# Roxyapi Biorhythm MCP server

Source: https://glimind.com/server/mcp-registry%2Fcom.roxyapi%2Fbiorhythm
Registry id: `mcp-registry/com.roxyapi/biorhythm`
Status: live (checked 2026-10-27T03:17:01.008Z)

## Verdict

Roxyapi Biorhythm MCP server answered 99.95% of Glimind's liveness checks over 30 days, better than 35% of MCP servers, with 363 ms median handshake and 14 outages in 90 days. Its agent-readiness grade is A (95/100) across 6 tools, costing an agent about 2,850 tokens to load. Checked every few minutes; no tool is ever called.

## Measurements (30 days)

| Metric | Value | Better than |
|---|---|---|
| Uptime, 30 days | 99.95% | 35% of MCP servers |
| Median handshake latency | 363 ms | 58% of MCP servers |
| p95 handshake latency | 2129 ms | — |
| Checks in 30 days | 4,929 | — |
| Outages, 90 days | 14 | — |
| Median recovery | 4 min | — |
| Agent-readiness score | 95/100 (A) | 80% of MCP servers |
| Tools | 6 | — |
| Tool-list size for an agent | ~2,850 tokens | 46% of MCP servers |
| Days observed | 29 | — |

## Install

```json
{
  "mcpServers": {
    "roxyapi-biorhythm-mcp-server": {
      "type": "http",
      "url": "https://roxyapi.com/mcp/biorhythm"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http roxyapi-biorhythm-mcp-server https://roxyapi.com/mcp/biorhythm
```

## Tools (6)

- `post_biorhythm_compatibility`: Calculate biorhythm compatibility between two people by overlaying their cycle profiles on a target date. Returns per-cycle alignment scores (0-100) for physica
- `post_biorhythm_critical_days`: Find all critical days (zero crossings) within a date range up to 180 days. Returns each critical day with cycle name, period, direction (ascending or descendin
- `post_biorhythm_daily`: Get a daily biorhythm reading with seeded randomness for consistent "biorhythm of the day" features. Same seed and same date always produce the same reading, pe
- `post_biorhythm_forecast`: Generate a biorhythm forecast for a date range up to 90 days. Returns daily cycle values for physical, emotional, intellectual, and intuitive cycles, daily ener
- `post_biorhythm_phases`: Get current phase information for all 10 biorhythm cycles without the full interpretation payload. Returns value, phase name, phase label, day position within c
- `post_biorhythm_reading`: Calculate a complete biorhythm reading for a given birth date and target date. Returns all 10 cycle values (physical, emotional, intellectual, intuitive, aesthe

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.