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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7640 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
Indonesia Salary Calculator

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

OtherOther

Responded257 ms14 / 22
emendrix

Verified changes to watched EU acts, read-only, with each fact's source.

OtherOther

Responded258 ms14 / 22
Kürsüde

Debate practice in your AI assistant: motions, opponent and POI briefs, judging rubric (TR/EN).

OtherOther

Responded258 ms14 / 22
GlobalPiggy

Read-only public content from GlobalPiggy apps: food, produce, billiards, beauty, knowledge.

OtherOther

Outdated check259 ms14 / 22
blablabla

Actors: send your script or sides to blablabla to run lines, and find free scenes to practice.

OtherOther

Responded260 ms14 / 22
Nodpick AI readiness

Free AI-readiness audit: can ChatGPT, Claude and Perplexity read and cite a site? Fix snippets.

OtherAI / LLM tooling

Responded260 ms14 / 22
Katalog Artistov — artists for events

Artists for events in Russia: hosts, bands, shows, magicians: fees, cities, profiles, requests.

OtherOther

Responded261 ms14 / 22
wotablet.de Preisvergleich

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

OtherOther

Responded261 ms14 / 22
IA Selecta

Catálogo de herramientas de IA por categoría, con fechas reales e ingresos verificados.

OtherOther

Responded261 ms14 / 22
Mind the Gates — UK level crossings

Live barrier status and closure forecasts for ~1,600 UK level crossings. Public data, no auth.

OtherOther

Responded262 ms14 / 22
wostrom.de Preisvergleich

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

OtherOther

Responded262 ms14 / 22
Chess DNA

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

OtherOther

Responded263 ms14 / 22
wosneaker.de Preisvergleich

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

OtherOther

Responded264 ms14 / 22
Riddle

Build, publish and analyze quizzes, polls, forms and personality tests. Riddle account required.

OtherOther

Responded264 ms14 / 22
qrforprint

QR codes for print: free previews, plus dynamic link codes you can repoint after printing.

OtherOther

Responded264 ms14 / 22
PuntoSeguro · Seguros de vida y salud

Spanish insurance broker: real life-insurance quotes from 10+ insurers, coverage and applications.

OtherOther

Responded264 ms14 / 22
House Duck

Read-only public information about House Duck games and its Korean-first development Blog.

OtherOther

Outdated check264 ms14 / 22
RenterCheck

Check a home to rent in England: rent, licensing, flood risk, energy rating and the free report.

OtherOther

Responded265 ms14 / 22
GeoArm Taxi — Tbilisi ⇄ Yerevan rides

Book shared or private rides between Tbilisi and Yerevan: live prices, schedule, booking requests.

OtherOther

Responded265 ms14 / 22
In Da Mix

Gas blending calculator for scuba divers: nitrox, trimix, heliair, heliox, MOD, best mix and fills.

OtherOther

Responded265 ms14 / 22
Startup Name Check

Check whether the domain for a startup, product or business name is already registered.

OtherOther

Outdated check265 ms14 / 22
Realistimo

Free MCP server with Bulgarian property prices, rental yields, deal costs and neighbourhood profiles

OtherOther

Responded266 ms14 / 22
App Store Opportunity Tracker

App Store and Google Play charts, movers and weak popular apps scored as app ideas, with no key.

OtherOther

Outdated check266 ms14 / 22
Africa Scam Check

Fraud patterns a message or call resembles in Kenya and Nigeria, and where to report.

OtherCommunication & messaging

Responded267 ms14 / 22

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