Health
Plot the classic 23-day physical, 28-day emotional, and 33-day intellectual biorhythm sine curves around any target date. See today's cycle states, mark zero-crossing "critical days", and read a daily value table with a combined total — enter your date of birth and a target date.
Call this tool from your code in three languages.
curl -X POST 'https://api.elysiatools.com/en/api/tools/biorhythm-curve-plotter' \
-H 'Content-Type: application/json' \
-d '{"birthDate":"1995-01-01","targetDate":"2026-06-25","rangeMode":"around","spanDays":30}'Send a POST request with your inputs as JSON. File parameters require a separate upload first.
POST https://api.elysiatools.com/en/api/tools/biorhythm-curve-plotter| Name | Type | Required | Description |
|---|---|---|---|
| birthDate | date | Yes | — |
| targetDate | date | No | — |
| rangeMode | select | No | — |
| spanDays | number | No | Total days shown. In "around" mode this is split evenly before/after the target date. |
HTML result
{
"result": "<div>Processed HTML content</div>",
"error": "Error message (optional)",
"message": "Notification message (optional)",
"metadata": {
"key": "value"
}
}Add this tool to your Model Context Protocol server so AI agents can list and call it.
Add this block to your MCP client configuration:
{
"mcpServers": {
"elysiatools-biorhythm-curve-plotter": {
"name": "biorhythm-curve-plotter",
"description": "Plot the classic 23-day physical, 28-day emotional, and 33-day intellectual biorhythm sine curves around any target date. See today's cycle states, mark zero-crossing \"critical days\", and read a daily value table with a combined total — enter your date of birth and a target date.",
"baseUrl": "https://api.elysiatools.com/mcp/sse?toolId=biorhythm-curve-plotter",
"command": "",
"args": [],
"env": {},
"isActive": true,
"type": "sse"
}
}
}After connecting to the SSE endpoint, list the exposed tools:
{
"jsonrpc": "2.0",
"id": 1,
"method": "tools/list"
}Invoke the tool by its id, passing arguments built from its parameters:
{
"jsonrpc": "2.0",
"id": 2,
"method": "tools/call",
"params": {
"name": "biorhythm-curve-plotter",
"arguments": {
"birthDate": "1995-01-01",
"targetDate": "2026-06-25",
"rangeMode": "around",
"spanDays": 30
}
}
}Questions or issues? Contact [email protected]