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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5418 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
AVATALKS

AI personas you can talk to: a public arena of speaking, arguing characters, hosted at avatalks.app.

OtherOther

Responded133 ms12 / 22
Responded135 ms12 / 22
Aerset · normativa de drones en España

Normativa española de drones con fuente y fecha por regla: pasajes citables, zonas UAS, requisitos.

OtherOther

Responded137 ms12 / 22
dk.humanified/trinity-research

Fact-check claims against live web sources: verdict, consensus, cited sources, PII redaction.

OtherOther

Responded138 ms12 / 22
Paw Multiverse pet food recalls

Pet food recalls from US, UK, Canadian and French registers, kept after removal.

OtherOther

Responded141 ms12 / 22
SubmitCheck launch directories

Find live startup/SaaS/AI launch directories, with submit URL and free/badge/queue/paid status.

OtherOther

Responded141 ms12 / 22
slashyear - sourced history

Sourced history by year: events, world leaders, prices and No. 1 songs, each with its source.

OtherOther

Responded146 ms12 / 22
Shibui Finance

9,900+ US equities, 64 years of prices, financials, technicals, and earnings. Ask in plain English.

OtherOther

Responded150 ms12 / 22
Usage Bill Reconstructor

Recomputes a usage-based bill from a customer-supplied tariff (graduated per-meter tiers, optiona...

OtherOther

Responded150 ms12 / 22
Tenderfix

Open UK and EU public tenders (Find a Tender, TED) with go/no-go screening. Paid tier via L402.

OtherOther

Responded159 ms12 / 22
EU EN-16931 & XRechnung Deterministic Validator

Official KoSIT EN 16931 & XRechnung XML validator issuing signed Ed25519 VCs. Zero retention.

OtherOther

Responded160 ms12 / 22
Paw Multiverse animal poison services

Which animal poison service to call in a country, and whether it takes public calls.

OtherOther

Responded160 ms12 / 22
Akay trade offers (akay.ie)

Live B2B FMCG wholesale offers from Akay (IRL) Ltd: spirits, wine, beer, groceries, cosmetics.

OtherOther

Responded161 ms12 / 22
sexpreparat.ru

sexpreparat.ru catalog: articles, research, reader Q&A, blogs on sex & health, 6 languages.

OtherOther

Responded167 ms12 / 22
Kariwood Product Knowledge

Kariwood product specifications and technical sources in Turkish, English, Russian and Arabic.

OtherOther

Responded168 ms12 / 22
Text Tools

Exact character/word counting, reversal, palindrome checks, indexing, sorting; Unicode-safe.

OtherOther

Responded177 ms12 / 22
RUNaDIVA

Autonomous Decision Intelligence for evaluating economic decisions before value is committed.

OtherOther

Responded179 ms12 / 22
GeoQuant Orb

Read-only energy/geo radar: chokepoints, energy impact, regime, blackboard, scenarios, forecasts

OtherOther

Responded180 ms12 / 22
PrijsProfeet Deutschland

German supermarket deals and regular prices (Aldi, Lidl, Kaufland, Penny...): where it's cheapest.

OtherOther

Responded186 ms12 / 22
Thor Henning Hetland — signed knowledge web

Thor Henning Hetland's signed knowledge web: plan, load and verify ed25519-signed KCP units.

OtherOther

Responded188 ms12 / 22
Signal Band decision engines

Evidence-weighted decision engines: AI business cases, venture readiness, free soundchecks.

OtherOther

Responded188 ms12 / 22
Estimatiz

French property estimates from DVF sales, with price range, limitations and a shareable report.

OtherOther

Responded189 ms12 / 22
APIShed

Validates PESEL/NIP/REGON/IBAN/Luhn/ISBN/EAN/BIC/VAT; RPN, dates, hash, tokens, random, encode, time

OtherOther

Responded189 ms12 / 22
Allcams live cams

Live cam rooms online now on Stripchat, Chaturbate, Cam4, LiveJasmin, BongaCams: categories, models.

OtherOther

Responded191 ms12 / 22

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