Use Chord Constructor with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Decompose chord notation into notes, inversions, and harmonic roles.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 4 capabilities
The complete Chord Constructor capability set.
These are the exact actions your AI can choose when you ask it to work with Chord Constructor.
01-04
4 capabilities in this set.
Part of 4 available through Chord Constructor.
- 01
Generate voicings
Returns both voicings. Arranges a set of notes into specific "closed" or "open" musical textures
- 02
Get chord inversions
Returns inversions with bassNote and fullStack. Calculates all possible permutations of a chord where different notes serve as the bass
- 03
Parse chord string
Returns root, intervals, and normalized name. Converts a standard chord name string into its structured component parts
- 04
Determine harmonic role
Identifies the functional role of a chord within a specific musical key
Observed, not estimated
665ms average. Fast in production.
Chord Constructor is checked daily against the live service.
- Fastest day
- 538ms
- Slowest day
- 898ms
- 14-day trend
- Slowing+8%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 4 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Chord Constructor, so you can see the experience inside your AI.
It does not authenticate your account with Chord Constructor. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Chord Constructor Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_CPmmF2OEi4HS85pTjRK9UoLxEqvnayxKIdZVAuMI/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Chord Constructor capabilities are ready to use.
{
"mcpServers": {
"chord-constructor-mcp": {
"url": "https://edge.vinkius.com/vk_preview_CPmmF2OEi4HS85pTjRK9UoLxEqvnayxKIdZVAuMI/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
FAQ
Questions Chord Constructor owners ask.
- 01
What kind of chords can I parse?
You can parse over 80 types of chords, including major, minor, augmented, diminished, and extended chords like 7#11 or 9th chords.
- 02
How do I generate different musical textures?
Use the generate_voicings capability and specify either 'closed' or 'open' as the voicing style to arrange your notes.
- 03
Can this help with harmonic analysis?
Yes, the determine_harmonic_role capability identifies if a chord functions as Tonic, Subdominant, or Dominant within a specified key.
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