"Web search without requiring an API key" 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.

Barcode lookup, nutrition search, and product comparison for 3M+ crowd-sourced food products.

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.

Analyze biomarker panels with an MD-led clinical engine. Guideline-cited. Synthetic data only.

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.

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

Neutral, payment-blind reference of 1,682 dermacosmetic products: lookup, search, alternatives.

Free calculators as MCP tools: finance, taxes, health, units, dates. Search, fetch & compute.

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

Search and query CDC public health data — mortality, vaccinations, surveillance, behavioral risk.

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

Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.

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.