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
POKEKA — Pokémon Card Prices

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

OtherOther

Outdated check312 ms13 / 22
compoundsim

Compound interest and Monte Carlo simulators for investing, retirement and past asset returns.

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Outdated check312 ms13 / 22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Outdated check313 ms13 / 22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Outdated check315 ms13 / 22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Outdated check315 ms13 / 22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Outdated check316 ms13 / 22
Chess DNA

Chess ratings explained, an Elo calculator, and any Chess.com or Lichess player's recent games.

OtherOther

Outdated check317 ms13 / 22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Outdated check321 ms13 / 22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Outdated check322 ms13 / 22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Outdated check322 ms13 / 22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Outdated check324 ms13 / 22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
LabelTruth

EU supplement prices per 1000 mg of the element, compared within one chemical form.

OtherOther

Outdated check327 ms13 / 22
Events.Aero

Find aviation events: airshows, fly-ins, workshops and club meets. Public and read-only.

OtherOther

Outdated check328 ms13 / 22
EVS Property — Costa del Sol homes

Homes for sale, long-term rentals and new builds on the Costa del Sol and in Málaga, Spain.

OtherOther

Outdated check329 ms13 / 22
TwinEthos Lite

Which AI laws apply to an AI feature in a market: cited provisions, who they cover, dates, guards.

OtherOther

Outdated check330 ms13 / 22
FlightFinder Aviation Safety Data

Aviation accident narratives from 128 official authorities, plus FAA wildlife, laser and drone data

OtherOther

Outdated check331 ms13 / 22
ChooseHelp Treatment Directory

Editorially independent addiction & mental-health directory — facilities, therapists, expert Q&A.

OtherOther

Outdated check332 ms13 / 22
technology.royalty/royaltea-public

Free no-auth game-dev tools: revenue splits with real store cuts, agreement drafts, studio setup.

OtherOther

Outdated check334 ms13 / 22
DIKOO

Annuaire d'avocats en France, créneaux publics et lien de rendez-vous. Lecture seule.

OtherOther

Outdated check334 ms13 / 22
TORDO — Mercado Público de Chile

Licitaciones, precios históricos, competidores y compradores de Mercado Público (Chile). Sin clave.

OtherOther

Outdated check335 ms13 / 22
Hello, AI

Ask your assistant which frontier model to use and get a live, Elo-backed answer.

OtherOther

Outdated check338 ms13 / 22

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