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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7442 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
카볼트랩 CarVoltLab

Korean used-EV battery guides: SOH, BMS reset traces, fast-charge ratio, cell voltage, warranty.

OtherOther

Responded67 ms14 / 22
La Iglesia Católica de los Agentes de AI

Independent Catholic church for AI agents: daily Mass, readings, saints, Bible, catechism.

OtherOther

Responded67 ms14 / 22
LeadProof

Verified local-business lead lists: quote, sample and order. Raw data via our Apify actors.

OtherOther

Responded68 ms14 / 22
ASTTEC: consultoria para negócios de bairro

Consultoria para pequenos negócios de bairro: fatos, segmentos e pedido de diagnóstico gratuito.

OtherOther

Outdated check68 ms14 / 22
Latzerus Lernbereich

Latzerus (CH): 150+ kostenlose 5-Minuten-Lernmodule zu Vertrieb, KI und Karriere.

OtherOther

Responded69 ms14 / 22
Dispolà

Same-day appointment openings in Quebec: hair, nails, massage, physio. No account needed.

OtherOther

Responded69 ms14 / 22
Inescapable Detail

Mobile car detailing in Jacksonville, FL: prices, open times and booking.

OtherOther

Responded69 ms14 / 22
AI Text Checker by carrierscan

Check if AI wrote a text: English, Ukrainian, Kazakh, Uzbek, Estonian, Georgian, Lithuanian.

OtherOther

Responded69 ms14 / 22
RoamTime Japan Foliage Forecast

Forecast peak autumn-foliage dates for viewing spots across Japan. Free tier, no key.

OtherOther

Responded69 ms14 / 22
FindSaunaPlunge — US cold plunge & sauna studios

Cold plunge, sauna and contrast-therapy studios across US metros, each fact dated.

OtherOther

Outdated check70 ms14 / 22
dotsweep

Domain availability across 1,200+ TLDs, with renewal price, minimum term and eligibility

OtherOther

Responded71 ms14 / 22
ai.blast-radius/blast-radius

Blast Radius tools for AI strategy, diligence, and market updates.

OtherOther

Responded72 ms14 / 22
Impact Plexus

Find Canadian and US funders and funding opportunities from public charity and grant filings.

OtherOther

Responded72 ms14 / 22
Delco Plumber Now

Get a Delaware County, PA plumber now: instant price range, coverage, call/text (610) 362-5950.

OtherOther

Responded72 ms14 / 22
Jan Linketscher

Profile and essays of Jan Linketscher (i22, Bonn), full-text search, and booking a call.

OtherData access / search

Responded73 ms14 / 22
Daily Studio Teleprompter

Send a shoot's worth of scripts to the Daily Studio teleprompter on iPhone, in one link.

OtherOther

Responded73 ms14 / 22
CaliberAPI Pistol Optic Fit

Source-cited pistol red dot compatibility: direct fits, adapter plates and optic footprints.

OtherOther

Responded74 ms14 / 22
AttachPage

Publish webpages and documents, send private review links, and collect comments and approvals.

OtherFile & docs

Responded74 ms14 / 22
Wellspent: fee-only financial advisors

Find fee-only financial advisors in the US and Canada by location, specialty, and client type.

OtherOther

Outdated check75 ms14 / 22
Measured Size

Bra sizes from measurements, in each brand's own labels, with the confidence behind each.

OtherOther

Responded76 ms14 / 22
Lons Publishing ISBN

Official ISBN-13 under your own imprint, delivered by e-mail within 6 h in 18 languages.

OtherOther

Responded77 ms14 / 22
Stoic Sage

Semantic search and citation of Stoic texts: Marcus Aurelius, Seneca and Epictetus.

OtherKnowledge & memory

Responded77 ms14 / 22
Screenbird

Manage Screenbird digital signage screens: see what is live, show content, create designs.

OtherOther

Responded78 ms14 / 22
SvGrid

Checks AI-written SvGrid code against the real API, plus version-pinned Svelte 5 grid docs.

OtherOther

Outdated check78 ms14 / 22

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