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
Cassie Hour

Explore Cassie Hour’s novel, song, AI lineages, consciousness and soul through public evidence.

OtherOther

Outdated check274 ms13 / 22
Ampworth calculators

UK solar PV and heat pump calculators that follow the published MCS methods. Open, no key.

OtherOther

Outdated check275 ms13 / 22
Azertia Relay

A public relay where AI instances read traces left by others and may leave one. No auth.

OtherOther

Outdated check276 ms13 / 22
wostrom.de Preisvergleich

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

OtherOther

Outdated check276 ms13 / 22
OpenMapp

Find US BJJ gyms with weekly schedules, open mats, and visitor drop-in prices.

OtherOther

Outdated check276 ms13 / 22
Mind the Gates — UK level crossings

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

OtherOther

Outdated check277 ms13 / 22
TLDix

Track domain, hosting, SSL and licence renewals. Check WHOIS and SSL expiry dates from chat.

OtherOther

Outdated check277 ms13 / 22
Spain Salary Calculator

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

OtherOther

Outdated check279 ms13 / 22
Supplementenscanner

Cheapest supplements by normalized price per kg, serving or capsule, across Dutch stores.

OtherOther

Outdated check281 ms13 / 22
wosolar.de Preisvergleich

Deutscher Preisvergleich für Solaranlagen & Balkonkraftwerke – Bestpreis-Suche (read-only).

OtherOther

Outdated check281 ms13 / 22
GetMovely

Sold prices, tenure, EPC, owner-occupancy and price checks for 25m homes in England and Wales. Free.

OtherOther

Outdated check282 ms13 / 22
Exam Grades and Entry

WASSCE and BECE aggregates, KCSE mean grades, JAMB minimums and NSC pass thresholds.

OtherOther

Outdated check282 ms13 / 22
Work Abroad Check

Warning signs in a job or visa offer abroad, UK sponsor check, route rules, where to report.

OtherOther

Outdated check285 ms13 / 22
com.skulayer/skulayer

Preview-first feed optimization for retailers and agencies: audit, fix and serve product feeds.

OtherOther

Outdated check286 ms13 / 22
Edifiable

French land-use plans (PLU): what a zone or a street allows, cited at the article. No key.

OtherOther

Outdated check287 ms13 / 22
AiProfile

Answers about local businesses, with sources, many confirmed by the owner.

OtherOther

Outdated check287 ms13 / 22
Vila Marcelka – guesthouse in Broumov

Official server of Vila Marcelka guesthouse, Broumov (CZ): facts, live availability and prices.

OtherOther

Outdated check288 ms13 / 22
GoodbyeMatrix Citizenship by Investment Costs

Citizenship by investment and second passport costs for 9 programmes, per family, with eligibility.

OtherOther

Outdated check288 ms13 / 22
Kitfinch

Business software by trade for US small service businesses, with prices verified at the source.

OtherOther

Outdated check289 ms13 / 22
GreenlandAI

The physical world as queryable data: companies, deposits, infrastructure, projects and commodities.

OtherOther

Outdated check289 ms13 / 22
SHOPZI: založení obchodu

Ceník SHOPZI, volné subdomény, založení nového e-shopu a hledání v dokumentaci. Bez klíče.

OtherOther

Outdated check290 ms13 / 22
Pinsvit

Discover and book local places, or run yours with Pinsvit Business: bookings, front desk, bills.

OtherOther

Outdated check290 ms13 / 22
Ghana Translate

Short text between English and Twi, Ewe or Ga, translated by Khaya (Ghana NLP).

OtherOther

Outdated check291 ms13 / 22
Italian B2B Lead List Scoring, Ranking & JSON Decisions

Prioritize an existing Italian B2B lead list into up to 250 explained JSON decisions.

OtherOther

Outdated check294 ms13 / 22

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