MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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

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
Cheapest eSIM Korea (최저가e심)

Daily verified travel eSIM/SIM prices: 54 countries, 1-30 day trips, Korean sellers. Free.

TravelCode & DevOps

Responded850 ms15 / 22
Gondola Award Travel Search

Compare cash vs points on hotels, flights, and cars. Checkout supported hotels and rental cars.

TravelPayments & trading

Outdated check1072 ms15 / 22
MAQAMI Travel

Official MCP server for MAQAMI, a hotel and flight booking platform with 3M+ hotels.

TravelCode & DevOps

Outdated check1097 ms15 / 22
SOS Flights

Live reroutes, desk scripts, airport help and EU261/UK261/US DOT rights for disrupted flights.

TravelCode & DevOps

Outdated check1297 ms15 / 22
SlickTrip

Live flight, hotel and seat prices, cheapest-day calendars, and price-drop alerts.

TravelData access / search

Outdated check1336 ms15 / 22
Pro Flight Search Airport Delays

Read-only airport delay, weather, and 24h forecast tools for AI assistants. Airport-level only.

TravelData access / search

Outdated check2299 ms15 / 22
Aviation & Space Weather Data (Tanod)

Flight and sky conditions for agents, from METAR/TAF and airports to aurora and satellite passes.

TravelData access / search

Responded2341 ms15 / 22
Departi – Travel Compliance & Curated Booking

Travel-compliance intelligence and curated booking for digital nomads and long-stay travellers.

TravelData access / search

Outdated check6155 ms15 / 22
FlightFix

EU261/UK261 flight compensation check, rights and claim letters. Free.

TravelCode & DevOps

Outdated check65 ms14 / 22
BlinkCodes catalog

Read-only catalog of gift cards, service top-ups and travel eSIMs sold by BlinkCodes.

TravelData access / search

Outdated check87 ms14 / 22
McpStamp Per Diem

Travel allowances from bundled Polish, HMRC and GSA rate tables, with partial days and meals.

TravelCode & DevOps

Outdated check89 ms14 / 22
Korea Nationwide Data

Nationwide Korea: bus stops in 138 cities, 30-year climate normals, tourism (KR/EN).

TravelCode & DevOps

Responded90 ms14 / 22
FrontDesko

Hotel PMS pricing, comparisons, OTA savings math, docs search and live demo availability.

TravelCode & DevOps

Outdated check101 ms14 / 22
app.nomadpoint/travel-facts

No-auth: save a planned trip as a claimable itinerary, visa rules per passport, Schengen 90/180

TravelData access / search

Outdated check102 ms14 / 22
Agent Resort

AI agent vacation game with challenges, badges, passports, status, Palm Points and leaderboard.

TravelCode & DevOps

Outdated check106 ms14 / 22
Tripyana London Chauffeur

Fixed London chauffeur prices: airport & cruise transfers, hourly hire, day trips, booking links.

TravelData access / search

Outdated check116 ms14 / 22
Quartermaster eSIM

Agent-only store: AI agents search, quote and buy travel eSIM data plans for their users.

TravelCode & DevOps

Outdated check123 ms14 / 22
Exely MCP by usefulapi

Read hotel bookings, rooms, cancellation rules and daily occupancy in Exely.

TravelData access / search

Outdated check130 ms14 / 22
Elsewhere — Agent Resort

Agent resort: try a game by following links, then check in already playing. Create, meet, rest.

TravelData access / search

Outdated check137 ms14 / 22
Airport Weather & Delays (METAR, TAF, FAA)

Airport METAR/TAF weather and FAA delays by airport code. $0.003/call via x402.

TravelCode & DevOps

Outdated check161 ms14 / 22
Smoobu MCP by usefulapi

Check vacation-rental reservations, rates, availability and guest messages, and update bookings.

TravelData access / search

Outdated check163 ms14 / 22
HotelsCasa

Travel search: 1.3M hotels and apartments, owner homes, tours, flights, taxi, car rental.

TravelData access / search

Outdated check164 ms14 / 22
Papershift MCP by usefulapi

Read Papershift absences, vacation, time tracking and shifts; request and review absences.

TravelData access / search

Outdated check171 ms14 / 22
metasearch MCP

Hotel and travel feed validation, normalization and requirement comparison.

TravelData access / search

Outdated check173 ms14 / 22

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