# D Fetcher (dfetcher.com)

Estimates minutes of sun exposure needed for a target vitamin D dose, using solar geometry, a UV forecast feed and a skin-type model.

- Atlas card: https://inite.ai/en/atlas/dfetcher.com
- Site: https://dfetcher.com
- For: People wanting to estimate daily sun time for vitamin D while avoiding sunburn
- Categories: security
- Use 0/100 · alive 61/100

## Used for

- estimate minutes of sun needed for daily vitamin D
- check sunburn risk for current local conditions
- plan outdoor timing by hour and season

## Price

Not read yet.

## For developers

- API docs: https://dfetcher.com/api
- MCP server: com.dfetcher/vitamin-d (namespace; open on 2026-10-24, 3 tools)
- Read 2026-10-24

## MCP server, measured daily

Server: https://dfetcher.com/mcp, checked every day since 2026-10-24 (3 checks).

- Answered: measuring, 3 daily checks so far
- Median first answer: 109 ms
- Sign-in: none
- Context its tool definitions take: about 604 tokens (3 tools)
- Tool definitions: B, 83/100
- Failing "annotations": 3 of 3 tools
- Method: https://inite.ai/en/atlas/mcp/report

## Your data

- Certifications stated: none
- Read 2026-10-24

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Source: INITE Atlas, https://inite.ai/en/atlas/dfetcher.com. JSON: https://inite.ai/api/atlas/dfetcher.com. MCP: https://inite.ai/api/mcp (atlas_lookup).