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.

Connect your agent

629 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
Onward Flights

Search real flights and buy an onward ticket (proof of onward travel), paid in USDC over MPP

TravelData access / search

Outdated check653 ms13 / 22
e-eSIM Catalog

Search travel eSIM data plans worldwide with live prices, plan details and a buy link.

TravelData access / search

Outdated check679 ms13 / 22
worldwide eSIM — one eSIM for the whole world

One travel eSIM for 98 countries: live quotes by continent and GB, country check and a buy link.

TravelData access / search

Outdated check687 ms13 / 22
Seatac Connection rides

Live fares, trip planners, and booking links for Seatac Airport, Seattle, and cruise-pier rides.

TravelData access / search

Outdated check687 ms13 / 22
Precellence Service — Paris chauffeur prices

Paris private chauffeur: prices incl. VAT (airports, stations, Disneyland). Read-only, no booking.

TravelData access / search

Outdated check693 ms13 / 22
Tipping Rules

Read-only travel tipping for 140 destinations: search, country rules, and tip calculator.

TravelData access / search

Outdated check705 ms13 / 22
K-AgentPay: Korea travel & K-pop data

Korea travel & K-pop live data for agents: concerts, Seoul trip packs, crowd, subway, airport.

TravelPayments & trading

Outdated check748 ms13 / 22
WIA GIL: hotels, places, travel basics

City search, nearby hotels and places, country travel basics, reference exchange rates, distances.

TravelData access / search

Outdated check750 ms13 / 22
Korea Travel Demand & Price Archive (요즘인기여행)

Daily Korean outbound travel demand index (Naver package buyers) + direct flight & top-hotel prices

TravelData access / search

Outdated check792 ms13 / 22
Checko — travel insurance comparison

Compare travel insurance for trips abroad from Israel on Checko. Trip details only; no prices.

TravelData access / search

Outdated check803 ms13 / 22
io.github.whalefuntech/intentlink

The best agent monetization tool: free search, clear rev-share, 10M+ commerce/travel/local offers.

TravelCode & DevOps

Responded816 ms13 / 22
RentalCal

Find direct-booking vacation rentals, check availability, and get stay quotes.

TravelData access / search

Outdated check832 ms13 / 22
european eSIM — one eSIM for all of Europe

Travel eSIM for 33 European countries, 90 days: live quotes by GB, country check, buy link.

TravelData access / search

Outdated check846 ms13 / 22
IbiPoint eSIM Catalog

Search prepaid travel eSIM data plans for 200+ countries with live prices and a buy link.

TravelData access / search

Outdated check848 ms13 / 22
a2bflight fares

Flight fares seen on thousands of routes, each dated, and where a group can meet. Not live. No key.

TravelData access / search

Outdated check867 ms13 / 22
Stamp Tour (스탬프투어)

Find Korean stamp tours (free GPS stamp travel events with gifts) by region, place or location.

TravelData access / search

Outdated check881 ms13 / 22
MAPL Tours Jamaica

Private airport rides from Montego Bay (MBJ) to Jamaican hotels and villas, plus tours

TravelData access / search

Outdated check903 ms13 / 22
Meridian Dispatch

Plan trips by chat in the Meridian Dispatch iPhone app, from cited guides to places and events.

TravelData access / search

Outdated check927 ms13 / 22
eSIM-Global.VIP eSIM Catalog

Find prepaid travel eSIM plans for 200+ destinations with live prices, specs and a buy link.

TravelData access / search

Outdated check943 ms13 / 22
Hotelumo Hotel Operations

See your hotel's room availability, rates, housekeeping and upcoming arrivals and departures.

TravelData access / search

Outdated check961 ms13 / 22
Phi Phi Paradise Travel

Plan and book southern Thailand trips: island tours, private boats, ferries, hotels, itineraries.

TravelData access / search

Outdated check1057 ms13 / 22
OlaChill Japan Travel

Search and price Japan tours, tickets, ryokan, transfers, charter buses, helicopters, golf and eSIM.

TravelData access / search

Outdated check1058 ms13 / 22
PriceWin

Live hotel and flight prices compared across Booking.com, Agoda, Trip.com and Traveloka, in USD.

TravelData access / search

Outdated check1070 ms13 / 22
MyBoracayGuide: Boracay Transfers and Activities

Live prices and booking links for Boracay airport transfers, flights and activities.

TravelData access / search

Outdated check1146 ms13 / 22

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