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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1450 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
Aeralas Maps

Print-ready annotated aerial maps of US addresses for real estate and engineering, paid via x402.

Real Estate & PropertyPayments & trading

Responded187 ms13 / 22
E-Invoice Map

Free, read-only e-invoicing data: mandate dates, Peppol providers, validation-error explainers.

Finance & CryptoPayments & trading

Responded193 ms13 / 22
Torgi.Otkryto (torgiopen.ru)

Russian property auctions: bankruptcy, state, seized, bank and leasing lots. Read-only, in Russian.

Finance & CryptoPayments & trading

Outdated check214 ms13 / 22
UK Due Diligence

UK due diligence — Companies House, Charity Commission, Land Registry, Gazette, HMRC VAT

Real Estate & PropertyCode & DevOps

Outdated check219 ms13 / 22
Faceabot Geocoding

Address to coordinates and back, postal codes, worldwide (OpenStreetMap). Free, no key.

Data & AnalyticsData access / search

Responded224 ms13 / 22
IleM² – ceny nieruchomości w Polsce

Polish real estate: deed-based prices, zoning, utilities, risks, valuations, new developments.

Real Estate & PropertyData access / search

Outdated check227 ms13 / 22
Muscat Properties catalogue

New-build and off-plan property in Oman: projects by area, developer, bedrooms and budget in OMR.

OtherOther

Outdated check228 ms13 / 22
CaLesVaut

Is this listing too expensive? French property sales (DVF), crime, rents, risks, schools

EducationKnowledge & memory

Outdated check234 ms13 / 22
VettedHome property guides

Search VettedHome's UK guides to property problems and home energy decisions. Read-only.

OtherData access / search

Outdated check237 ms13 / 22
air-routes.com

Global scheduled passenger flight routes: which exist, direct or connecting, and days flown.

TravelCode & DevOps

Outdated check253 ms13 / 22
World Beach Map: beaches and sea temperature

Beaches worldwide from Wikidata, each with twelve monthly NOAA sea temperatures. No key.

TravelData access / search

Outdated check262 ms13 / 22
ikeytz Einsatzgebiet-Karten

Read/Link MCP for maps.ikeytz.com. Public read-only. ai-train=no.

Developer ToolsCode & DevOps

Responded269 ms13 / 22
com.followontours/cricket-travel

Bespoke sports travel: cricket, golf, rugby, polo and playing tours. Tour operator, ABTOT 5718.

TravelData access / search

Outdated check269 ms13 / 22
RoomLab.app

Virtual Staging, Declutter Room, Change Style and room videos from your property photos.

MediaAI / LLM tooling

Responded272 ms13 / 22
Sistaminuten travel search

Realtime package holiday and charter flight prices from Sweden. Inventory not on Google Flights.

TravelData access / search

Outdated check289 ms13 / 22
Maxwell Directory (x402 + MCP)

Local providers worldwide, plus travel and public data. Free search; paid answers via x402.

TravelData access / search

Responded293 ms13 / 22
zodiak.info.pl

Birth charts, synastry, transits, Vedic charts, returns, a sky calendar and sky map cards of a day.

ProductivityFile & docs

Outdated check296 ms13 / 22
Dryos

Live US power market prices, load, generation, weather and permits for AI agents.

Data & AnalyticsData access / search

Responded314 ms13 / 22
io.github.HelloSafe/travel-insurance

Compare travel insurance quotes from 15+ insurers — Schengen, WHV, students, long stays, seniors.

EducationCode & DevOps

Outdated check315 ms13 / 22
ai.agentlookups/overassessed

Maryland property-assessment fairness checks vs similar homes, with appeal windows and links.

OtherOther

Responded322 ms13 / 22
Tendeck: AI-run real estate CRM + broker recruiting

Free AI-run real estate CRM. Brokers: Florida recruiting lists, County Watch, auto email, BYO MLS.

Real Estate & PropertyCommunication & messaging

Responded324 ms13 / 22
groundhog.markets

groundhog.markets: free weather forecasts in one call, plus Kalshi and Polymarket market rules.

Data & AnalyticsData access / search

Outdated check331 ms13 / 22
AnimateMyTravel Studio

Animated map videos of any story: trips, wars, empires, storms, data. Free, no signup.

MediaAI / LLM tooling

Responded345 ms13 / 22
Enel SP: Gestão Imobiliária

Enel SP: Property Management, official-source lookup. Platform-hosted, pay per query with prepaid cr

Developer ToolsCode & DevOps

Outdated check352 ms13 / 22

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