"Supabase (open source Firebase alternative)" matching MCP connectors:

Puerto Rico's hand-verified data layer: businesses, health deserts, FDA recalls, public record.

UK NIHR (National Institute for Health and Care Research) open-data MCP.

Consent-gated tools that turn user health notes into non-diagnostic appointment-prep materials.

Search source-labeled hospital prices, CPT codes, providers, and healthcare cost estimates.

Hosted MCP server for solar vitamin D. Six public tools, no account needed: find a city, sun times and golden hour, the synthesis window for a day, the whole year of viable months at a latitude, whether right now is a good moment from live UV, and what a sun session produced. Four more read a signed-in user profile, cities and sun history over OAuth 2.1. Built on NOAA solar geometry, a Madronich clear-sky UV model with ozone, MED by Fitzpatrick skin type, and live Open-Meteo data.

Discover Swedish MSK clinics on fysio.care: search clinics, services, and open appointment times.

Nutrition MCP — wraps Open Food Facts API (free, no auth)

Realtime CBD product catalog, prices, stock and FAQ from CalmActiva.

Disease Twin — Brazil's rare-disease knowledge graph (10,468) over MCP. Source-grounded, PT-BR.

Garmin data in Claude: 135 tools — activities, sleep, HRV, training, workouts. Free, open source.

WHOOP recovery, strain, sleep and workouts in Claude via official WHOOP OAuth. Free, open source.

LocalPlate MCP for verified restaurant nutrition, food search, diary logs, and Plato guidance.