Use Ovulation Calculator with your AI.
Connect your account once and let the AI you already use work with it, without building another integration. Predict ovulation and fertile windows based on cycle tracking.
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.
Observed, not estimated
585ms average. Fast in production.
Ovulation Calculator is checked daily against the live service.
- Fastest day
- 431ms
- Slowest day
- 786ms
- 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. 0 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 Ovulation Calculator, so you can see the experience inside your AI.
It does not authenticate your account with Ovulation Calculator. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Ovulation Calculator Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_912mqHby1T6YtNi6cZEid6JlqbLXfffVaQffXP3P/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 — Ovulation Calculator capabilities are ready to use.
{
"mcpServers": {
"ovulation-fertile-window-calculator-mcp": {
"url": "https://edge.vinkius.com/vk_preview_912mqHby1T6YtNi6cZEid6JlqbLXfffVaQffXP3P/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 Ovulation Calculator owners ask.
- 01
How accurate are the predictions?
Predictions are based on your provided cycle and luteal phase data. Accuracy improves when using recent history with estimate_irregular_window_range. Capabilities available: your_tool_name.
- 02
Can I use this for irregular cycles?
Yes, the estimate_irregular_window_range capability is specifically designed to calculate a wider window based on your last 6 cycle lengths.
- 03
What inputs are required?
You need the start date of your last period and your average cycle length.
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