MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

DiscoveryServer directory

Remote MCP servers

Find a server for your workflow, with connection evidence you can inspect.

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628 servers

Ordered by checks passedClear filters
Dated server measurements. The status describes the last probe or a listed authentication requirement. Checks that have not been measured are not failures. Open a server to inspect the evidence.
Server / capabilityLast probeMedian latencyChecks passedLast checked
ai.autonomad/travel

AI travel agent — book flights, hotels, activities, and events worldwide via autonomad.ai.

TravelData access / search

Outdated check182 ms13 / 22
Mosaiden Souq — سوق المساعدين

Saudi marketplace: stores (Jarir, eXtra), classifieds, restaurant menus, hotels. Arabic-first.

TravelData access / search

Outdated check195 ms13 / 22
LockTrip Hotels

Search hotels worldwide, compare rooms, prices and cancellation terms, then get a link to book.

TravelData access / search

Outdated check211 ms13 / 22
Hotel Mondschein, Stuben am Arlberg

Ski hotel, chalet and motel in Stuben am Arlberg: rooms, live prices, dining, events, ski area.

TravelData access / search

Outdated check216 ms13 / 22
MBD Travel

Read-only MBD Travel catalogue: tours, hotel prices, private transfers and the Dubai visa.

TravelData access / search

Outdated check221 ms13 / 22
Commerce for Agents

Compare US mobile plans, VPNs, travel eSIMs, home internet by address, and German energy tariffs.

TravelData access / search

Outdated check222 ms13 / 22
Vouchernaut

UK discount codes, product prices and price drops, phone deals, what's on and airport parking.

TravelData access / search

Outdated check228 ms13 / 22
FareEagle Travel

Flights, hotels, buses and holiday packages in India at live fares, plus visa help; pay on fareeagle

TravelData access / search

Outdated check231 ms13 / 22
com.mydriverparis/booking

Book a private driver in Paris: live quotes, airport transfers, tours, VIP Meet & Greet. No auth.

TravelData access / search

Outdated check232 ms13 / 22
Voice School Lesson Booking

Request online singing lessons with Voice School and Daria Klishina.

TravelData access / search

Outdated check233 ms13 / 22
com.beachvalencia/booking

Beach Valencia holiday apartments (Valencia, Spain): availability, pricing, cancellation policy.

TravelData access / search

Outdated check234 ms13 / 22
FlightPayback

Free check: does an airline owe you cash for a delayed or cancelled flight in Canada?

TravelData access / search

Outdated check234 ms13 / 22
HalalTrip

Prayer times, Qibla, Islamic dates, halal restaurants, mosques and in-flight prayer, from HalalTrip

TravelData access / search

Outdated check236 ms13 / 22
iQuota Hotels

Search, quote and book independent hotels: official rates, live availability, pay at the hotel.

TravelData access / search

Outdated check244 ms13 / 22
air-routes.com

Global scheduled passenger flight routes: which exist, direct or connecting, and days flown.

TravelCode & DevOps

Outdated check253 ms13 / 22
World Beach Map: beaches and sea temperature

Beaches worldwide from Wikidata, each with twelve monthly NOAA sea temperatures. No key.

TravelData access / search

Outdated check262 ms13 / 22
com.followontours/cricket-travel

Bespoke sports travel: cricket, golf, rugby, polo and playing tours. Tour operator, ABTOT 5718.

TravelData access / search

Outdated check269 ms13 / 22
Château du Bû

Read-only hotel server: room availability and prices, hotel facts, public events. Normandy, France.

TravelData access / search

Outdated check275 ms13 / 22
Sistaminuten travel search

Realtime package holiday and charter flight prices from Sweden. Inventory not on Google Flights.

TravelData access / search

Outdated check289 ms13 / 22
Apartments Perlamar · Valencia beach

Beachfront holiday apartments in Valencia: availability, prices and booking links (read-only)

TravelData access / search

Outdated check326 ms13 / 22
cwsi.net Fare Classes & Mileage Calculators

Airline fare classes, fare comparisons and miles earned, from cwsi.net's charts and calculators.

TravelData access / search

Outdated check327 ms13 / 22
My San Felipe Vacation

Live availability, prices and direct booking for vacation rentals in San Felipe, Baja California

TravelData access / search

Outdated check338 ms13 / 22
Cruisify

Search cruises sold to the UK market, with prices in pounds and links to every sailing.

TravelData access / search

Outdated check351 ms13 / 22
Flight Radar

Live flight radar: real-time position of any aircraft transmitting ADS-B right now. Search by regist

TravelCode & DevOps

Outdated check360 ms13 / 22

Automated measurements. Not a rating. Unmeasured checks are not failures. How to read the evidence