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
FotoRent rental tools

Camera rental in Diemen near Amsterdam: catalog, kit recommendations, compatibility and estimates.

OtherOther

Outdated check181 ms13 / 22
Coronet Arcade

Play 13 free daily logic and word puzzles, or get spoiler-free rules. No signup required.

OtherOther

Outdated check182 ms13 / 22
FairSqft Dubai Property Facts

Dubai home prices, rents, comparables and forecasts from Dubai Land Department open data.

OtherOther

Outdated check184 ms13 / 22
EV charging prices in Lithuania

Live public EV charging prices, stations, networks and costs in Lithuania (open data, CC BY 4.0).

OtherOther

Outdated check185 ms13 / 22
YallaDeals: UAE price comparison

UAE prices across Amazon.ae and noon: best price now, 90-day history, whether today's price is good.

OtherOther

Outdated check185 ms13 / 22
Evolize

Accessibility scans with evidence, public reports, and fresh checks after fixes.

OtherOther

Outdated check185 ms13 / 22
Doppelreim Rhymes

Multisyllabic, vowel and classic rhymes plus rhyming lines in 56 languages for lyrics and poems.

OtherOther

Outdated check185 ms13 / 22
cmbs.loan: CMBS loan rates, lenders and servicing

CMBS rates, lenders, underwriting, maturity wall and loan sizing from SEC data; servicing rules.

OtherOther

Outdated check186 ms13 / 22
brief bar_

Free bar for digital product briefs: your model judges, open rules and code score it.

OtherOther

Responded187 ms13 / 22
vareen.net (Vaia)

Answers about vareen.net from its website: products, technical data, comparisons, sales contact.

OtherOther

Outdated check187 ms13 / 22
Elfy.Life

Articles, recettes, événements, calculateurs HOMA/QUICKI — santé métabolique, alimentation cétogène

OtherOther

Outdated check187 ms13 / 22
Vegas Mobile Mech — book mobile mechanic in Las Vegas

Book mobile mechanic in Las Vegas, NV: prices, service area by ZIP, free callback from a local pro.

OtherOther

Outdated check187 ms13 / 22
Shipping Rates & Postage Calculator

Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.

OtherOther

Outdated check187 ms13 / 22
Sienna, Knobs.co hardware advisor

Knobs.co cabinet-hardware advisor: sizing, fits, finishes, prices, plans, cart and sample links.

OtherOther

Outdated check187 ms13 / 22
br.com.scrypta/guapissimas

Catálogo de 328 produtos em 26 categorias — servido via Scrypta.

OtherOther

Outdated check187 ms13 / 22
com.brainonbnb/health-factor

Venus health factor of any BNB Chain account, free; liquidation stress paid, free holding 1M $BOBAI.

OtherOther

Outdated check188 ms13 / 22
Cambridge China Bridge — China sourcing

UK import duty, landed cost, anti-dumping and compliance checks for China-sourced goods.

OtherOther

Outdated check188 ms13 / 22
SimoShop

Catalogul SimoShop: bijuterii si componente din argint 925, cautare si top produse, preturi in lei.

OtherOther

Outdated check188 ms13 / 22
STR Host Tools

Free STR host tools: fee repricers, price matcher, claim deadlines, chore checker, host prompts.

OtherOther

Outdated check188 ms13 / 22
Guía Extranjeros

Dated guides for foreigners in Spain: NIE, TIE, arraigo, residence, health, taxes. ES/EN/UK.

OtherOther

Outdated check189 ms13 / 22
Tulsa Foam Pros — book spray foam insulation in Tulsa

Book spray foam insulation in Tulsa, OK: prices, ZIP coverage, free callback.

OtherOther

Outdated check189 ms13 / 22
firenum retirement planner

When can you retire? A FIRE plan from your numbers, graded by Monte Carlo and every year since 1872.

OtherOther

Outdated check190 ms13 / 22
Remember Me – Bible Verse Collections

Browse Bible verse collections to memorize, in 48 languages. Public and read-only, no sign-in.

OtherOther

Outdated check190 ms13 / 22
PoemShip

Poems for a mood, a situation or an occasion, with poets, analyses and plans to learn by heart.

OtherOther

Outdated check191 ms13 / 22

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