Use Onsen Mineral Classifier with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Classify Japanese hot spring water quality, legal status, and therapeutic benefits.
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 Onsen Mineral Classifier capability set.
These are the exact actions your AI can choose when you ask it to work with Onsen Mineral Classifier.
01-04
4 capabilities in this set.
Part of 4 available through Onsen Mineral Classifier.
- 01
Calculate therapeutic profile
Evaluates the skin and health benefits provided by the specific mineral composition
- 02
Estimate cooling duration
Predicts how long it takes for the water to reach a safe bathing temperature
- 03
Validate onsen status
Determines if the water meets the legal definition of an Onsen
- 04
Check ph safety
Flags extreme pH levels that require safety warnings
Observed, not estimated
831ms average. Fast in production.
Onsen Mineral Classifier is checked daily against the live service.
- Fastest day
- 598ms
- Slowest day
- 1018ms
- 14-day trend
- Slowing+43%
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 Onsen Mineral Classifier, so you can see the experience inside your AI.
It does not authenticate your account with Onsen Mineral Classifier. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Onsen Mineral Classifier Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_5aNiTWsCLmVHxws9jI5MWVbSminzeMAaT4SNOhcK/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 — Onsen Mineral Classifier capabilities are ready to use.
{
"mcpServers": {
"onsen-mineral-classifier-mcp": {
"url": "https://edge.vinkius.com/vk_preview_5aNiTWsCLmVHxws9jI5MWVbSminzeMAaT4SNOhcK/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 Onsen Mineral Classifier owners ask.
- 01
How do I check if a spring is legally an Onsen?
Use the validate_onsen_status capability by providing the water temperature and the dominant mineral type.
- 02
Can I calculate how long it takes for water to cool down?
Yes, the estimate_cooling_duration capability predicts the time needed to reach a safe bathing temperature based on initial and ambient temperatures.
- 03
How is water safety checked?
The check_ph_safety capability flags extreme pH levels that require dilution warnings.
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