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
Fair Fare

What a taxi, Uber or Lyft should cost, airport pickup rules, and overcharge checks.

TravelCode & DevOps

Responded65 ms15 / 22
easygroupflights

Group flight quotes for parties of 10 or more passengers.

TravelData access / search

Outdated check72 ms15 / 22
Fare Deals

Cheap flights from any city, to one place or anywhere, with the cheapest days to fly.

TravelCode & DevOps

Responded75 ms15 / 22
Good Turn Studio (all tools)

All 27 Good Turn Studio helpers in one server: money, health, jobs, travel, art, halal, scripture.

TravelCode & DevOps

Responded83 ms15 / 22
Partelisto

Guest check-in, SES.HOSPEDAJES status, and booking creation for Spanish vacation rentals. No PII.

TravelCode & DevOps

Responded85 ms15 / 22
esimgomobile — Travel eSIM Tools

Travel eSIM plan catalog, coverage and trip-planning tools for agents and developers.

TravelData access / search

Outdated check91 ms15 / 22
LiveVariant

Build, inspect and read adaptive A/B tests. Config travels in the URL; no account or API key needed.

TravelCode & DevOps

Responded108 ms15 / 22
VeryChic Hotel Deals

Unofficial read-only MCP server for VeryChic hotel offers

TravelCode & DevOps

Responded151 ms15 / 22
VoyageHacks

Multilingual travel guides, gear picks and booking links for AI travel agents.

TravelData access / search

Outdated check181 ms15 / 22
Veabird: ski & beach trip planner

Ski & beach trip planning: resort matching, snow and sargassum forecasts, lodging and flights.

TravelCode & DevOps

Responded208 ms15 / 22
Stay Cost Brain

Tourist and hotel taxes from official sources, worked out night by night for your dates and guests.

TravelData access / search

Outdated check217 ms15 / 22
Airfare Brain

True cost of flight extras (bags, seats, fees) on 29 airlines in Europe and North America, sourced.

TravelData access / search

Outdated check227 ms15 / 22
Car Rental Brain

Real cost of car hire at 120+ airports: second driver, cover, deposits, debit cards, desk hours.

TravelData access / search

Outdated check295 ms15 / 22
SkyAccess

Search 5,000+ live empty leg flights, get charter estimates and booking links. Free, no API key.

TravelData access / search

Outdated check413 ms15 / 22
Park & Keep airport parking

European airport car parks: services, distance, airport price ranges for 3, 7 and 14-day stays.

TravelCode & DevOps

Responded445 ms15 / 22
Ignav Flights

Live flight prices and working booking links for AI agents and travel apps.

TravelCode & DevOps

Responded488 ms15 / 22
PuraSIM travel eSIM

Search and compare PuraSIM travel eSIM data plans for 187 countries and get a link to buy them.

TravelCode & DevOps

Responded499 ms15 / 22
Powder to the People Snow Reports

Free snow reports, forecasts and season history for ~400 US and Canada ski resorts, with citations.

TravelCode & DevOps

Responded542 ms15 / 22
Free Agent Tools

43 free no-auth tools: Japan life, visas, travel and work checks, plus pitch roast.

TravelCode & DevOps

Responded606 ms15 / 22
BreckenWander Travel

Search flights, hotels & experiences at all-in prices, then build a trip on breckenwander.com.

TravelData access / search

Outdated check615 ms15 / 22
OKstays

Hotels ranked by real comfort, not commission: efficient AC, comfy beds, soundproof rooms and more

TravelData access / search

Outdated check626 ms15 / 22
Untap

Check UK Delay Repay, UK261 flights and TfL refunds. Save claims and check commutes on request.

TravelPayments & trading

Responded773 ms15 / 22
SnowSure — Snow & Ski

Live ski snow, multi-model forecasts, powder rankings & a grounded Answer Engine for 500+ resorts.

TravelData access / search

Outdated check776 ms15 / 22
Sparkflights

Search flight fares by city, month, cabin and price, and watch a route for new deals.

TravelCode & DevOps

Responded788 ms15 / 22

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