MCP HeartbeatTHE MCP OBSERVATORY
Public workspace

Explore

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.

Connect your agent

5356 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
brussels.toots/tickets

Agenda and ticketing for Toots Jazz Club, Brussels: browse concerts, check seats, reserve tickets.

OtherOther

Responded144 ms13 / 22
Portal Haras

Locales, oficinas y viviendas en pozo en Escobar, Argentina: datos, precios, guías y contacto.

OtherOther

Responded145 ms13 / 22
WebSpeed

Measure a page with PageSpeed Insights and compare it with its copy sped up by WebSpeed Fast.

OtherOther

Outdated check145 ms13 / 22
CheckFitment

Bolt patterns and wheel specs by vehicle, wheel and tire fitment, spacer and gear ratio maths.

OtherOther

Responded146 ms13 / 22
apartment.loans: apartment loan sizing

Size and compare financing for 5+ unit apartment buildings: DSCR, LTV, cash-out, bridge takeout.

OtherOther

Outdated check146 ms13 / 22
Dataroia Data Trust

Vérification B2B française : SIRET, SIRENE, dirigeants RNE, santé d'entreprise. Hébergé en France.

OtherOther

Responded147 ms13 / 22
iHelpU Seminovos — iPhones usados no RS

iPhones usados e seminovos à venda no RS (Brasil): estoque ao vivo, preços e 9 lojas iHelpU.

OtherOther

Responded147 ms13 / 22
Heimster – Swiss homes

Swiss homes to rent or buy, with walking distances, noise, sun and commute times for any address.

OtherOther

Responded148 ms13 / 22
Romania Salary Calculator

Romania salary 2026: net pay itemised, gross for a target net, employer cost, vs the Netherlands.

OtherOther

Outdated check148 ms13 / 22
Stockmarket Loans: broker margin rates

Published US broker margin rates by tier, ranked at any balance, with borrowing-cost math.

OtherOther

Outdated check149 ms13 / 22
Fix and Flip Loans: flip calculator and lender terms

Fix-and-flip profit calculator plus hard-money and DSCR lender terms by state.

OtherOther

Outdated check150 ms13 / 22
ALF Atlas: assisted living licensing, supply and HUD 232 loans

Assisted living licensing, supply and HUD 232 loans by US state, from state, CDC and HUD data.

OtherOther

Outdated check150 ms13 / 22
Moha: hire in the UAE

Hire in the UAE without a local company: guide, quotes and accounts via an Employer of Record.

OtherOther

Responded153 ms13 / 22
ru.activatedai/activated-ai

Советники по бизнес-методикам: подбор эксперта-методики под задачу и консультация.

OtherOther

Outdated check153 ms13 / 22
Year Fifteen: LIHTC Year 15 properties and exits

LIHTC properties reaching Year 15 by state and year, with dates and exit options.

OtherOther

Outdated check153 ms13 / 22
FrankoX

Verified opt-in trade profiles and consented manufacturer drafts; no private customer data.

OtherOther

Responded154 ms13 / 22
China Salary Calculator

China salary 2026: net pay itemised, gross for a target net, employer cost, vs the Netherlands.

OtherOther

Outdated check154 ms13 / 22
Bulgaria Salary Calculator

Bulgaria salary 2026: net pay itemised, gross for a target net, employer cost, vs the Netherlands.

OtherOther

Outdated check154 ms13 / 22
com.missionforhire/mission-quotes

Quote a proxy-presence mission: what a real person on the ground in city X costs.

OtherOther

Responded155 ms13 / 22
it.datituristici/datituristici

Dati turistici ISTAT di ogni comune italiano: presenze, arrivi, posti letto, popolazione.

OtherOther

Outdated check155 ms13 / 22
Tablero Despacho

Software de gestión para asesorías y despachos: tiques, horas, campañas e integración con su ERP.

OtherOther

Responded156 ms13 / 22
openwein.de — deutsche Weingüter und Weinfeste

German wineries, wine towns and wine festivals: 5.900 entries in 13 regions. Read-only, no key.

OtherOther

Responded157 ms13 / 22
What Led To

Living, source-backed timelines of long-running events, with a quote and source per entry.

OtherOther

Responded157 ms13 / 22
Turkey Salary Calculator

Turkey salary 2026: net pay itemised, gross for a target net, employer cost, vs the Netherlands.

OtherOther

Outdated check158 ms13 / 22

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