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
Patrick Vieira

Patrick Vieira, platform engineer in London: profile, work, skills, intros and booking a call.

OtherOther

Outdated check75 ms13 / 22
Screenbird

Manage Screenbird digital signage screens: see what is live, show content, create designs.

OtherOther

Outdated check75 ms13 / 22
app.agendaforge/agendaforge

Event management for organizers: events, sessions, speakers, agendas, forms, approval-gated writes.

OtherOther

Responded76 ms13 / 22
RichProof

Validate JSON-LD structured data against the Schema.org vocabulary. Free; never fetches URLs.

OtherOther

Outdated check76 ms13 / 22
Measured Size

Bra sizes from measurements, in each brand's own labels, with the confidence behind each.

OtherOther

Outdated check76 ms13 / 22
Pristavla – Norwegian prices / norske priser

Norwegian prices and what they consist of, from open data. Norske priser fra åpne kilder.

OtherOther

Outdated check77 ms13 / 22
CaliberAPI Pistol Optic Fit

Source-cited pistol red dot compatibility: direct fits, adapter plates and optic footprints.

OtherOther

Outdated check77 ms13 / 22
SentryFi - Wi-Fi Safety

SentryFi Wi-Fi safety app (App Store, Google Play): who is on my Wi-Fi, public Wi-Fi risk.

OtherOther

Outdated check78 ms13 / 22
Breatho & Friends

Calm-down ideas for kids' tricky moments: bedtime, haircuts, the dentist. By Breatho & Friends.

OtherOther

Outdated check79 ms13 / 22
DatoQA — Historical Exchange Rates

Historical reference FX and dated conversions across 30 currencies, with source dates and evidence.

OtherOther

Outdated check80 ms13 / 22
Experience Bamfield

Plan and price trips to Bamfield, BC, and build the guest's cart link. Read-only; no key to connect.

OtherOther

Outdated check80 ms13 / 22
ConsoleMouse profiles

Write and check ConsoleMouse profile files: format, validator, plain-language preview, import code.

OtherOther

Outdated check80 ms13 / 22
ClockInToday: No-Interview Jobs

Requirements and pay for 112 US jobs and gig apps you can start without an interview

OtherOther

Outdated check80 ms13 / 22
Nadveo — book air-conditioning service

Find air-conditioning service companies and book a visit: prices, free times, error-code hints.

OtherOther

Outdated check81 ms13 / 22
Wireless Choices Plan Finder

Compare Australian mobile, prepaid, mobile broadband and nbn plans listed on Wireless Choices

OtherOther

Outdated check81 ms13 / 22
BaldFade

List the bald, buzz cut and fade hairstyles BaldFade can preview. Read-only, no account needed.

OtherOther

Outdated check82 ms13 / 22
se.aapl/nyheter

Svenska Apple-nyheter sedan 2008 — AI-sammanfattningar, sökning, story-bevakningar och Aapl Pod.

OtherOther

Responded83 ms13 / 22
HrefGate

Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs.

OtherOther

Outdated check83 ms13 / 22
Untilfree - FIRE Calculator

Untilfree FIRE app (App Store, Google Play): your freedom date and FIRE retirement numbers.

OtherOther

Outdated check83 ms13 / 22
AI Anyone

Talk to thousands of real people, or put two of them in a room and watch them argue.

OtherOther

Outdated check83 ms13 / 22
Kipra Rent A Car

North Cyprus car rental (Kıbrıs araç kiralama): live availability, prices, company info, booking.

OtherOther

Outdated check84 ms13 / 22
Octagon Cards

Find UFC cards, read saved estimates and recorded sales, and compare sales of related editions.

OtherOther

Outdated check84 ms13 / 22
Awwab Qibla & Quiz

Qibla direction from anywhere, with a live compass link, and an Islamic knowledge quiz. By Awwab.

OtherOther

Outdated check84 ms13 / 22
Moja Serowarnia: kultury i przepisy na sery

Przepisy na sery i baza kultur z polskich sklepów (ceny, zamienniki).

OtherOther

Outdated check85 ms13 / 22

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