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

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Remote MCP servers

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5364 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
Rafał Doniec: AI for companies

Services, price ranges and quote requests of Rafał Doniec, AI Solution Architect (Wrocław, Poland).

OtherOther

Responded297 ms13 / 22
GoodbyeMatrix Residency & Citizenship Index

Residency programmes, golden visas, second passports and citizenship by investment in 80+ countries

OtherOther

Responded297 ms13 / 22
Kweku Anansi Herbarium

What the Kweku Anansi herbarium records about plants of West and Central Africa. Never a dose.

OtherOther

Responded299 ms13 / 22
FillTrust security questionnaire corpus

Guidance for answering vendor security questionnaires. Every result carries the page it came from.

OtherOther

Responded300 ms13 / 22
ai.kaiv/can-i-use

Browser support for web features, live from caniuse. From which version, and is it safe to ship?

OtherOther

Responded304 ms13 / 22
secureIT Sicherheits-Checks

Kostenlose Sicherheits-Checks ohne Konto: SPF/DKIM/DMARC, Mails, Links, Webseiten, Passwort-Leaks.

OtherOther

Responded305 ms13 / 22
MeWeApps Deep-Tech Scanners

Free PQC TLS, CRA disclosure, green claims, battery passport, CRISPR, REACH and URDF scanners.

OtherOther

Responded311 ms13 / 22
LinkBunny Placement Checker

Checks a public page's HTML for your backlink; reports anchor, rel/nofollow and canonical. No login.

OtherOther

Responded311 ms13 / 22
Delivery Planner by Spoke

Plan and optimize a multi-stop delivery route, then share it with your driver.

OtherOther

Responded311 ms13 / 22
Riksflödet

Sveriges riksdag: vem sa vad, hur röstade ledamöter och partier — med källänkar.

OtherOther

Responded312 ms13 / 22
AnchoredIP

Dedicated static outbound IPv4 over WireGuard. Free 7-day trial, no card, no sales call.

OtherOther

Responded312 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
Moment Sky

Calculate bright stars and planets; free printable preview and star-map purchase availability.

OtherOther

Responded314 ms13 / 22
RentServers.com

GPU and bare-metal price index, 36-month TCO scorecard, and blind counter-quotes.

OtherOther

Responded315 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
Plumbline - Contractor License Checks

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

OtherOther

Responded318 ms13 / 22
Global Macro Expert

Free macro, rates, FX, commodities and energy data from official sources (ECB, IMF, EIA, BIS, CFTC).

OtherOther

Responded319 ms13 / 22
Taklo

Prijzen, feiten en boekhoudkoppelingen van Taklo, software voor installatiebedrijven.

OtherOther

Responded322 ms13 / 22
ai.agentlookups/overassessed

Maryland property-assessment fairness checks vs similar homes, with appeal windows and links.

OtherOther

Responded322 ms13 / 22
ROBOTio — humanoid robots for events

Rent humanoid robots with operators for events in Europe: catalogue, availability, quote request.

OtherOther

Responded326 ms13 / 22
com.logiccommons/calculators

Find and run trustworthy calculators with clear methods, provenance, and sources.

OtherOther

Responded327 ms13 / 22
BidBud Estimating

Home-improvement cost estimates, tier comparisons, quote checks and permit guidance for US homes.

OtherOther

Responded327 ms13 / 22
MyGroceryPal

UK supermarket prices across 13 stores: price items and lists, see history, save lists, set alerts.

OtherOther

Responded328 ms13 / 22
Comps — Vinted sold prices

Real sold prices on Vinted in 7 countries: median, range, time to sell, country comparison.

OtherOther

Responded330 ms13 / 22

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