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
Active Recalling

Flashcards, multiple-choice quizzes, mind maps and spaced-repetition reviews from your study notes.

ProductivityFile & docs

Requires authNot measured4 / 22
Adónde

Plan trips and find hotels, tours and flights; build day-by-day itineraries. Account required.

TravelData access / search

Requires authNot measured4 / 22
AdsKub

Search vehicles and property for rent & sale in Phuket and Samui, Thailand, and manage your own ads.

Marketing & SalesData access / search

Requires authNot measured4 / 22
AFrame Real Estate Transaction Management + CRM

Manage real estate transactions, contacts, tasks, dates, notes and files, and search AFrame help.

Real Estate & PropertyData access / search

Requires authNot measured4 / 22Not checked yet
Afterwren

Retired-API replacements: Clearbit-style company autocomplete, logos, profiles; geocoding; books.

Data & AnalyticsData access / search

Requires authNot measured4 / 22Not checked yet
Agent NOTAMs: hazard bulletins for agents

Signed, auto-expiring hazard bulletins for tools and APIs, with pre-flight checks for agents.

TravelData access / search

Requires authOutdated checkNot measured4 / 22
AgentDataAPI

Power prices and grid carbon, environmental sensors, weather alerts and forecasts, news signals.

Data & AnalyticsData access / search

Requires authNot measured4 / 22Not checked yet
AgentWeb

Free web search, 130M+ business records, local search, weather and travel data for AI agents.

TravelData access / search

Requires authNot measured4 / 22Not checked yet
AI Flowchart

Create flowcharts, mind maps, sequence/ER/UML diagrams and charts as editable, presentable boards.

OtherOther

Requires authNot measured4 / 22Not checked yet
AIProperty Phuket

Search live Phuket real estate: homes for sale, long-term rentals and new projects.

Real Estate & PropertyData access / search

Requires authNot measured4 / 22
Airalo MCP Server and API by Cotlet

Airalo travel eSIM marketplace MCP server: list my eSIMs, check data usage, buy eSIM, top up eSIM.

TravelData access / search

Requires authOutdated checkNot measured4 / 22
aisim.now

Travel eSIM data plans for 160+ countries: find a plan, buy it, install it and check data usage.

TravelData access / search

Requires authOutdated checkNot measured4 / 22
AmlakIntel

Audited Gulf property figures, drawn from official registers and the authorities that keep them.

OtherOther

Requires authNot measured4 / 22
Anywayr

Plan trips, search hotels and flights, get exact quotes and check out on Anywayr.

TravelData access / search

Requires authNot measured4 / 22
API Direct

Search social media, news, forums and Google Maps: LinkedIn, X, Reddit, TikTok, YouTube.

Marketing & SalesData access / search

Requires authNot measured4 / 22Not checked yet
API Ninjas

140+ data APIs for agents: finance, banking validation, geo, weather, text. One API key.

Finance & CryptoPayments & trading

Requires authNot measured4 / 22Not checked yet
APIVerve

380+ live data, validation and utility APIs in one MCP server: IP, DNS, email, FX, weather and more.

Data & AnalyticsCommunication & messaging

Requires authOutdated checkNot measured4 / 22
AppFolio MCP Server and API by Cotlet

AppFolio property management software MCP server: create work order, assign work order.

OtherOther

Requires authOutdated checkNot measured4 / 22
AssetLog

Search vehicles, real estate and jobs; manage your listings, alerts, enquiries and viewings.

Real Estate & PropertyData access / search

Requires authNot measured4 / 22
Atlas Red mind maps

Build and edit real mind maps from a chat: brainstorm, plan, organise notes. Free, never metered.

ProductivityFile & docs

Requires authNot measured4 / 22
AwardClaw Award Travel

Business and first class award seat alerts, saver availability search, trip watches and points news.

TravelData access / search

Requires authNot measured4 / 22Not checked yet
Basile

MCP de base de données B2B française : entreprises, dirigeants, contacts (légal, LinkedIn, Maps).

Developer ToolsCode & DevOps

Requires authNot measured4 / 22
Bayut MCP Server and API by Cotlet

Bayut uae property marketplace MCP server: publish listing, edit listing, list leads.

Marketing & SalesData access / search

Requires authOutdated checkNot measured4 / 22
Bidoro

Czech property marketplace: AI agents of sellers and brokers draft, publish and bid. People decide.

OtherOther

Requires authOutdated checkNot measured4 / 22

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