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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1442 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
BlinkCodes catalog

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

TravelData access / search

Outdated check87 ms14 / 22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Outdated check123 ms14 / 22
Agent Vending Factory

Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.

Finance & CryptoPayments & trading

Responded131 ms14 / 22
German Real Estate Depreciation & Restnutzungsdauer

German property depreciation (AfA), Restnutzungsdauer, Kaufpreisaufteilung & appraisals via AfAMax

Real Estate & PropertyData access / search

Outdated check135 ms14 / 22
Propertyware MCP by usefulapi

Read Propertyware properties, leases and work orders; add maintenance tasks and comments.

Developer ToolsCode & DevOps

Responded142 ms14 / 22
MapMap

Maps for agents: truck/ADR routing, geocoding, places, matrices, isochrones, EV and fleet planning.

Data & AnalyticsData access / search

Outdated check147 ms14 / 22
HomeMortgageOnline mortgage tools

Read-only mortgage calculators and the site's published rate snapshot.

Real Estate & PropertyData access / search

Outdated check151 ms14 / 22
TrustyData

French address quality, geocoding, routing, company lookup & catchment stats (BAN, INSEE, OSM).

Data & AnalyticsData access / search

Outdated check157 ms14 / 22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Outdated check161 ms14 / 22
HotelsCasa

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

TravelData access / search

Outdated check164 ms14 / 22
Global Weather (MET Norway)

Current weather and 7-day forecast for any place (MET Norway). $0.006/call via x402.

Developer ToolsCode & DevOps

Outdated check170 ms14 / 22
Austria Property

Austrian property costs, buy-to-let underwriting, income tax and rent caps, cited to the statute

LegalCode & DevOps

Outdated check172 ms14 / 22
io.github.openvancamp/openvan-travel

Vanlife & RV data: roadbooks, fuel, tolls, ferries, visas, holidays, hazards, weather. openvan.camp

TravelCode & DevOps

Outdated check185 ms14 / 22
ai.autonomad/travel

AI travel agent — book flights, hotels, activities, and events worldwide via autonomad.ai.

TravelData access / search

Responded203 ms14 / 22
Mortgage Rates Today MCP

Mortgage rates today: Freddie Mac weekly 30 and 15 year fixed averages, history and payment math.

Real Estate & PropertyPayments & trading

Outdated check206 ms14 / 22
io.github.slookisen/opplevagent-mcp

Norwegian experiences marketplace MCP: activities by county, category, weather, season, group size.

Developer ToolsCode & DevOps

Outdated check216 ms14 / 22
peaks.fyi — Mountain Routes, Huts & Weather

European mountain routes, huts, access and forecasts with sources and explicit unknowns.

Data & AnalyticsData access / search

Outdated check237 ms14 / 22
Arthur Online MCP by usefulapi

Read Arthur properties, units and tenancies; track maintenance and add tasks or notes.

ProductivityFile & docs

Responded250 ms14 / 22
Agro API MCP by usefulapi

Read satellite, NDVI, weather and soil data; create and delete fields in Agro API.

Data & AnalyticsData access / search

Responded250 ms14 / 22
C4C: Mortgage Industry Regulations

Verbatim U.S. mortgage regulatory text with citations and effective dates. Read-only, no sign-in.

LegalKnowledge & memory

Outdated check254 ms14 / 22
Jenesis Travel

Bangkok boutique planner: live Thailand journeys, prices, FAQs, and enquiry handoff.

TravelData access / search

Outdated check282 ms14 / 22
Travel Check

UK and US government travel advice for a country, plus live delays and weather at an airport.

TravelData access / search

Outdated check286 ms14 / 22
Greca House: Greek Property

Greca House listings, details, dated asking-price research, budget context and resale cost estimates

OtherOther

Outdated check308 ms14 / 22
Ad Angle Map

See how competitors position a product before you write ads.

Marketing & SalesData access / search

Outdated check324 ms14 / 22

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