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
PropSWOT — Property Management AI

Property management AI: work orders, vendors, appliances, and triage for Claude and ChatGPT.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
Reach (Google Business Profile)

Hosted Google Business Profile MCP server: reviews, posts, profile edits, Maps rank. OAuth sign-in.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22
Residays

Your travel days per country and tax residency results, with planned trips you confirm.

TravelCode & DevOps

Requires authOutdated checkNot measured3 / 22
RymdenKollen — Swedish Space & Astronomy

Swedish space & astronomy: ISS passes, aurora forecasts, space weather, rocket launches, moon.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
SAFTI France Real Estate Agents

SAFTI France independent real estate advisors with phones, emails, city and sector, by region

Real Estate & PropertyCommunication & messaging

Requires authNot measured3 / 22Not checked yet
SERP API: Live Google Search Results

Google SERP API MCP: live Google, Bing, AI Overview and Google Maps results as JSON. Pay per call.

Developer ToolsData access / search

Requires authNot measured3 / 22Not checked yet
Signal Lab: free data for trading and AI agents

Search and export free market, macro, weather, news and OSINT data sources, with terms and skills.

Finance & CryptoPayments & trading

Not measuredNot measured3 / 22
Sitemap Extractor — Unique URLs, Indexes, Gzip & RSS Maps

Extract the URLs listed in a website's sitemaps, following indexes, gzip and RSS sitemaps

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
SQLite rebuild copy-map preflight

Structural preflight for SQLite table-rebuild copy maps.

Developer ToolsDatabase

Requires authNot measured3 / 22Not checked yet
Stream Estate

French real estate listings, market data and property alerts (Stream Estate API v2).

Real Estate & PropertyData access / search

Requires authNot measured3 / 22Not checked yet
Talk2Geo

Australian public geoscience data: drillholes, WAMEX reports, core scans, maps and prospectivity.

Developer ToolsCode & DevOps

Requires authOutdated checkNot measured3 / 22
Thinkstack

Governed map of company knowledge for humans + agents.

Developer ToolsCode & DevOps

Requires authNot measured3 / 22Not checked yet
TourismMCP

Travel in Germany (Tourismus): sights, events, opening hours and prices, weather and tides.

TravelData access / search

Requires authOutdated checkNot measured3 / 22
TRAME

Construction labour-hour estimates with durations, weather and contract model (French)

LegalKnowledge & memory

Requires authOutdated checkNot measured3 / 22
Travel World

Agent-native travel platform: read-only flight, hotel, and brand tools over MCP. OAuth sign-in.

TravelData access / search

Requires authOutdated checkNot measured3 / 22
UK Data for Agents

UK public data tools for agents: companies, tenders, property, stats, documents. No key to start

OtherFile & docs

Requires authNot measured3 / 22Not checked yet
UK Data: Airport weather (METAR and TAF)

Official airport weather: METAR observations and TAF forecasts from the NOAA Aviation Weather Center

TravelData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Protein data (UniProt)

UniProt protein data: find proteins, map genes to proteins, function and disease links

OtherOther

Requires authNot measured3 / 22Not checked yet
UK Data: Space weather and aurora

NOAA space weather: Kp index now and 3 days ahead, aurora chance anywhere, UK aurora outlook

Data & AnalyticsCommunication & messaging

Requires authNot measured3 / 22Not checked yet
UK Data: UK FCDO travel advice

UK FCDO travel advice for every country: warnings, entry requirements, safety and latest changes

TravelData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: UK places

UK postcode lookup, street-level crime, flood warnings, grid carbon intensity, bank holidays

Real Estate & PropertyData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: UK property

UK property: Land Registry sold prices and EPC energy certificates by postcode or address

Real Estate & PropertyData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: UK trade, property and planning

UK trade tariff codes and duties, HMRC exchange rates, house price index, planning, CQC

Real Estate & PropertyData access / search

Requires authNot measured3 / 22Not checked yet
UK Data: Weather and places

Weather now and 9-day forecasts anywhere (MET Norway) and Great Britain place-name lookup

Data & AnalyticsData access / search

Requires authNot measured3 / 22Not checked yet

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