"Understanding the term 'flux' or its various applications" matching MCP connectors:

The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

Uphealth Signal turns federally-sourced (CDC/NIH/MedlinePlus) health facts, lists, and tips into agent-callable cued-stream tools. Every cue is provenance-backed, audience-safety-checked, and sequenced on the patient's last response, so your AI health agent never fabricates health content. Free sandbox (Display mode): no PHI, no BAA. Not medical advice.

Query FDA data on drugs, food, devices, and recalls via openFDA. STDIO or Streamable HTTP.

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.

Read-only senior-care exit routes, duplicate-referral deadlines, and templates; no PII or sending.

Book a Ukrainian-speaking vertebrologist in Chernivtsi, Ukraine: find slots and book for the user.

Find and book across the Aurinia network (doctor, hostel, spa) via AI.

Query an independent, payment-blind reference of 1,682 dermacosmetic products — by product, ingredient, concern, category or brand. Neutral descriptive facts, every result links back to its reference page. No ratings, no paid placement.

A free one-minute reset for people, delivered by AI, with no account or personal data.

Nestling is an MCP server that lets you log and query your baby's daily routine (feeds, sleep, nappy changes, and diary entries) through natural conversation with Claude or any MCP-compatible AI assistant.

Search Narcotics Anonymous meetings worldwide via the BMLT directory.

Teen-first library on CBT, DBT, and finding the right therapist.

Adolescent psychiatry library focused on the medication decisions parents wrestle with.

Plug Sally AI into your agent. The clinical-grade health intelligence behind A1C Insights, Sally AI, now exposed as an MCP endpoint and REST API to your agent — 64+ biomarkers across Western clinical and TCM preventive frameworks. Authenticate, call the skills you need, get billed per request. Built for agents who care about health and evidence.

Identifies the biological cause behind sleep disruption using The Longevity Vault's 5-cause framework. Developed by Kat Fu, M.S., M.S. (Stanford).

Garmin data in Claude & ChatGPT via the Garmin Health API. OAuth sign-in, no password sharing.

Access CQC care ratings, NHS health services, and food hygiene data across the UK

Run the Energy Leak Quiz, match biohacking gear, and build a longevity stack. Free, no API key.

The Eureka EHR as MCP tools: patients, schedule, notes, messages, billing, and orders.

Know when the sun can make vitamin D where you are, for your skin type. Live UV data.