Use Karaoke Scoring Engine with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. A deterministic simulator for Japanese karaoke scoring (DAM/JOYSOUND) based on pitch, rhythm, and vibrato.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
Waiting for input…
Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Complete set · 3 capabilities
The complete Karaoke Scoring Engine capability set.
These are the exact actions your AI can choose when you ask it to work with Karaoke Scoring Engine.
01-03
3 capabilities in this set.
Part of 3 available through Karaoke Scoring Engine.
- 01
Get difficulty multiplier
Retrieves the scaling factor associated with a specific song difficulty level
- 02
Score performance
Calculates the final performance metrics and score based on singer accuracy and song difficulty
- 03
Validate performance inputs
Checks if a set of performance metrics is mathematically valid before processing
Observed, not estimated
763ms average. Fast in production.
Karaoke Scoring Engine is checked daily against the live service.
- Fastest day
- 672ms
- Slowest day
- 986ms
- 14-day trend
- Improving-9%
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 Karaoke Scoring Engine, so you can see the experience inside your AI.
It does not authenticate your account with Karaoke Scoring Engine. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Karaoke Scoring Engine Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_rDByq2q8ZOmpKceeEWOFTqFppQtKQ0eLerbLTVXe/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 — Karaoke Scoring Engine capabilities are ready to use.
{
"mcpServers": {
"karaoke-scoring-simulator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_rDByq2q8ZOmpKceeEWOFTqFppQtKQ0eLerbLTVXe/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 Karaoke Scoring Engine owners ask.
- 01
How is the final score calculated?
The score starts at 100, subtracts deductions for pitch and rhythm accuracy, adds a vibrato bonus (up to 10), and applies a multiplier based on the song difficulty level.
- 02
Can I validate my input data first?
Yes, you can use the validate_performance_inputs capability to check if the pitch, rhythm, vibrato, and difficulty values are within the required mathematical ranges.
- 03
What is the maximum vibrato bonus?
The vibrato bonus is calculated as the number of vibrato instances multiplied by 0.5, with a maximum possible bonus of 10.
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