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
SplashScout — family water holidays

Family water-holiday hotels & campsites, scored for toddlers, kids and teens.

TravelData access / search

Outdated check2916 ms14 / 22
Event Escapes

Search event travel: F1, MotoGP, soccer, NFL, tennis, concerts. Tickets + hotels + experiences.

TravelData access / search

Outdated check9938 ms14 / 22
Airports

Airports MCP — wraps AirportGap API (free, no auth required), plus a D1 copy of the OurAirports…

TravelCode & DevOps

Outdated check6121 ms14 / 22
Faa Delays

FAA Delays MCP — live US airport operational status (FAA, free, no auth).

TravelCode & DevOps

Responded6152 ms14 / 22
Duffel

Duffel MCP — live flight search + pricing via the Duffel Flights API (duffel.com)

TravelCode & DevOps

Responded6159 ms14 / 22
Dredd MCP

Pre-flight verdict on MCP servers: known-bad identity, CVEs, dependency tree, tool drift. Signed.

TravelCode & DevOps

Outdated check6646 ms14 / 22
Will my flight be delayed?

Will a flight be delayed or cancelled? Forecasts by flight number or route, with each live page.

TravelData access / search

Outdated check21 ms13 / 22
Fly Where To?

Worldwide nonstop flight routes from Wikipedia: airports, destinations, connections, airlines.

TravelKnowledge & memory

Outdated check48 ms13 / 22
AviationHS charter quotes

Price a US private jet charter: search airports, check runway limits, quote a flight.

TravelData access / search

Outdated check54 ms13 / 22
China Footnotes

China travel facts and local tips, sourced and dated: hours, tickets, booking and pre-trip setup.

TravelData access / search

Outdated check54 ms13 / 22
esimdata: travel eSIM comparison

Neutral travel eSIM comparison: search and compare plans from many providers, ranked by price.

TravelData access / search

Outdated check54 ms13 / 22
Journeyed: Los Angeles hotel facts

Los Angeles hotel facts with sources: parking prices, fees, pets, check-in, pools, distances.

TravelData access / search

Outdated check63 ms13 / 22
Iberá Experience

Iberá Wetlands (Argentina) travel guide: gateways, routes, 500+ local providers, bookable trips.

TravelData access / search

Outdated check64 ms13 / 22
HotelRefund Price Tracker

Tracks Agoda hotel prices for your dates, keeps checking, and shows what changed — with evidence.

TravelData access / search

Outdated check65 ms13 / 22
Argentina al Mundo

Argentina's 24 provinces, gastronomy, chefs, luxury products and official travel data. 17 languages.

TravelData access / search

Outdated check68 ms13 / 22
Happy Island Cottage booking

Availability, exact all in quotes and booking requests for 3 vacation homes on Anna Maria Island, FL

TravelData access / search

Outdated check69 ms13 / 22
AHM Transfer

Fixed prices, conditions and booking links for airport transfers in Alanya and Antalya, Türkiye.

TravelData access / search

Outdated check71 ms13 / 22
HotelShortlist

Independent hotel research from guest reviews: bed bugs, pests, noise and hidden fees.

TravelData access / search

Outdated check72 ms13 / 22
Tryvon

Dutch price comparison, starting with travel eSIMs: total price, delivery and price history.

TravelData access / search

Outdated check77 ms13 / 22
SeatWiFi

In-flight WiFi: provider by flight, airline or tail, measured speeds, Starlink rollout.

TravelData access / search

Outdated check80 ms13 / 22
GoVisit Tools

Search GoVisit and read published travel destinations, places, and documentation.

TravelFile & docs

Outdated check83 ms13 / 22
Fly Frugal Travel Data

Read-only public itinerary previews, observed round-trip fares, and flight savings verified today.

TravelData access / search

Outdated check87 ms13 / 22
OctoTrip Flights

Free, no-login flight search with real-time pricing from multiple airlines.

TravelData access / search

Outdated check89 ms13 / 22
Myrmigo

Travel booking reference: official sites, who services a booking, EU261/UK261 compensation checks

TravelData access / search

Outdated check92 ms13 / 22

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