desktop may ask you to restart once.
Cursor · IDE configuration
Advanced setup
{
"mcpServers": {
"relative-parallel-key-finder": {
"url": "https://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder
Open Agent mode in chat and ask: "Using Relative & Parallel Key Finder, help me...". 3 tools available
VS Code Copilot · IDE configuration
Advanced setup
{
"mcpServers": {
"relative-parallel-key-finder": {
"url": "https://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder
Ask Copilot: "Using Relative & Parallel Key Finder, help me...". 3 tools available
Windsurf · IDE configuration
Advanced setup
{
"mcpServers": {
"relative-parallel-key-finder": {
"url": "https://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder
Open Cascade and ask: "Using Relative & Parallel Key Finder, help me...". 3 tools available
Cline · IDE configuration
Advanced setup
{
"mcpServers": {
"relative-parallel-key-finder": {
"url": "https://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder
Ask Cline: "Using Relative & Parallel Key Finder, help me...". 3 tools available
Claude Code · Terminal command
Advanced setup
claude mcp add relative-parallel-key-finder --transport http "https://edge.vinkius.com/vk_preview_LQU1yFkV7soJUwYi1bodEOaHv42XWmMS7JborImv/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 Relative & Parallel Key Finder
Ask Claude: "Using Relative & Parallel Key Finder, show me...". 3 tools are ready
Where the request belongs
Work Relative & Parallel Key Finder can move forward.
This is for musicians who find themselves constantly tab-switching between theory websites and their composition software. It's for the student who wants to master modulation or the composer who needs to move between keys quickly without making mistakes.
Music Composer
Use it to map out complex modulations during a writing session in Cursor or Claude.
Music Theory Student
Use it to verify key signatures and relationships while studying for exams.
Songwriter
Use it to find complementary keys for chord progressions or bridge transitions.
Build the capability set
Add more capabilities.
Each Connector adds new actions and data without changing how you work.
Browse Connectors
Circle of Fifths Navigator
Navigate musical keys, identify tonal relationships, and plan modulations using the Circle of Fifverts framework.
Mode Calculator
Derive and explore the seven musical modes from any major or minor parent scale.
Chord Constructor
Decompose chord notation into notes, inversions, and harmonic roles.
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 Relative & Parallel Key Finder 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 Relative & Parallel Key Finder.
The practical details behind the request, access and result.
Can the Relative & Parallel Key Finder help me with modulation?
Yes, it provides a full modulation guide reference table. You can ask your agent to pull this up to see all possible key signatures and plan your transitions.
How does the Relative & Parallel Key Finder find key relationships?
It identifies relative, parallel, antiparallel, homonymous, and third-distance keys for any input you provide. This helps you understand how keys connect harmonically.
Can I use this to check key signatures for my music theory class?
Yes, it gives you the exact count of sharps or flats and the mode for any key. It's a great way to verify theory facts quickly.
Does the Relative & Parallel Key Finder work for all Western keys?
Yes, it covers keys with sharps, flats, and those with no accidentals, making it a reliable source for Western music theory.
Can I ask my agent to find keys at a third-distance interval?
Yes, the agent can specifically identify keys at a third-distance interval. This is useful for finding new harmonic directions that still feel related.
How can I find the relative key of C Major?
You can use the find_key_relationships capability with 'C Major' as the input. It will return A Minor as the relative key.
What does `get_signature_details` provide?
It provides the number of accidentals, whether they are sharps or flats, and identifies if the key is Major or Minor.
Can I use this for modulation planning?
Yes, the lookup_modulation_guide capability provides a complete reference table of all key signatures to assist in finding suitable keys for modulation.
One connection away
Give your agent a direct line to Relative & Parallel Key Finder.
Connect Relative & Parallel Key Finder once. Keep it beside 6,100+ managed Connectors when the next task needs more.
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