D Fetcher

Connect Remote server

claude mcp add --transport http vitamin-d https://dfetcher.com/mcp

{
  "mcpServers": {
    "vitamin-d": {
      "url": "https://dfetcher.com/mcp"
    }
  }
}

{
  "servers": {
    "vitamin-d": {
      "type": "http",
      "url": "https://dfetcher.com/mcp"
    }
  }
}

Settings > Connectors > Add custom connector
URL: https://dfetcher.com/mcp

Tools 3 found in our last check

• calculate

  Calculate vitamin D synthesis at a given location and time. Returns sun position, UV index, IU/min, minutes to reach the target dose, MED (sunburn threshold), the peak window, and optional 15-min day / monthly year curves. UV index uses a live satellite-driven forecast where ava…

• geocode

  Turn a place name, postal code, or "code, CC" string into { lat, lon, label }. Auto-detects US/CA/GB/NL/JP/BR postal patterns; ambiguous digit-only codes default to US unless the caller appends a country code (e.g. "10115, DE"). Falls back to Open-Meteo place-name search for eve…

• describe_skin_types

  Returns the six Fitzpatrick skin types with sun-reactivity behavior and descriptive ancestry hints. Call this when the user's skin type is unknown so you can pick the closest match before calling calculate.

Details

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