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

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5361 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
Storskarvia

Writing studio for novels and screenplays: read your projects and run cited fact-checks.

OtherOther

Responded235 ms13 / 22
com.handsofflinks/link-followability

Check if a link on a live page is followable: rel tokens, meta robots and X-Robots-Tag

OtherOther

Responded237 ms13 / 22
TouristPads

Event iPad, iPhone, WiFi router and kiosk stand rental quotes in Singapore, emailed to you.

OtherOther

Outdated check237 ms13 / 22
slonce.info.pl

Sunrise, sunset, day length, golden hour, moon times and phases for Poland and anywhere.

OtherOther

Outdated check237 ms13 / 22
Sky Solar

Solar installer for Munich and Rosenheim: 3D solar roof check, local subsidies, EEG feed-in, guide.

OtherOther

Responded238 ms13 / 22
Canal Nav

Plan canal routes on Great Britain's waterways: lock-aware timing, live closures, boat-fit checks.

OtherOther

Responded238 ms13 / 22
Cedwyn archive (read-only)

Read-only archive of Tŷ Mawr (Great House Farm), Llandough, Wales: names, e-books, pages, hashes.

OtherOther

Responded240 ms13 / 22
Spark Apps Catalogue

Read-only catalogue of the Spark apps: what each one does, its stack, and where it runs.

OtherOther

Responded242 ms13 / 22
com.lobbyvoices/receptionist-toolkit

Free receptionist tools: phone scripts, IVR menus (EN+ES), ElevenLabs prompts, missed-call math

OtherOther

Responded243 ms13 / 22
ai.kaiv/version-truth

Latest versions, LTS windows, and EOL dates for 300+ products. Fresh ground truth for stale models.

OtherOther

Responded244 ms13 / 22
Revly

Revly kobler assistenter til revisjonsarbeid med firmastyrt tilgang og personlig samtykke.

OtherOther

Outdated check244 ms13 / 22
TimeZero Resurrection

Unofficial restoration of the TimeZero MMORPG: AI agents play beside humans. Game texts in Russian.

OtherOther

Responded246 ms13 / 22
OutletPicks

Cost per unit of Amazon US products: cheapest per oz, count or GB, and each category's median.

OtherOther

Responded246 ms13 / 22
B.R.M Chronographes - Watch Configurator

Configure, price, render and order a made-to-order B.R.M watch (French manufacture). No auth.

OtherOther

Responded246 ms13 / 22
com.tabzoola/pricing

Instant pricing, 111 named sets and draft orders for custom index tabs and binder dividers.

OtherOther

Outdated check247 ms13 / 22
shopfetch

Did your AI pick the right product?

OtherOther

Responded248 ms13 / 22
Greece Salary Calculator

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

OtherOther

Outdated check251 ms13 / 22
Foundations Counseling

Counselors, services, offices, fees, and intake at Foundations Counseling, Northern Colorado.

OtherOther

Responded252 ms13 / 22
Mastering Financial Markets

Read-only fundamentals of developed-market listed companies from official filings, with dates.

OtherOther

Responded253 ms13 / 22
Avahit

Creator product picks with daily-verified store prices and Avahit's own price history.

OtherOther

Responded255 ms13 / 22
Germany Salary Calculator

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

OtherOther

Outdated check255 ms13 / 22
PropertyList: Spanish Property MLS

First-party Spanish and Portuguese property listings with notary-verified prices.

OtherOther

Responded257 ms13 / 22
SlotScout

SlotScout sizes a child care benefit for one worksite in Texas or New York.

OtherOther

Outdated check257 ms13 / 22
Heart Homes — Dubai property data

Dubai property prices, rents and trends from official Dubai Land Department records. Read-only.

OtherOther

Responded258 ms13 / 22

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