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
Cape Partners Exchange

Read-only M&A deal flow: ranked targets and buyers, valuations, and specialist partner services.

OtherOther

Responded285 ms14 / 22
Porchlight: 2-4 unit loan limits and owner-occupant math

FHA and conforming 2-4 unit loan limits by county, plus owner-occupant house-hack math.

OtherOther

Responded286 ms14 / 22
FanLine Wire — Real-Time FanDuel Odds

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

OtherOther

Responded286 ms14 / 22
CitedIndex

Look up AI-visibility and GEO tools: price, AI engines covered, limits and a source for each fact.

OtherData access / search

Responded286 ms14 / 22
Ampworth calculators

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

OtherOther

Responded286 ms14 / 22
com.tabzoola/pricing

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

OtherOther

Responded287 ms14 / 22
com.talktoaleksandra/consultations

Published consultation details, live availability and booking handoff for Russian-language sessions.

OtherOther

Responded287 ms14 / 22
Vigi-Sky

Factual sky for AIs: ISS, auroras, archives. Never confuses unexplained with extraterrestrial.

OtherOther

Responded288 ms14 / 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

Responded288 ms14 / 22
AiProfile

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

OtherOther

Responded288 ms14 / 22
Hostbrid Discovery

Search Hostbrid public docs and published hosting plans. No account or API key required.

OtherData access / search

Responded290 ms14 / 22
Pinsvit

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

OtherOther

Responded291 ms14 / 22
rust.wiki

Live data for the game Rust: skin prices and history, items, item store, loot tables, servers.

OtherKnowledge & memory

Responded292 ms14 / 22
contractors.fyi

US contractors ranked by city permits, permit costs and timelines, solar and generator sizing.

OtherOther

Responded292 ms14 / 22
wosolar.de Preisvergleich

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

OtherOther

Responded292 ms14 / 22
wokonsole.de Preisvergleich

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

OtherOther

Responded292 ms14 / 22
GoodbyeMatrix Citizenship by Investment Costs

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

OtherOther

Responded292 ms14 / 22
RaspberryPints MCP by usefulapi

Read taps, beers and pours; add beers and tap them in RaspberryPints.

OtherOther

Responded292 ms14 / 22
Edifiable

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

OtherOther

Responded293 ms14 / 22
LP Pool Check

Read a liquidity pool's volume, TVL and fee APR over 1 and 7 days, and spot a short APR spike.

OtherOther

Outdated check293 ms14 / 22
SHOPZI: založení obchodu

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

OtherOther

Responded294 ms14 / 22
RYC yacht charter deals

Live discounted yacht charters in 11 destinations: search, price checks, trip cost, routes.

OtherData access / search

Responded294 ms14 / 22
Outreach Desk

Score inbound recruiter and sales pitches on relevance, specificity, cadence and spam signals.

OtherOther

Outdated check294 ms14 / 22
Kitfinch

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

OtherOther

Responded295 ms14 / 22

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