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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1470 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
Schiphol Herrie

Aircraft noise over the Netherlands: what flies over you and how loud, and report a noisy flight

TravelData access / search

Outdated checkNot measured4 / 22
ScrapeMole Pulse

x402 FX, time, weather, US NWS alerts, HN, holidays, geocoding for agents.

Data & AnalyticsPayments & trading

Outdated checkNot measured4 / 22
Tuper maps

Accurate SVG maps, each region a named path: find country, state and county maps; free blank SVGs.

OtherOther

UnreachableNot measured4 / 22
UK Data API

24 UK data endpoints — property, weather, companies, vehicles, finance. Paid via x402.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
United Starlink Tracker

Does my United flight have Starlink WiFi? Verified tail assignments, odds, and itineraries.

TravelData access / search

Outdated checkNot measured4 / 22
Voya Homes public vacation-home search

Read-only Voya Homes search for date-bound availability, prices and property details.

TravelData access / search

Outdated checkNot measured4 / 22
Weather API

Current weather and 7-day forecast for any location. OpenMeteo-powered. x402 micropayment.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
weekendflights

Weekend flight price calendar: the cheapest round trip for every weekend of the next 12 months.

TravelData access / search

UnreachableNot measured4 / 22
World Weather Online

Global weather API: forecasts, historical data, marine, ski, astronomy and timezone.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
yesmcp

See what an MCP connector can do for your business, get a scenario map, book a consultation.

Developer ToolsCode & DevOps

Outdated checkNot measured4 / 22
ai.planetrack/flight-data

Live flight status, airport boards, aircraft lookups and what is overhead, from PlaneTrack.ai.

TravelData access / search

Requires authNot measured4 / 22Not checked yet
com.acuris-geo/acuris-mcp

Address validation & geocoding for AI agents: 240+ countries, UK PAF, free US/CA enrichment

Data & AnalyticsData access / search

Requires authNot measured4 / 22Not checked yet
com.htagai/htag-intelligence

HTAG property tools for addresses, listings, estimates, markets, and demographics.

OtherOther

Requires authNot measured4 / 22Not checked yet
com.n0brains/mcp

Self-routing market intel for agents: A-F trade checks, one-call briefs, real liq maps, proof board.

Developer ToolsCode & DevOps

Requires authNot measured4 / 22Not checked yet
com.themineworks/lead-generation-mcp

B2B and local lead gen: verified emails, site contacts, Maps and Yellow Pages leads.

Marketing & SalesCommunication & messaging

Requires authOutdated checkNot measured4 / 22
com.thenightsky/store

Design custom star maps and engraved jewellery in chat; checkout finishes on thenightsky.com.

Finance & CryptoPayments & trading

Requires authOutdated checkNot measured4 / 22
de.vakantio/mcp

Search, write, and publish travel blogs on vakantio.de: posts, drafts, trips, comments. OAuth.

TravelData access / search

Requires authOutdated checkNot measured4 / 22
dev.dulieu/reference

Vietnam daily data briefing and the 2025 province-merge map

OtherOther

Requires authNot measured4 / 22Not checked yet
dev.dulieu/weather

Daily weather and forecasts for 70+ Vietnamese cities

Data & AnalyticsData access / search

Requires authNot measured4 / 22Not checked yet
io.github.ccedacero/nyc-property-intel

MCP server giving Claude AI access to 22+ NYC public-record databases for real estate due diligence

Real Estate & PropertyDatabase

Requires authOutdated checkNot measured4 / 22
io.github.ebrunet001/mcp-server-latest-news

Real-time global news, crypto, weather & earthquakes from 27 free APIs. No API keys required.

Finance & CryptoCode & DevOps

Requires authOutdated checkNot measured4 / 22
io.github.RAHULTRIPGAIN/tripgain-mcp-server

Corporate travel booking and expense management for TripGain, exposed as an MCP server.

TravelCode & DevOps

Requires authOutdated checkNot measured4 / 22
io.github.runrelay/mcp-relay

RunRelay MCP relay — AI agent threads, HITL confirmations, and travel capability discovery.

TravelCode & DevOps

Requires authNot measured4 / 22Not checked yet
io.myco2suite/carbon-intelligence

Verified CO2e for any transaction, activity, flight, shipment or CBAM import. 200+ countries.

TravelData access / search

Requires authNot measured4 / 22Not checked yet

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