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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5788 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
Wellemo — online tests and quizzes

Create online knowledge tests and quizzes, share a link, see results. Search ready-made tests.

OtherData access / search

Outdated check179 ms13 / 22
Vergabeweiser

German public tenders and contract awards: search, deadlines, winners, market figures. Open data.

LegalData access / search

Outdated check180 ms13 / 22
Ginesys MCP by usefulapi

Look up items; create sales orders; reserve and cancel order stock in Ginesys.

Finance & CryptoData access / search

Outdated check180 ms13 / 22
Kampyeri Kamp Arama

Live read-only search for verified campsites in Turkey. Book on kampyeri.org.

Developer ToolsData access / search

Outdated check181 ms13 / 22
MotorSingh Used Cars India

Search ~1.5M used cars for sale across India by city, brand, model, price and year.

OtherData access / search

Outdated check181 ms13 / 22
Unfrozen Atlas of the Middle

Graded research on middle managers and change: search studies, get fact-checked answers.

OtherData access / search

Outdated check182 ms13 / 22
BikeTheRail

Look up U.S. rail-trails: search, nearby trails, trail facts, trailheads and closures.

OtherData access / search

Outdated check182 ms13 / 22
Best Ceremonies

Prices, travel estimates, areas and paperwork for Best Ceremonies, a celebrant near Murwillumbah.

TravelData access / search

Outdated check182 ms13 / 22
ai.autonomad/travel

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

TravelData access / search

Outdated check182 ms13 / 22
BuildBatch

UK DIY shopping lists for one room: paint, wallpaper, tiles, flooring and more, in real packs.

E-commerceData access / search

Outdated check183 ms13 / 22
4ai – premium .ai domains for sale

Search 254 premium .ai domains for sale, get free .ai value estimates and real .ai sales data.

OtherData access / search

Outdated check183 ms13 / 22
APKCube

Search Android apps, check APK signing and scans, and get verified APK download links.

OtherData access / search

Outdated check185 ms13 / 22
Lettance

Landlord rules for England by postcode: council licensing, the landlord register and the law, cited.

Real Estate & PropertyData access / search

Outdated check186 ms13 / 22
migrationagent.review

Find registered Australian migration agencies by location, read profiles, look up agents by MARN.

Developer ToolsData access / search

Outdated check188 ms13 / 22
apteka.online

Polish online pharmacy apteka.online: products, prices, shop policies and the medicines register.

HealthcareData access / search

Outdated check188 ms13 / 22
MCPFax Macro & Market Intelligence

Prices and rates that state when they were observed, so you know what you are trusting.

Finance & CryptoData access / search

Outdated check188 ms13 / 22
Fortitude21 Dangerous Goods and Packaging Tools

Dangerous goods packaging calculators plus search and quote tools for Fortitude21's container range

OtherData access / search

Outdated check188 ms13 / 22
msza.ai — Polish Catholic Sermons ✝

Search public Polish Catholic sermons, transcripts, Scripture, prayers, churches and daily content.

OtherData access / search

Outdated check188 ms13 / 22
Vesremont

Vesremont catalog, product search and buyer-authorized shopping operations.

E-commerceData access / search

Outdated check189 ms13 / 22
Awesome Indie

Search indie product launches, rankings and makers, and submit your own, on Awesome Indie.

Developer ToolsData access / search

Outdated check189 ms13 / 22
SocialHive

Social media management, multi-platform publishing, AI generation, and cross-channel analytics.

Marketing & SalesData access / search

Outdated check190 ms13 / 22
Levels Custom Apparel

Search and price UK custom embroidered and printed clothing. Orders finish on the site.

OtherData access / search

Outdated check191 ms13 / 22
Absorption: senior housing development demand, supply and math

Senior housing demand vs. licensed beds by state and county, CON, HUD 232, development calc.

Real Estate & PropertyData access / search

Outdated check192 ms13 / 22
Syndicate

Read-only market data: tokens, stocks, Hyperliquid perps, Polymarket, and public trader books.

Finance & CryptoData access / search

Outdated check194 ms13 / 22

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