Use Sleep Cycle Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Calculate optimal bedtimes and sleep stage distributions using 90-minute circadian cycles.
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 · 3 capabilities
The complete Sleep Cycle Calculator capability set.
These are the exact actions your AI can choose when you ask it to work with Sleep Cycle Calculator.
01-03
3 capabilities in this set.
Part of 3 available through Sleep Cycle Calculator.
- 01
Calculate bedtimes
Determines the best times to go to bed to wake up at a specific time while completing full 90-minute sleep cycles
- 02
Calculate jet lag adjustment
Determines the necessary circadian adjustment period for travel
- 03
Evaluate sleep adequacy
Checks if the proposed sleep duration meets the biological needs of the user based on their age
Observed, not estimated
762ms average. Fast in production.
Sleep Cycle Calculator is checked daily against the live service.
- Fastest day
- 665ms
- Slowest day
- 998ms
- 14-day trend
- Slowing+35%
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 Sleep Cycle Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Sleep Cycle Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Sleep Cycle Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_9abnos4ZDTVEl3U33WgsHLPGp0wKRUvzGaRp53Ao/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 — Sleep Cycle Calculator capabilities are ready to use.
{
"mcpServers": {
"sleep-cycle-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_9abnos4ZDTVEl3U33WgsHLPGp0wKRUvzGaRp53Ao/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 Sleep Cycle Calculator owners ask.
- 01
How do 90-minute sleep cycles work?
The human sleep pattern is composed of repeating cycles that typically last approximately 90 minutes. Using calculate_bedtimes helps you wake up at the end of a cycle to minimize sleep inertia.
- 02
Can I check if I am getting enough sleep?
Yes, you can use evaluate_sleep_adequacy to compare your total sleep duration against the minimum requirements for your age group.
- 03
How do I adjust for jet lag?
You can use calculate_jet_lag_adjustment to determine how many days you need to adjust your internal clock based on the number of time zones you cross.
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