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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5313 servers

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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
Mandarin The Wild Reader

Read real Chinese word by word: each word's meaning in its sentence, its pinyin and its parts.

OtherOther

Responded140 ms13 / 22
YerevanEstate — Yerevan apartment prices

Yerevan, Armenia apartment prices: price per m² by district, street or point, rent, yields, deals.

OtherOther

Responded140 ms13 / 22
TrovaStorage

TrovaStorage.it è il marketplace per il self-storage. Cerca centri, schede per città. Sola lettura.

OtherOther

Outdated check140 ms13 / 22
Sideways

Use Sideways for unexpected questions and lateral thinking prompts to break through mental blocks.

OtherOther

Outdated check140 ms13 / 22
iParts Estonia Parts Catalogue

Read-only iParts Estonia auto parts catalogue: numbers, vehicles, categories, fitment, offers, oils.

OtherOther

Outdated check141 ms13 / 22
Blitzbuchen Reiseplaner

Reisepläne, Last-Minute-Checks und Vergleich eigener Angebote. Keine Livepreise oder Buchungen.

OtherOther

Outdated check141 ms13 / 22
LTD Turnaround UK Insolvency Data

UK company insolvency figures, winding-up petition counts and the insolvency practitioner register.

OtherOther

Outdated check142 ms13 / 22
needmoar.games

Ranks Steam games by how much players like them, learned from head-to-head duels.

OtherOther

Outdated check142 ms13 / 22
SCiMon.co RFQ Desk

Request quotes for custom parts, design services and box build from pre-vetted suppliers.

OtherOther

Responded143 ms13 / 22
France Salary Calculator

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

OtherOther

Outdated check143 ms13 / 22
brussels.toots/tickets

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

OtherOther

Responded144 ms13 / 22
Kamakura Trip Planner

Kamakura and Enoshima day plans, Enoden fares and passes, bloom dates, sights and walking times.

OtherOther

Outdated check144 ms13 / 22
996.fm perspective graph

Dated, attributed founder and investor positions — the disagreement, with timestamped receipts.

OtherOther

Outdated check144 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
Ferienwohnung Bruno – Garmisch-Partenkirchen

Ferienwohnung Garmisch-Partenkirchen: Infos, FAQ, Preise, Angebote, Verfügbarkeit, Preisrechner

OtherOther

Outdated check145 ms13 / 22
Dollea Cosmetics Salon

Find Dollea salon services, current offers and appointments in Munich, and book.

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
Pontis

Read-only public information about Pontis: what it does, its gatherings, content and focus.

OtherOther

Outdated check147 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

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