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
audit.domains - Domain Valuation

Deterministic domain name valuation: fair-value interval, scored factors, real comparable sales.

OtherOther

Outdated check295 ms13 / 22
ClusterHack

Run hackathons end to end: events, teams, submissions, judging and winners.

OtherOther

Outdated check296 ms13 / 22
Matchmaker Frankfurt

Dating-Fotoshooting Frankfurt: Pakete und bestätigte, unverbindliche Anfragen an Mark Olenberg.

OtherOther

Outdated check296 ms13 / 22
mygn & rundown.city – Events Hamburg, München, Oldenburg, San Francisco

Events & things to do in Hamburg, Munich, Oldenburg, San Francisco: tonight, weekend, free, family.

OtherOther

Outdated check300 ms13 / 22
FanLine Wire — Real-Time FanDuel Odds

Live and prematch FanDuel odds, price drops and feed health. No key, no signup.

OtherOther

Outdated check300 ms13 / 22
pound.one

UK inflation, take-home pay and public spending calculators with sources and shareable results.

OtherOther

Outdated check301 ms13 / 22
wokonsole.de Preisvergleich

Deutscher Preisvergleich für Spielekonsolen – Bestpreis-Suche (read-only).

OtherOther

Outdated check301 ms13 / 22
Internet Outage Checker by FindBroadband

Is my broadband down? Live UK provider status and the last 30 days of outages

OtherOther

Outdated check304 ms13 / 22
Subdomain API

Find known subdomains of a domain. Passive data; may include historic entries. List or count.

OtherOther

Outdated check305 ms13 / 22
ScentVerdict

Fragrance catalogue with verdicts, similarity scores, scent profiles, drydowns and local prices.

OtherOther

Outdated check311 ms13 / 22
Ghana Contacts

Customer-care and emergency numbers in Ghana, each read on the organisation's own website.

OtherOther

Outdated check311 ms13 / 22
POKEKA — Pokémon Card Prices

Real sold prices, history & PSA population for graded Pokémon cards (EN/JP/CN). Knows nicknames.

OtherOther

Outdated check312 ms13 / 22
StoryFan

Public info about StoryFan (story viewers app): what it is, plans, downloads, opt-out. Read-only.

OtherOther

Outdated check313 ms13 / 22
TradeStar Insider

Filing-verified SEC EDGAR insider (Form 4), 13D, 13F & 8-K data, no sign-in. Verify any claim.

OtherOther

Outdated check315 ms13 / 22
Pflasterlux Preisrechner

Preise für Steinreinigung, Fugen und Heckenschnitt in Schleswig-Holstein und Hamburg.

OtherOther

Outdated check315 ms13 / 22
Comparr

Compare prices across French merchants, with recorded price history and verified price drops.

OtherOther

Outdated check316 ms13 / 22
Plumbline - Contractor License Checks

Free contractor-license checks from official state records; a no-match never proves unlicensed.

OtherOther

Responded318 ms13 / 22
heidi.living furnished stays

Furnished monthly stays in Los Angeles: regions, application links, answers. Read-only, no sign-in.

OtherOther

Outdated check321 ms13 / 22
SnackTurn

Find browser games, read their rules, and get daily challenge links in English or Chinese.

OtherOther

Outdated check322 ms13 / 22
Ghana Services

Plumbers, electricians and phone repairers in Greater Accra confirmed by a person, by area.

OtherOther

Outdated check322 ms13 / 22
QuiRecrute — offres d'emploi en France

Offres d'emploi en France (sites carrière et autres sources), sans compte. Job offers in France.

OtherOther

Outdated check324 ms13 / 22
SteamGPT

Steam profiles, SteamID conversion, bans, FACEIT stats, friends and comparisons. Free, no API key.

OtherOther

Outdated check325 ms13 / 22
Larkella

Facts about Larkella, the AI receptionist and assistant for small business. Read-only.

OtherOther

Outdated check326 ms13 / 22
com.electricskateboard/electricskateboard

Live prices for e-skateboards, onewheels, scooters and e-bikes: buy now or wait, with the evidence.

OtherOther

Outdated check327 ms13 / 22

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