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

1443 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
Crosby, TX Weather

Crosby, TX weather, air quality, tropics, floods, fishing, pollen, burn bans, radar, news & schools.

Data & AnalyticsData access / search

Outdated check43 ms13 / 22
Weather & Geo Intel MCP

US weather & geo for AI agents: forecasts, alerts, earthquakes, elevation, geocoding. No keys.

Data & AnalyticsData access / search

Outdated check47 ms13 / 22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Outdated check48 ms13 / 22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Outdated check54 ms13 / 22
Dubai Log

UAE travel and living cost calculators with the published source behind every number.

TravelData access / search

Responded56 ms13 / 22
whoislicensed — state license lookup

Verify a contractor, real estate or cosmetology license in 12 US states from the boards' own files.

Real Estate & PropertyData access / search

Outdated check57 ms13 / 22
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Outdated check60 ms13 / 22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Outdated check61 ms13 / 22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Outdated check63 ms13 / 22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Outdated check64 ms13 / 22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
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
CrimeMapsUK

Published UK police street-crime figures by postcode district, with a page link and citation.

Real Estate & PropertyKnowledge & memory

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

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