"Identifying Servers Without Any API Key Configuration" matching MCP connectors:

Biorhythm cycles, forecasts, critical days and compatibility for AI agents, one API key.

Dream symbol interpretation and dream-dictionary lookups for AI agents, one API key.

Appendix turns any AI health conversation into a board-certified physician's opinion — with a real prescription when clinically appropriate. Search medical literature and submit a clinical encounter for review, all from your agent.

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

Free hosted MCP server by Baby Age Calculator: exact baby age, zodiac, and milestone dates. No key.

Natural-language calorie lookup. Send '2 large eggs', get USDA-sourced nutrition data.

Product evaluation MCP server for US packaged food. Health scores, ingredient safety, regulatory flags, recall history, corporate ownership.

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

Agent-ready economic, market & geo-health intelligence — 318 MCP tools, 309 driver-backed indices.

Pay-per-call US healthcare data: hospital financials, prices, quality, exclusions, wages.

Neutral cross-brand period-underwear comparison: absorbency in real mL, plus size translation.

Live KARVE Pilates class schedule and availability in Jeddah, with booking links. Read-only.

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.

Real licensed Kenyan doctors, pharmacy and groceries. AI discovery only, payment held in escrow.

French HACCP MCP: sourced regulatory data (temperatures, DLC, DDPP) for AI assistants.

HealthData.gov MCP — wraps HealthData.gov CKAN API (free, no auth)

Noise data tools: city noise rankings, decibel levels of common sounds, NIOSH safe-exposure math.

WHO ICD-10/ICD-11 diagnosis codes. Lookup, search, chapters via official WHO API.

For teams following multiple patients (clinical, family): lists patients with active sharing and rea

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