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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1446 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
WebLens

Scrape, crawl, map and extract the web. Pay per call in USDC, no account or API key.

Finance & CryptoBrowser & web scraping

Outdated check60 ms13 / 22
Find a real estate agent

Find brokerages that serve an area and book a buying or selling consultation. No sign-in.

Real Estate & PropertyData access / search

Outdated check61 ms13 / 22
P0: FX, rates, news and weather

ECB FX rates, SOFR and Treasury yields, news, weather and natural hazards, pay per call

Data & AnalyticsPayments & trading

Outdated check63 ms13 / 22
GolfCore

AI caddie and flag distances for Premium golfers, plus course maps and tee-specific scorecards.

OtherOther

Outdated check64 ms13 / 22
Iberá Experience

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

TravelData access / search

Outdated check64 ms13 / 22
Surfacing Feelings

Helps people name what they feel: 796 feeling words and a body map of 243 sensations.

OtherOther

Outdated check67 ms13 / 22
Marian

A planned US home mortgage whose interest rate can only go down. Pre-launch; not lending yet.

Real Estate & PropertyData access / search

Outdated check69 ms13 / 22
Dumaguete Extension

Costs, travel, visas, hospitals, weather and places for Dumaguete, Philippines.

HealthcareData access / search

Responded71 ms13 / 22
Thermoprops

Thermodynamic properties and cycles with CoolProp: fluid states, refrigeration, Rankine, Brayton.

Developer ToolsCode & DevOps

Responded72 ms13 / 22
KodShop catalog

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

TravelData access / search

Responded76 ms13 / 22
Tryvon

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

TravelData access / search

Outdated check77 ms13 / 22
io.github.trondbjoroy/met-mcp

Weather forecasts from MET Norway (Yr): geocoding plus hourly forecasts worldwide.

Data & AnalyticsCode & DevOps

Outdated check78 ms13 / 22
Wondel.ai MCP servers

26 authless MCP servers: flights, stays, maps, shopping, web search, Polish web (Allegro, OLX, NBP).

TravelData access / search

Responded79 ms13 / 22
SeatWiFi

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

TravelData access / search

Outdated check80 ms13 / 22
x402card: Virtual Cards + Freeland eSIM

Issue and top up x402 virtual cards or buy Freeland travel eSIMs with Base USDC.

Finance & CryptoPayments & trading

Responded86 ms13 / 22
Korean Real Estate Transactions

Korean apartment and housing sale/rent records (MOLIT) by natural-language address. No key.

Real Estate & PropertyCode & DevOps

Outdated check86 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
NC Keys — Northern Cyprus property

Northern Cyprus property listings for rent and sale: search by region, price, layout. Read-only.

OtherData access / search

Outdated check88 ms13 / 22
Black Label Real Estate Website MCP

Search and read public Black Label Real Estate pages with source URLs.

Real Estate & PropertyData access / search

Responded89 ms13 / 22
OctoTrip Flights

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

TravelData access / search

Outdated check89 ms13 / 22
PostCode Check

Validate and normalize postal codes offline for 252 countries and territories. Format check only.

Real Estate & PropertyData access / search

Outdated check89 ms13 / 22
In meiner Nähe – local businesses in Germany

Local businesses across Germany (81 categories) near a postcode or coordinates, with opening status.

Real Estate & PropertyData access / search

Outdated check90 ms13 / 22
Myrmigo

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

TravelData access / search

Outdated check92 ms13 / 22
app.triplogistics/trip-logistics-assistant

Book trip logistics in chat: cars, transfers, eSIM, luggage storage, tours & flight compensation.

TravelData access / search

Outdated check93 ms13 / 22

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