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Connect Voice Leading Checker to ChatGPT, Claude and Gemini

Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Verify harmonic integrity and smooth melodic movement.

Ask AI about this Connector

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.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Your AI does the work. We keep it safe and sound.

No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.

Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

A futuristic MCP client docking bay
V8 Isolate01

Each Connector runs inside its own sealed environment.

Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.

Kill Switch02

One switch stops every agent. Instantly.

One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.

FinOps per User03

Spending limits that pause instead of surprise.

Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.

Three controls, built into the layer your AI connects through.

Curated set · 3 capabilities

We ship only the actions that matter.

Capability set01 / 01

01-03

3 capabilities in this set.

Part of 3 available through Voice Leading Checker.

  1. 01

    Analyze voice conduction

    This capability examines the specific movement between two different chord voicings. It identifies how notes transition from one state to the next.

  2. 02

    Check voice hierarchy

    This capability validates that your voices follow the correct ascending order. It ensures the Bass, Tenor, Alto, and Soprano parts are positioned properly.

  3. 03

    Evaluate smoothness

    This capability calculates a quality score for a musical transition. It bases the grade on the number of violations and the total magnitude of melodic leaps.

Real work

What teams actually run

01

Choral Arrangement Audit

Check if a four-part vocal setting follows classical voice leading rules.

02

Harmonic Error Correction

Find and fix parallel intervals in a sequence of chord voicings.

03

Melodic Smoothness Testing

Evaluate if the leaps between chords are too large or awkward.

04

Voice Order Verification

Ensure the Tenor, Alto, and Soprano parts do not drop below the Bass line.

Automate a task

Put Voice Leading Checker to work on one thing.

Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.

One connector, every AI

Voice Leading Checker works with the most popular AI clients.

These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.

ClaudeClaudeChatGPTChatGPTGeminiGeminiPerplexityPerplexityGrokGrokMicrosoft CopilotMicrosoft CopilotCursorCursorVS CodeVS CodeWindsurfWindsurfJetBrainsJetBrainsClineClineLangChainLangChainVercel AI SDKVercel AI SDKLovableLovableZ.aiZ.aiRaycastRaycastQwen CodeQwen CodeKimi CodeKimi CodeLe ChatLe Chat

Building your own app? The connector is yours to use.

You don't need a client to put Voice Leading Checker to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.

Observed, not estimated

721ms average. Fast in production.

Voice Leading Checker is checked daily against the live service.

Daily averagePeak 930ms
Oct 3Today
Fastest day
549ms
Slowest day
930ms
14-day trend
Slowing+16%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 3 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 Voice Leading Checker, so you can see the experience inside your AI.

It does not authenticate your account with Voice Leading Checker. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Voice Leading Checker Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_AE7mBjSfASougT2yczI7GtD6kMgaA9neVF04vCXy/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Voice Leading Checker capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "voice-leading-checker-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_AE7mBjSfASougT2yczI7GtD6kMgaA9neVF04vCXy/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

Guided setup for Claude? Set up Voice Leading Checker in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Voice Leading Checker owners hand off.

This MCP is built for people working with formal harmonic structures and choral writing.

  • 01

    Composer

    You hand off chord progressions to the AI to check for technical errors.

  • 02

    Music Theorist

    You use the capability to automate the analysis of SATB voice leading.

  • 03

    Arranger

    You let the AI verify that vocal parts stay within their proper ranges and order.

FAQ

Questions Voice Leading Checker owners ask.

  • 01

    What musical ranges does this MCP support?

    The MCP is designed for SATB analysis, covering Bass, Tenor, Alto, and Soprano ranges.

  • 02

    Can I use this with Claude or Cursor?

    Yes, you can connect this MCP to any compatible client like Claude, Cursor, or Windsurf.

  • 03

    How does the smoothness score work?

    The score is calculated based on the number of harmonic violations and the total magnitude of melodic leaps in a transition.

  • 04

    What kind of errors does it find?

    It detects parallel fifths, parallel octaves, voice crossing, and excessive melodic leaps.

  • 05

    Does it suggest better ways to voice a chord?

    Yes, the MCP returns suggested alternative voicings to help fix detected harmonic errors.

  • 06

    How can an agent detect parallel fifths?

    Agents use the analyze_voice_conduction capability, providing initial and target voicings. The capability identifies when two voices move in the same direction while maintaining a perfect fifth interval.

  • 07

    What does check_voice_hierarchy do?

    The check_voice_hierarchy capability ensures that the pitch values for Bass, Tenor, Alto, and Soprano are in correct ascending order, preventing voice crossing errors.

  • 08

    Can I get suggestions for better voicings?

    Yes. When using analyze_voice_conduction, the capability returns a suggested_voicing object containing an alternative arrangement that resolves detected violations.

Explore

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