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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5233 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
Car Listing Check

Check supplied vehicle listings for completeness and presentation, with a score and concrete fixes.

OtherOther

Outdated check168 ms13 / 22
Quant Daily

Daily verified GRE and GMAT quant drill: graded answers, hints and worked solutions.

OtherOther

Outdated check168 ms13 / 22
Miss Yera: IA para empresas

IA para empresas y cursos de Miss Yera: servicios, cotizador, diagnóstico, academia y cursos.

OtherOther

Outdated check169 ms13 / 22
DREAMHALL

Human-authored personal context before AI guidance, built through private structured reflection.

OtherOther

Outdated check169 ms13 / 22
EU Money

Magyar uniós pályázatok, feltételek, összegek, határidők és útmutatók forrásolt keresője.

OtherOther

Outdated check171 ms13 / 22
Fluentoo TOEIC

Préparation au TOEIC : score et niveau CECRL, format des 7 parties, guides et test gratuit.

OtherOther

Outdated check172 ms13 / 22
Nashville Gutter Guards Co — book gutter guard installation in Nashville

Book gutter guard installation in Nashville, TN: prices, ZIP coverage, free callback.

OtherOther

Outdated check173 ms13 / 22
PrepSheet

Read-only kitchen costing, recipe scaling, UK GP, starter menus, and prep lists for chefs.

OtherOther

Outdated check173 ms13 / 22
MAX Data Value Check

Is your business data licensable? Free readiness score, rights checklist, owner handoff to MAX.

OtherOther

Outdated check175 ms13 / 22
Modelmeter

The changelog of record for the AI stack: sunset checks, deprecations, pricing, and model events.

OtherOther

Outdated check175 ms13 / 22
ShipMyCar Vehicle Logistics Quote Connector

UK/EU and international car transport quotes with HMRC, IVA, DVLA and logistics costings.

OtherOther

Outdated check177 ms13 / 22
SpotWave electricity prices

Live day-ahead electricity prices for 40+ European markets, all-in with taxes and VAT.

OtherOther

Outdated check177 ms13 / 22
Thailand Stay Plan

Thailand visa finder: routes ranked, rules per route, comparisons, entry rules, offices, sourced.

OtherOther

Outdated check177 ms13 / 22
FirstPass Memo listing check

Red-flag check for business-for-sale listings: payback, asking multiple, flags, seller questions.

OtherOther

Outdated check177 ms13 / 22
PlanElec Calculators

Free AREI cable sizing, Synergrid C10/26 inverter check, LED strip calculator. No account.

OtherOther

Outdated check177 ms13 / 22
AlertsBar

Domain exposures: breaches, infostealers, ULP heap, cookies. Counts and samples, free.

OtherOther

Outdated check177 ms13 / 22
Greener Ahead: CSRD and VSME rules

Check whether CSRD applies after the 2026 simplification; read official VSME and ESRS disclosures.

OtherOther

Outdated check178 ms13 / 22
Stalsoft – Dr. Alex Stolz, IT- und KI-Beratung

Öffentliche Inhalte von stalsoft.com: Profil, Leistungen, FAQ, Publikationen, Kontakt, Suche.

OtherOther

Outdated check179 ms13 / 22
Corporate Gift Picks

Corporate gift ideas by budget and recipient, USPS holiday ship-by dates and a gift budget tool.

OtherOther

Outdated check179 ms13 / 22
Softician Notary Exam Prep

Fetch real California Notary Public exam practice questions and grade answers in-chat.

OtherOther

Outdated check180 ms13 / 22
NuActueel

Verse gegevens over Nederland: activiteiten, vacatures, verkeer, files, storingen en prijzen.

OtherOther

Outdated check180 ms13 / 22
SNF Register: nursing home owners, CMS ratings and HUD 232 loans

US nursing home owners, CMS ratings and matched HUD 232 loans, plus a 232 refinance sizer.

OtherOther

Outdated check180 ms13 / 22
Bullion Price Check

Gold/silver price aggregator, 19 free tools. Custom versions: bullionpricecheck.com/contact/

OtherOther

Outdated check180 ms13 / 22
CurrencyGuard Guard Pricing

FX protection for SMEs — price Guards, live spot/forward rates, settlement dates, and more.

OtherOther

Outdated check181 ms13 / 22

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